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codebase-memory-mcp/tests/test_input_validation.c
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Andrew Hundt 608b51374e fix: apply autoindex limits consistently 
Use the bounded discover count for startup, first-use, and explicit path autoindexing so CBM_AUTO_INDEX_LIMIT cannot be bypassed by a later MCP handler path.

Move sync first-use indexing into resolve_project_store via a shared MCP-local helper, leaving REQUIRE_STORE responsible for joining an in-flight startup index and reporting missing stores. This avoids duplicate indexing attempts and duplicate over-limit warnings while preserving structured stderr logging.

Add an input-validation regression for over-limit explicit path projects and clarify the config help text to say the limit counts indexable files.

Verified: build/c/test-runner; build/c/codebase-memory-mcp; CBM_ONLY_SUITE=input_validation (44), mcp (113), discover (83), cli (104).
Signed-off-by: Andrew Hundt <ATHundt@gmail.com>
2026-06-28 17:09:51 -04:00

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/*
* test_input_validation.c — Tests for parameter validation from fuzz testing.
* Covers: F1 (empty label), F6 (invalid sort_by), F7 (invalid mode),
* F9 (invalid regex), F10 (negative depth), F15 (invalid direction).
*
* Each test creates a minimal MCP server, calls a tool handler with invalid
* input, and asserts the error response contains helpful guidance.
*/
#include "../src/foundation/compat.h"
#include "test_framework.h"
#include <mcp/mcp.h>
#include <store/store.h>
#include <cli/cli.h>
#include <yyjson/yyjson.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
/* ── Helper: extract inner text content from MCP tool result ── */
static char *extract_text(const char *mcp_result) {
if (!mcp_result) return NULL;
/* Parse MCP JSON wrapper: {"content":[{"type":"text","text":"..."}]} */
yyjson_doc *doc = yyjson_read(mcp_result, strlen(mcp_result), 0);
if (!doc) return strdup(mcp_result);
yyjson_val *root = yyjson_doc_get_root(doc);
yyjson_val *content = yyjson_obj_get(root, "content");
if (!content || !yyjson_is_arr(content)) {
yyjson_doc_free(doc);
return strdup(mcp_result);
}
yyjson_val *item = yyjson_arr_get(content, 0);
yyjson_val *text = item ? yyjson_obj_get(item, "text") : NULL;
const char *str = text ? yyjson_get_str(text) : NULL;
char *result = str ? strdup(str) : strdup(mcp_result);
yyjson_doc_free(doc);
return result;
}
/* ── Helper: create minimal server with pre-populated data ── */
static cbm_mcp_server_t *setup_validation_server(char *tmp, size_t tmp_sz) {
snprintf(tmp, tmp_sz, "/tmp/cbm-test-validation-XXXXXX");
if (!cbm_mkdtemp(tmp)) return NULL;
cbm_mcp_server_t *srv = cbm_mcp_server_new(NULL);
if (!srv) return NULL;
cbm_store_t *st = cbm_mcp_server_store(srv);
if (!st) { cbm_mcp_server_free(srv); return NULL; }
const char *proj = "validation-test";
cbm_mcp_server_set_project(srv, proj);
cbm_store_upsert_project(st, proj, tmp);
/* Insert test nodes: 2 functions + 1 call edge */
cbm_node_t foo = {.project = proj, .label = "Function", .name = "foo",
.qualified_name = "validation-test.test.foo",
.file_path = "test.c", .start_line = 1, .end_line = 1};
cbm_node_t bar = {.project = proj, .label = "Function", .name = "bar",
.qualified_name = "validation-test.test.bar",
.file_path = "test.c", .start_line = 2, .end_line = 2};
cbm_store_upsert_node(st, &foo);
cbm_store_upsert_node(st, &bar);
cbm_edge_t e = {.project = proj, .source_id = 2, .target_id = 1, .type = "CALLS"};
cbm_store_insert_edge(st, &e);
return srv;
}
static void cleanup_validation_dir(const char *dir) {
char cmd[512];
snprintf(cmd, sizeof(cmd), "rm -rf '%s'", dir);
(void)system(cmd); // NOLINT
}
/* ══════════════════════════════════════════════════════════════════
* F1: Empty label treated as no filter (not silently returning 0)
* ══════════════════════════════════════════════════════════════════ */
TEST(f1_empty_label_returns_results) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
char *raw = cbm_mcp_handle_tool(srv, "search_graph",
"{\"label\":\"\",\"limit\":5}");
char *resp = extract_text(raw);
free(raw);
ASSERT_NOT_NULL(resp);
/* Empty label should be treated as "no label filter" → returns all nodes */
/* Should NOT return error, and total should be > 0 if project has data */
ASSERT_NULL(strstr(resp, "\"error\""));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* F6: Invalid sort_by returns error with valid values
* ══════════════════════════════════════════════════════════════════ */
TEST(f6_invalid_sort_by_errors) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
char *raw = cbm_mcp_handle_tool(srv, "search_graph",
"{\"sort_by\":\"invalid_value\",\"limit\":3}");
char *resp = extract_text(raw);
free(raw);
ASSERT_NOT_NULL(resp);
/* Must return error mentioning sort_by */
ASSERT_NOT_NULL(strstr(resp, "error"));
ASSERT_NOT_NULL(strstr(resp, "sort_by"));
/* Must list valid values */
ASSERT_NOT_NULL(strstr(resp, "relevance"));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* Edge case: sort_by with typo "degre" (missing 'e') */
TEST(f6_sort_by_typo_errors) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
char *raw = cbm_mcp_handle_tool(srv, "search_graph",
"{\"sort_by\":\"degre\",\"limit\":3}");
char *resp = extract_text(raw);
free(raw);
ASSERT_NOT_NULL(resp);
ASSERT_NOT_NULL(strstr(resp, "error"));
ASSERT_NOT_NULL(strstr(resp, "degree")); /* suggest correct value */
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* F9: Invalid regex in name_pattern returns error
* ══════════════════════════════════════════════════════════════════ */
TEST(f9_invalid_regex_errors) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
char *raw = cbm_mcp_handle_tool(srv, "search_graph",
"{\"name_pattern\":\"(\",\"limit\":3}");
char *resp = extract_text(raw);
free(raw);
ASSERT_NOT_NULL(resp);
/* Must return error mentioning regex/pattern */
ASSERT_NOT_NULL(strstr(resp, "error"));
ASSERT_TRUE(strstr(resp, "regex") || strstr(resp, "pattern"));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* Edge case: valid regex should NOT error */
TEST(f9_valid_regex_succeeds) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
char *raw = cbm_mcp_handle_tool(srv, "search_graph",
"{\"name_pattern\":\"foo.*bar\",\"limit\":3}");
char *resp = extract_text(raw);
free(raw);
ASSERT_NOT_NULL(resp);
/* Valid regex should NOT produce error */
ASSERT_NULL(strstr(resp, "\"error\":\"invalid regex"));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* F6: sort_by 'calls' and 'linkrank' must be accepted (Bug 1)
* ══════════════════════════════════════════════════════════════════ */
TEST(f6_sort_by_calls_accepted) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
char *raw = cbm_mcp_handle_tool(srv, "search_graph",
"{\"sort_by\":\"calls\",\"limit\":3}");
char *resp = extract_text(raw);
free(raw);
ASSERT_NOT_NULL(resp);
ASSERT_NULL(strstr(resp, "invalid sort_by"));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
TEST(f6_sort_by_linkrank_accepted) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
char *raw = cbm_mcp_handle_tool(srv, "search_graph",
"{\"sort_by\":\"linkrank\",\"limit\":3}");
char *resp = extract_text(raw);
free(raw);
ASSERT_NOT_NULL(resp);
ASSERT_NULL(strstr(resp, "invalid sort_by"));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* F9: Glob wildcard patterns auto-converted to regex (Bug 2)
* ══════════════════════════════════════════════════════════════════ */
TEST(f9_glob_star_autoconverted) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
char *raw = cbm_mcp_handle_tool(srv, "search_graph",
"{\"name_pattern\":\"*tool*\",\"limit\":3}");
char *resp = extract_text(raw);
free(raw);
ASSERT_NOT_NULL(resp);
ASSERT_NULL(strstr(resp, "invalid regex"));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
TEST(f9_glob_question_autoconverted) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
char *raw = cbm_mcp_handle_tool(srv, "search_graph",
"{\"name_pattern\":\"*foo?\",\"limit\":3}");
char *resp = extract_text(raw);
free(raw);
ASSERT_NOT_NULL(resp);
ASSERT_NULL(strstr(resp, "invalid regex"));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
TEST(f9_valid_regex_still_works) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
char *raw = cbm_mcp_handle_tool(srv, "search_graph",
"{\"name_pattern\":\".*tool.*\",\"limit\":3}");
char *resp = extract_text(raw);
free(raw);
ASSERT_NOT_NULL(resp);
ASSERT_NULL(strstr(resp, "error"));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
TEST(f9_truly_invalid_pattern_still_errors) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
char *raw = cbm_mcp_handle_tool(srv, "search_graph",
"{\"name_pattern\":\"(\",\"limit\":3}");
char *resp = extract_text(raw);
free(raw);
ASSERT_NOT_NULL(resp);
ASSERT_NOT_NULL(strstr(resp, "error"));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
TEST(f9_qn_pattern_glob_autoconverted) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
char *raw = cbm_mcp_handle_tool(srv, "search_graph",
"{\"qn_pattern\":\"*Handler*\",\"limit\":3}");
char *resp = extract_text(raw);
free(raw);
ASSERT_NOT_NULL(resp);
ASSERT_NULL(strstr(resp, "invalid regex"));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* F10: Negative depth clamped to 1
* ══════════════════════════════════════════════════════════════════ */
TEST(f10_negative_depth_returns_results) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
char *raw = cbm_mcp_handle_tool(srv, "trace_path",
"{\"function_name\":\"foo\",\"depth\":-1}");
char *resp = extract_text(raw);
free(raw);
ASSERT_NOT_NULL(resp);
/* Should NOT return empty — depth clamped to 1, function "foo" exists */
/* At minimum should have function name in response */
ASSERT_NOT_NULL(strstr(resp, "foo"));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* Bug 3: trace_path fuzzy fallback on case mismatch
* ══════════════════════════════════════════════════════════════════ */
TEST(trace_case_mismatch_finds_via_fallback) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
/* "Foo" does not exist — only "foo" does. Fallback search should find it.
* No project passed: resolve_store returns in-memory store, fallback search
* has no project filter, finds "foo", re-queries with result's project. */
char *raw = cbm_mcp_handle_tool(srv, "trace_path",
"{\"function_name\":\"Foo\"}");
char *resp = extract_text(raw);
free(raw);
ASSERT_NOT_NULL(resp);
/* Must NOT contain "function not found" — fallback should resolve */
ASSERT_NULL(strstr(resp, "function not found"));
/* Response should contain "function" key (BFS result) and direction */
ASSERT_NOT_NULL(strstr(resp, "\"function\""));
ASSERT_NOT_NULL(strstr(resp, "\"direction\""));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
TEST(trace_exact_match_still_works) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
/* Exact name "foo" should work directly without fallback.
* No project: resolve_store returns in-memory store, find_nodes_by_name
* uses project=NULL which binds NULL (won't match). Falls to fallback
* which finds "foo" via search (no project filter). */
char *raw = cbm_mcp_handle_tool(srv, "trace_path",
"{\"function_name\":\"foo\"}");
char *resp = extract_text(raw);
free(raw);
ASSERT_NOT_NULL(resp);
ASSERT_NULL(strstr(resp, "function not found"));
ASSERT_NOT_NULL(strstr(resp, "foo"));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
TEST(trace_truly_missing_still_errors) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
/* "nonexistent_xyz" doesn't match anything — should still error */
char *raw = cbm_mcp_handle_tool(srv, "trace_path",
"{\"function_name\":\"nonexistent_xyz\"}");
char *resp = extract_text(raw);
free(raw);
ASSERT_NOT_NULL(resp);
ASSERT_NOT_NULL(strstr(resp, "function not found"));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* F15: Invalid direction returns error with valid values
* ══════════════════════════════════════════════════════════════════ */
TEST(f15_invalid_direction_errors) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
char *raw = cbm_mcp_handle_tool(srv, "trace_path",
"{\"function_name\":\"foo\",\"direction\":\"invalid\"}");
char *resp = extract_text(raw);
free(raw);
ASSERT_NOT_NULL(resp);
/* Must return error mentioning direction */
ASSERT_NOT_NULL(strstr(resp, "error"));
ASSERT_NOT_NULL(strstr(resp, "direction"));
/* Must list valid values */
ASSERT_NOT_NULL(strstr(resp, "inbound"));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* Edge case: valid direction "outbound" should NOT error */
TEST(f15_valid_direction_succeeds) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
char *raw = cbm_mcp_handle_tool(srv, "trace_path",
"{\"function_name\":\"foo\",\"direction\":\"outbound\"}");
char *resp = extract_text(raw);
free(raw);
ASSERT_NOT_NULL(resp);
/* Valid direction should NOT produce error about direction */
ASSERT_NULL(strstr(resp, "invalid direction"));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
TEST(trace_invalid_mode_errors) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
char *raw = cbm_mcp_handle_tool(srv, "trace_path",
"{\"function_name\":\"foo\",\"mode\":\"typo\"}");
char *resp = extract_text(raw);
free(raw);
ASSERT_NOT_NULL(resp);
ASSERT_NOT_NULL(strstr(resp, "error"));
ASSERT_NOT_NULL(strstr(resp, "mode"));
ASSERT_NOT_NULL(strstr(resp, "calls"));
ASSERT_NOT_NULL(strstr(resp, "data_flow"));
ASSERT_NOT_NULL(strstr(resp, "cross_service"));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* G1: Summary mode includes results_suppressed indicator
* ══════════════════════════════════════════════════════════════════ */
TEST(g1_summary_mode_has_results_key) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
/* Pass project explicitly to ensure store is found */
char *raw = cbm_mcp_handle_tool(srv, "search_graph",
"{\"mode\":\"summary\",\"limit\":100}");
char *resp = extract_text(raw);
free(raw);
ASSERT_NOT_NULL(resp);
/* G1: summary mode must include "results" key and results_suppressed */
ASSERT_NOT_NULL(strstr(resp, "\"total\""));
ASSERT_NOT_NULL(strstr(resp, "\"results\""));
ASSERT_NOT_NULL(strstr(resp, "results_suppressed"));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* CQ-3: Cypher + filter params produces warning
* ══════════════════════════════════════════════════════════════════ */
TEST(cq3_cypher_with_label_warns) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
char *raw = cbm_mcp_handle_tool(srv, "query_graph",
"{\"cypher\":\"MATCH (n:Function) RETURN n.name LIMIT 5\","
"\"label\":\"Class\"}");
char *resp = extract_text(raw);
free(raw);
ASSERT_NOT_NULL(resp);
/* CQ-3: Should warn that label is ignored in Cypher mode */
ASSERT_NOT_NULL(strstr(resp, "warning"));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* IX-2: Status shows "indexing" during active index
* ══════════════════════════════════════════════════════════════════ */
TEST(ix2_status_resource_format) {
/* IX-2: Verify status resource has expected fields when server has no data.
* Can't set autoindex_failed on opaque struct, but we can verify the
* not_indexed status path returns action_required field. */
cbm_mcp_server_t *srv = cbm_mcp_server_new(NULL);
ASSERT_NOT_NULL(srv);
/* Server with no indexed data should report not_indexed with action hint */
char *raw = cbm_mcp_handle_tool(srv, "index_status", "{}");
/* index_status without a project returns an error — that's expected */
ASSERT_NOT_NULL(raw);
free(raw);
cbm_mcp_server_free(srv);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* Pattern OR-search: unified name+qn search (Change 1c)
* ══════════════════════════════════════════════════════════════════ */
TEST(pattern_or_search_graph) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
/* pattern="foo" should match node named "foo" (OR across name and qualified_name) */
char *raw = cbm_mcp_handle_tool(srv, "search_graph",
"{\"pattern\":\"foo\",\"limit\":5}");
char *resp = extract_text(raw); free(raw);
ASSERT_NOT_NULL(resp);
ASSERT_NULL(strstr(resp, "\"error\""));
ASSERT_NOT_NULL(strstr(resp, "\"results\"")); /* results array present */
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* Source search via search_in="source" dispatch
* ══════════════════════════════════════════════════════════════════ */
TEST(source_search_via_search_in_param) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
/* Write a file into the tmpdir so grep has something to search */
char src_path[320];
snprintf(src_path, sizeof(src_path), "%s/hello.c", tmp);
FILE *f = fopen(src_path, "w");
if (f) { fputs("/* cbm_unique_grep_token */\n", f); fclose(f); }
/* search_in="source" with explicit project slug dispatches to handle_search_code
* and finds the file we wrote above. */
char args[512];
snprintf(args, sizeof(args),
"{\"pattern\":\"cbm_unique_grep_token\","
"\"search_in\":\"source\","
"\"project\":\"validation-test\"}");
char *raw = cbm_mcp_handle_tool(srv, "search_code", args);
char *resp = extract_text(raw); free(raw);
ASSERT_NOT_NULL(resp);
/* Should return matches array, NOT "project not found" */
ASSERT_NULL(strstr(resp, "\"error\""));
ASSERT_NOT_NULL(strstr(resp, "\"matches\""));
ASSERT_NOT_NULL(strstr(resp, "cbm_unique_grep_token"));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* Source search: path-based project arg normalizes to slug
* (Bug: get_project_root didn't convert /path → slug, causing
* "project not found" even when the project was indexed)
* ══════════════════════════════════════════════════════════════════ */
TEST(source_search_path_project_normalizes_to_slug) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
/* Write a file with a known token */
char src_path[320];
snprintf(src_path, sizeof(src_path), "%s/hello.c", tmp);
FILE *f = fopen(src_path, "w");
if (f) { fputs("/* path_slug_normalize_token */\n", f); fclose(f); }
/* The project name "validation-test" was stored with root_path=tmp.
* Passing project=tmp (the root_path) should normalize via get_project_root.
* NOTE: this works when cbm_project_name_from_path(tmp) matches the stored
* project name. For arbitrary test slugs it won't — this test verifies the
* slug-based path works (project="validation-test" matches current_project). */
char args[512];
snprintf(args, sizeof(args),
"{\"pattern\":\"path_slug_normalize_token\","
"\"search_in\":\"source\","
"\"project\":\"validation-test\"}");
char *raw = cbm_mcp_handle_tool(srv, "search_code", args);
char *resp = extract_text(raw); free(raw);
ASSERT_NOT_NULL(resp);
ASSERT_NULL(strstr(resp, "\"error\""));
ASSERT_NOT_NULL(strstr(resp, "\"matches\""));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* Verify search_in="graph" (default) still does graph search
* ══════════════════════════════════════════════════════════════════ */
TEST(source_search_default_is_graph) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
/* No search_in → defaults to graph search → returns results array */
char *raw = cbm_mcp_handle_tool(srv, "search_graph",
"{\"pattern\":\"foo\",\"limit\":5}");
char *resp = extract_text(raw); free(raw);
ASSERT_NOT_NULL(resp);
ASSERT_NULL(strstr(resp, "\"error\""));
ASSERT_NOT_NULL(strstr(resp, "\"results\"")); /* graph search returns results array */
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* summary=true bool alias (Change 2c)
* ══════════════════════════════════════════════════════════════════ */
TEST(summary_bool_alias) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
char *raw = cbm_mcp_handle_tool(srv, "search_graph",
"{\"summary\":true}");
char *resp = extract_text(raw); free(raw);
ASSERT_NOT_NULL(resp);
ASSERT_NULL(strstr(resp, "\"error\""));
/* Summary mode: by_label and by_file_top20 present */
ASSERT_NOT_NULL(strstr(resp, "\"by_label\""));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* case_sensitive graph search (Change 2b)
* ══════════════════════════════════════════════════════════════════ */
TEST(case_sensitive_graph_search) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
/* case_sensitive=true: "FOO" should NOT match node named "foo" */
char *raw = cbm_mcp_handle_tool(srv, "search_graph",
"{\"name_pattern\":\"FOO\",\"case_sensitive\":true,\"limit\":5}");
char *resp = extract_text(raw); free(raw);
ASSERT_NOT_NULL(resp);
ASSERT_NULL(strstr(resp, "\"error\""));
/* Should return 0 results (no uppercase FOO in test store) */
ASSERT_NOT_NULL(strstr(resp, "\"total\":0"));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* Config: compact default false
* ══════════════════════════════════════════════════════════════════ */
TEST(config_compact_default_false) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
/* Set compact=false in config, then call without compact param */
cbm_config_t *cfg = cbm_config_open(tmp);
ASSERT_NOT_NULL(cfg);
cbm_config_set(cfg, "compact", "false");
cbm_mcp_server_set_config(srv, cfg);
char *raw = cbm_mcp_handle_tool(srv, "search_graph", "{\"limit\":3}");
char *resp = extract_text(raw); free(raw);
ASSERT_NOT_NULL(resp);
ASSERT_NULL(strstr(resp, "\"error\""));
free(resp);
cbm_mcp_server_free(srv);
cbm_config_close(cfg);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* Config: default_sort_by=calls
* ══════════════════════════════════════════════════════════════════ */
TEST(config_default_sort_by_calls) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
cbm_config_t *cfg = cbm_config_open(tmp);
ASSERT_NOT_NULL(cfg);
cbm_config_set(cfg, "default_sort_by", "calls");
cbm_mcp_server_set_config(srv, cfg);
char *raw = cbm_mcp_handle_tool(srv, "search_graph", "{\"limit\":3}");
char *resp = extract_text(raw); free(raw);
ASSERT_NOT_NULL(resp);
ASSERT_NULL(strstr(resp, "invalid sort_by")); /* valid sort, no error */
free(resp);
cbm_mcp_server_free(srv);
cbm_config_close(cfg);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* trace_path accepts qualified_name param (Change 3a)
* ══════════════════════════════════════════════════════════════════ */
TEST(trace_accepts_qualified_name_param) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
/* Passing full qualified_name should not error (even if BFS finds 0 callers on test store).
* Must NOT return "function not found" — QN lookup path fires first. */
char *raw = cbm_mcp_handle_tool(srv, "trace_path",
"{\"qualified_name\":\"validation-test.test.foo\",\"project\":\"validation-test\",\"direction\":\"outbound\"}");
char *resp = extract_text(raw); free(raw);
ASSERT_NOT_NULL(resp);
/* Should find "foo" node via QN and return trace output, not "function not found" */
ASSERT_NULL(strstr(resp, "\"error\""));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* pattern= glob wildcard auto-converts to regex (*foo* → .*foo.*)
* ══════════════════════════════════════════════════════════════════ */
TEST(pattern_glob_wildcards_auto_convert) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
/* "*foo*" is not valid regex but valid glob — should auto-convert and find "foo" node */
char *raw = cbm_mcp_handle_tool(srv, "search_graph",
"{\"pattern\":\"*foo*\",\"limit\":5}");
char *resp = extract_text(raw); free(raw);
ASSERT_NOT_NULL(resp);
ASSERT_NULL(strstr(resp, "\"error\""));
ASSERT_NOT_NULL(strstr(resp, "\"results\""));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* pattern= invalid regex that can't be salvaged returns error
* ══════════════════════════════════════════════════════════════════ */
TEST(pattern_invalid_regex_returns_error) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
/* "[invalid" is not valid regex and not a glob — should return error */
char *raw = cbm_mcp_handle_tool(srv, "search_graph",
"{\"pattern\":\"[invalid\",\"limit\":5}");
char *resp = extract_text(raw); free(raw);
ASSERT_NOT_NULL(resp);
ASSERT_NOT_NULL(strstr(resp, "\"error\""));
ASSERT_NOT_NULL(strstr(resp, "invalid regex"));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* trace: when both function_name AND qualified_name given, QN takes
* priority (QN-first lookup runs before name-based lookup)
* ══════════════════════════════════════════════════════════════════ */
TEST(trace_qn_takes_priority_over_function_name) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
/* Pass a valid QN and a non-existent function_name.
* QN lookup should find "foo" and succeed; function_name is ignored. */
char *raw = cbm_mcp_handle_tool(srv, "trace_path",
"{\"qualified_name\":\"validation-test.test.foo\","
"\"function_name\":\"does_not_exist_anywhere\","
"\"project\":\"validation-test\"}");
char *resp = extract_text(raw); free(raw);
ASSERT_NOT_NULL(resp);
/* QN lookup finds "foo" → no error, trace succeeds */
ASSERT_NULL(strstr(resp, "\"error\""));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* trace: qualified_name not found returns actionable error hint
* ══════════════════════════════════════════════════════════════════ */
TEST(trace_qn_not_found_returns_specific_hint) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
/* Pass a QN that doesn't exist — should get specific hint about using pattern= */
char *raw = cbm_mcp_handle_tool(srv, "trace_path",
"{\"qualified_name\":\"no-such.project.func\","
"\"project\":\"validation-test\"}");
char *resp = extract_text(raw); free(raw);
ASSERT_NOT_NULL(resp);
ASSERT_NOT_NULL(strstr(resp, "\"error\""));
/* Should mention qualified_name in error, not generic function_name hint */
ASSERT_NOT_NULL(strstr(resp, "qualified_name"));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* detect_changes: slug project doesn't return "project not found"
* (Tests that get_project_root handles slug args correctly after
* the path-normalization refactor.)
* ══════════════════════════════════════════════════════════════════ */
TEST(detect_changes_slug_project_finds_root) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
char *raw = cbm_mcp_handle_tool(srv, "detect_changes",
"{\"project\":\"validation-test\"}");
char *resp = extract_text(raw); free(raw);
ASSERT_NOT_NULL(resp);
/* Should find the project root (not "project not found" error) */
ASSERT_NULL(strstr(resp, "\"error\":\"project not found\""));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* manage_adr: slug project doesn't return "project not found"
* ══════════════════════════════════════════════════════════════════ */
TEST(manage_adr_slug_project_finds_root) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
char *raw = cbm_mcp_handle_tool(srv, "manage_adr",
"{\"project\":\"validation-test\",\"mode\":\"get\"}");
char *resp = extract_text(raw); free(raw);
ASSERT_NOT_NULL(resp);
/* Should find the project root — either returns ADR content or "not found" for the file,
* but NOT "project not found" (the store lookup error). */
ASSERT_NULL(strstr(resp, "\"error\":\"project not found\""));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* Tilde expansion: project="~/relpath" expands correctly
* (get_project_root uses expand_tilde before realpath)
* ══════════════════════════════════════════════════════════════════ */
TEST(source_search_tilde_project_expands) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
/* Build a project path relative to $HOME (e.g. ~/... pointing to tmp) */
const char *home = getenv("HOME");
if (!home || strncmp(tmp, home, strlen(home)) != 0) {
/* tmp is not under $HOME — skip this test on this machine */
cbm_mcp_server_free(srv); cleanup_validation_dir(tmp);
PASS();
}
/* Compute tilde path: replace $HOME prefix with ~ */
char tilde_path[320];
snprintf(tilde_path, sizeof(tilde_path), "~%s", tmp + strlen(home));
char src_path[320];
snprintf(src_path, sizeof(src_path), "%s/tilde.c", tmp);
FILE *f = fopen(src_path, "w");
if (f) { fputs("/* tilde_expand_token */\n", f); fclose(f); }
/* Pass project as tilde path — should expand to absolute and find root */
char args[512];
snprintf(args, sizeof(args),
"{\"pattern\":\"tilde_expand_token\","
"\"search_in\":\"source\","
"\"project\":\"%s\"}", tilde_path);
char *raw = cbm_mcp_handle_tool(srv, "search_code", args);
char *resp = extract_text(raw); free(raw);
ASSERT_NOT_NULL(resp);
ASSERT_NULL(strstr(resp, "\"error\""));
ASSERT_NOT_NULL(strstr(resp, "\"matches\""));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* project_is_path: path-format project arg routes through slug
* conversion in get_project_root (regression for path-based project)
* ══════════════════════════════════════════════════════════════════ */
TEST(source_search_no_project_falls_back_to_session) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
/* Simulate session_project being set (as detect_session would do after initialize) */
cbm_mcp_server_set_session_project(srv, "validation-test");
char src_path[320];
snprintf(src_path, sizeof(src_path), "%s/session.c", tmp);
FILE *f = fopen(src_path, "w");
if (f) { fputs("/* session_fallback_token */\n", f); fclose(f); }
/* No project= arg — get_project_root falls back to session_project */
char *raw = cbm_mcp_handle_tool(srv, "search_code",
"{\"pattern\":\"session_fallback_token\",\"search_in\":\"source\"}");
char *resp = extract_text(raw); free(raw);
ASSERT_NOT_NULL(resp);
ASSERT_NULL(strstr(resp, "\"error\""));
ASSERT_NOT_NULL(strstr(resp, "\"matches\""));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* Path-based auto-index: project= is a full directory path that is
* NOT under session_root (Bug #4 — .gitignore-excluded separate repo)
*
* When project= is an absolute path to an accessible directory that
* hasn't been indexed yet and differs from session_root, codebase-memory
* must auto-index that path directly (not session_root).
* ══════════════════════════════════════════════════════════════════ */
TEST(path_project_auto_indexes_separate_directory) {
/* Create two separate temp dirs:
* session_tmp = first project queried (establishes session_root via public API)
* target_tmp = second project queried (separate path, simulates .gitignore subdir)
*
* Workflow mirrors Bug #4: user queries upstream repo that lives in .gitignore
* of the main project, after the main project session is already active. */
char session_tmp[256];
snprintf(session_tmp, sizeof(session_tmp), "/tmp/cbm_path_ai_sess_XXXXXX");
ASSERT_NOT_NULL(cbm_mkdtemp(session_tmp));
char session_src[320];
snprintf(session_src, sizeof(session_src), "%s/main.c", session_tmp);
FILE *fp = fopen(session_src, "w");
if (fp) { fputs("void session_fn(void) {}\n", fp); fclose(fp); }
char target_tmp[256];
snprintf(target_tmp, sizeof(target_tmp), "/tmp/cbm_path_ai_tgt_XXXXXX");
ASSERT_NOT_NULL(cbm_mkdtemp(target_tmp));
char target_src[320];
snprintf(target_src, sizeof(target_src), "%s/upstream.c", target_tmp);
fp = fopen(target_src, "w");
if (fp) { fputs("void path_autoindex_sentinel(void) {}\n", fp); fclose(fp); }
cbm_mcp_server_t *srv = cbm_mcp_server_new(NULL);
ASSERT_NOT_NULL(srv);
const char *old_auto_index = getenv("CBM_AUTO_INDEX");
char *old_auto_index_copy = old_auto_index ? strdup(old_auto_index) : NULL;
if (old_auto_index) {
ASSERT_NOT_NULL(old_auto_index_copy);
}
cbm_setenv("CBM_AUTO_INDEX", "true", 1);
/* First query: session project path → establishes session_root internally */
char args1[512];
snprintf(args1, sizeof(args1),
"{\"project\":\"%s\",\"pattern\":\"session_fn\",\"search_in\":\"source\"}",
session_tmp);
char *raw1 = cbm_mcp_handle_tool(srv, "search_code", args1);
free(raw1); /* result not checked — just establishing session_root */
/* Second query: DIFFERENT path — resolve_project_store must auto-index it.
* Use graph search (not source grep) so resolve_project_store runs the
* path-based auto-index and the indexed nodes are searchable. */
char args2[512];
snprintf(args2, sizeof(args2),
"{\"project\":\"%s\",\"pattern\":\"path_autoindex_sentinel\"}", target_tmp);
char *raw2 = cbm_mcp_handle_tool(srv, "search_graph", args2);
char *resp = extract_text(raw2); free(raw2);
bool has_match = resp && strstr(resp, "path_autoindex_sentinel") != NULL;
free(resp);
cbm_mcp_server_free(srv);
if (old_auto_index_copy) {
cbm_setenv("CBM_AUTO_INDEX", old_auto_index_copy, 1);
free(old_auto_index_copy);
} else {
cbm_unsetenv("CBM_AUTO_INDEX");
}
unlink(target_src); rmdir(target_tmp);
unlink(session_src); rmdir(session_tmp);
ASSERT_TRUE(has_match);
PASS();
}
TEST(path_project_autoindex_respects_file_limit) {
char session_tmp[256];
snprintf(session_tmp, sizeof(session_tmp), "/tmp/cbm_path_limit_sess_XXXXXX");
ASSERT_NOT_NULL(cbm_mkdtemp(session_tmp));
char session_src[320];
snprintf(session_src, sizeof(session_src), "%s/main.c", session_tmp);
FILE *fp = fopen(session_src, "w");
if (fp) { fputs("void session_limit_fn(void) {}\n", fp); fclose(fp); }
char target_tmp[256];
snprintf(target_tmp, sizeof(target_tmp), "/tmp/cbm_path_limit_tgt_XXXXXX");
ASSERT_NOT_NULL(cbm_mkdtemp(target_tmp));
char target_src1[320];
char target_src2[320];
snprintf(target_src1, sizeof(target_src1), "%s/upstream.c", target_tmp);
snprintf(target_src2, sizeof(target_src2), "%s/extra.c", target_tmp);
fp = fopen(target_src1, "w");
if (fp) { fputs("void path_limit_sentinel(void) {}\n", fp); fclose(fp); }
fp = fopen(target_src2, "w");
if (fp) { fputs("void path_limit_extra(void) {}\n", fp); fclose(fp); }
cbm_mcp_server_t *srv = cbm_mcp_server_new(NULL);
ASSERT_NOT_NULL(srv);
const char *old_auto_index = getenv("CBM_AUTO_INDEX");
const char *old_limit = getenv("CBM_AUTO_INDEX_LIMIT");
char *old_auto_index_copy = old_auto_index ? strdup(old_auto_index) : NULL;
char *old_limit_copy = old_limit ? strdup(old_limit) : NULL;
if (old_auto_index) {
ASSERT_NOT_NULL(old_auto_index_copy);
}
if (old_limit) {
ASSERT_NOT_NULL(old_limit_copy);
}
cbm_setenv("CBM_AUTO_INDEX", "true", 1);
cbm_setenv("CBM_AUTO_INDEX_LIMIT", "1", 1);
char args1[512];
snprintf(args1, sizeof(args1),
"{\"project\":\"%s\",\"pattern\":\"session_limit_fn\",\"search_in\":\"source\"}",
session_tmp);
char *raw1 = cbm_mcp_handle_tool(srv, "search_code", args1);
free(raw1);
char args2[512];
snprintf(args2, sizeof(args2),
"{\"project\":\"%s\",\"pattern\":\"path_limit_sentinel\"}", target_tmp);
char *raw2 = cbm_mcp_handle_tool(srv, "search_graph", args2);
char *resp = extract_text(raw2);
free(raw2);
bool has_match = resp && strstr(resp, "path_limit_sentinel") != NULL;
free(resp);
cbm_mcp_server_free(srv);
if (old_auto_index_copy) {
cbm_setenv("CBM_AUTO_INDEX", old_auto_index_copy, 1);
free(old_auto_index_copy);
} else {
cbm_unsetenv("CBM_AUTO_INDEX");
}
if (old_limit_copy) {
cbm_setenv("CBM_AUTO_INDEX_LIMIT", old_limit_copy, 1);
free(old_limit_copy);
} else {
cbm_unsetenv("CBM_AUTO_INDEX_LIMIT");
}
unlink(target_src1);
unlink(target_src2);
rmdir(target_tmp);
unlink(session_src);
rmdir(session_tmp);
ASSERT_FALSE(has_match);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* Regression: classic tool names still work
* ══════════════════════════════════════════════════════════════════ */
TEST(regression_trace_path_tool_name_still_works) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
char *raw = cbm_mcp_handle_tool(srv, "trace_path",
"{\"function_name\":\"foo\"}");
char *resp = extract_text(raw); free(raw);
ASSERT_NOT_NULL(resp);
ASSERT_NULL(strstr(resp, "unknown tool")); /* must not reject classic name */
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* Config: context_injection=false disables _context header
*
* context_injection (default true) / CBM_CONTEXT_INJECTION controls
* whether inject_context_once embeds the _context header in the first
* tool response. Disabling saves tokens in scripted/programmatic use.
* ══════════════════════════════════════════════════════════════════ */
TEST(config_context_injection_disabled) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
cbm_config_t *cfg = cbm_config_open(tmp);
ASSERT_NOT_NULL(cfg);
cbm_config_set(cfg, "context_injection", "false");
cbm_mcp_server_set_config(srv, cfg);
/* With context_injection=false, _context must NOT appear in any call */
char *raw = cbm_mcp_handle_tool(srv, "search_graph", "{\"limit\":3}");
char *resp = extract_text(raw); free(raw);
ASSERT_NOT_NULL(resp);
ASSERT_NULL(strstr(resp, "\"_context\":"));
free(resp);
/* Second call also no _context */
raw = cbm_mcp_handle_tool(srv, "search_graph", "{\"limit\":3}");
resp = extract_text(raw); free(raw);
ASSERT_NOT_NULL(resp);
ASSERT_NULL(strstr(resp, "\"_context\":"));
free(resp);
cbm_mcp_server_free(srv);
cbm_config_close(cfg);
cleanup_validation_dir(tmp);
PASS();
}
TEST(config_context_injection_enabled_by_default) {
char tmp[256];
cbm_mcp_server_t *srv = setup_validation_server(tmp, sizeof(tmp));
ASSERT_NOT_NULL(srv);
/* No config set → default is true → _context present on first call */
char *raw = cbm_mcp_handle_tool(srv, "search_graph", "{\"limit\":3}");
char *resp = extract_text(raw); free(raw);
ASSERT_NOT_NULL(resp);
ASSERT_NOT_NULL(strstr(resp, "\"_context\":"));
free(resp);
/* Second call: _context deduped (context_injected=true) */
raw = cbm_mcp_handle_tool(srv, "search_graph", "{\"limit\":3}");
resp = extract_text(raw); free(raw);
ASSERT_NOT_NULL(resp);
ASSERT_NULL(strstr(resp, "\"_context\":"));
free(resp);
cbm_mcp_server_free(srv);
cleanup_validation_dir(tmp);
PASS();
}
/* ══════════════════════════════════════════════════════════════════
* Suite registration
* ══════════════════════════════════════════════════════════════════ */
void suite_input_validation(void) {
RUN_TEST(f1_empty_label_returns_results);
RUN_TEST(f6_invalid_sort_by_errors);
RUN_TEST(f6_sort_by_typo_errors);
RUN_TEST(f9_invalid_regex_errors);
RUN_TEST(f9_valid_regex_succeeds);
RUN_TEST(f6_sort_by_calls_accepted);
RUN_TEST(f6_sort_by_linkrank_accepted);
RUN_TEST(f9_glob_star_autoconverted);
RUN_TEST(f9_glob_question_autoconverted);
RUN_TEST(f9_valid_regex_still_works);
RUN_TEST(f9_truly_invalid_pattern_still_errors);
RUN_TEST(f9_qn_pattern_glob_autoconverted);
RUN_TEST(f10_negative_depth_returns_results);
RUN_TEST(trace_case_mismatch_finds_via_fallback);
RUN_TEST(trace_exact_match_still_works);
RUN_TEST(trace_truly_missing_still_errors);
RUN_TEST(f15_invalid_direction_errors);
RUN_TEST(f15_valid_direction_succeeds);
RUN_TEST(trace_invalid_mode_errors);
RUN_TEST(g1_summary_mode_has_results_key);
RUN_TEST(cq3_cypher_with_label_warns);
RUN_TEST(ix2_status_resource_format);
RUN_TEST(pattern_or_search_graph);
RUN_TEST(source_search_via_search_in_param);
RUN_TEST(source_search_path_project_normalizes_to_slug);
RUN_TEST(source_search_default_is_graph);
RUN_TEST(summary_bool_alias);
RUN_TEST(case_sensitive_graph_search);
RUN_TEST(config_compact_default_false);
RUN_TEST(config_default_sort_by_calls);
RUN_TEST(trace_accepts_qualified_name_param);
RUN_TEST(pattern_glob_wildcards_auto_convert);
RUN_TEST(pattern_invalid_regex_returns_error);
RUN_TEST(trace_qn_takes_priority_over_function_name);
RUN_TEST(trace_qn_not_found_returns_specific_hint);
RUN_TEST(detect_changes_slug_project_finds_root);
RUN_TEST(manage_adr_slug_project_finds_root);
RUN_TEST(source_search_tilde_project_expands);
RUN_TEST(source_search_no_project_falls_back_to_session);
RUN_TEST(path_project_auto_indexes_separate_directory);
RUN_TEST(path_project_autoindex_respects_file_limit);
RUN_TEST(regression_trace_path_tool_name_still_works);
RUN_TEST(config_context_injection_disabled);
RUN_TEST(config_context_injection_enabled_by_default);
}
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