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* fix(discover): honor .git/info/exclude during file discovery index_repository only loaded .gitignore when building the exclusion matcher. .git/info/exclude — the per-clone exclude file that Git treats as authoritative — was never read, so paths excluded only there were walked in full. On repos with Sandcastle worktrees this caused the indexer to traverse 661K files / 170 GB and OOM (issue #489). Add cbm_gitignore_merge() to append patterns from one matcher into another. In cbm_discover_ex, after loading .gitignore, also load .git/info/exclude and merge its patterns in. If only the exclude file exists, use it directly. No downstream call paths change. Add three unit tests for cbm_gitignore_merge and two integration tests that reproduce the issue scenario (exclude-only and exclude-stacked- with-gitignore). Signed-off-by: ShauryaaSharma <shauryasofficial27@gmail.com> * style(discover): fix clang-format alignment in cbm_gitignore_merge Signed-off-by: ShauryaaSharma <shauryasofficial27@gmail.com> --------- Signed-off-by: ShauryaaSharma <shauryasofficial27@gmail.com>
257 lines
8.6 KiB
C
257 lines
8.6 KiB
C
/*
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* test_gitignore.c — Tests for gitignore-style pattern matching.
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*
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* RED phase: These tests define the expected pattern matching behavior.
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*/
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#include "../src/foundation/compat.h"
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#include "test_framework.h"
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#include "discover/discover.h"
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/* ── Basic pattern matching ────────────────────────────────────── */
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TEST(gi_empty_pattern) {
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cbm_gitignore_t *gi = cbm_gitignore_parse("");
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ASSERT_NOT_NULL(gi);
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ASSERT_FALSE(cbm_gitignore_matches(gi, "foo.txt", false));
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cbm_gitignore_free(gi);
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PASS();
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}
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TEST(gi_exact_file) {
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cbm_gitignore_t *gi = cbm_gitignore_parse("secret.key\n");
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ASSERT_NOT_NULL(gi);
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ASSERT_TRUE(cbm_gitignore_matches(gi, "secret.key", false));
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ASSERT_FALSE(cbm_gitignore_matches(gi, "other.key", false));
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cbm_gitignore_free(gi);
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PASS();
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}
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TEST(gi_wildcard_star) {
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cbm_gitignore_t *gi = cbm_gitignore_parse("*.log\n");
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ASSERT_NOT_NULL(gi);
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ASSERT_TRUE(cbm_gitignore_matches(gi, "error.log", false));
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ASSERT_TRUE(cbm_gitignore_matches(gi, "access.log", false));
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ASSERT_FALSE(cbm_gitignore_matches(gi, "error.txt", false));
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/* Non-rooted pattern matches basename at any depth */
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ASSERT_TRUE(cbm_gitignore_matches(gi, "logs/error.log", false));
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cbm_gitignore_free(gi);
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PASS();
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}
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TEST(gi_double_star_prefix) {
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/* ** matches any number of directories */
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cbm_gitignore_t *gi = cbm_gitignore_parse("**/build\n");
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ASSERT_NOT_NULL(gi);
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ASSERT_TRUE(cbm_gitignore_matches(gi, "build", true));
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ASSERT_TRUE(cbm_gitignore_matches(gi, "src/build", true));
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ASSERT_TRUE(cbm_gitignore_matches(gi, "a/b/c/build", true));
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cbm_gitignore_free(gi);
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PASS();
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}
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TEST(gi_double_star_suffix) {
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cbm_gitignore_t *gi = cbm_gitignore_parse("logs/**\n");
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ASSERT_NOT_NULL(gi);
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ASSERT_TRUE(cbm_gitignore_matches(gi, "logs/debug.log", false));
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ASSERT_TRUE(cbm_gitignore_matches(gi, "logs/sub/trace.log", false));
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ASSERT_FALSE(cbm_gitignore_matches(gi, "src/logs", false));
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cbm_gitignore_free(gi);
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PASS();
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}
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TEST(gi_double_star_middle) {
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cbm_gitignore_t *gi = cbm_gitignore_parse("a/**/b\n");
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ASSERT_NOT_NULL(gi);
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ASSERT_TRUE(cbm_gitignore_matches(gi, "a/b", false));
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ASSERT_TRUE(cbm_gitignore_matches(gi, "a/x/b", false));
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ASSERT_TRUE(cbm_gitignore_matches(gi, "a/x/y/z/b", false));
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ASSERT_FALSE(cbm_gitignore_matches(gi, "c/a/b", false));
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cbm_gitignore_free(gi);
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PASS();
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}
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TEST(gi_directory_only) {
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/* Trailing slash means match directories only */
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cbm_gitignore_t *gi = cbm_gitignore_parse("build/\n");
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ASSERT_NOT_NULL(gi);
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ASSERT_TRUE(cbm_gitignore_matches(gi, "build", true));
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ASSERT_FALSE(cbm_gitignore_matches(gi, "build", false)); /* not a directory */
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/* Should match anywhere in tree */
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ASSERT_TRUE(cbm_gitignore_matches(gi, "src/build", true));
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cbm_gitignore_free(gi);
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PASS();
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}
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TEST(gi_negation) {
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/* ! prefix negates a pattern */
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cbm_gitignore_t *gi = cbm_gitignore_parse("*.log\n!important.log\n");
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ASSERT_NOT_NULL(gi);
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ASSERT_TRUE(cbm_gitignore_matches(gi, "error.log", false));
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ASSERT_FALSE(cbm_gitignore_matches(gi, "important.log", false));
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cbm_gitignore_free(gi);
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PASS();
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}
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TEST(gi_comment_and_blank) {
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cbm_gitignore_t *gi = cbm_gitignore_parse("# This is a comment\n\n*.tmp\n");
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ASSERT_NOT_NULL(gi);
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ASSERT_TRUE(cbm_gitignore_matches(gi, "data.tmp", false));
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ASSERT_FALSE(cbm_gitignore_matches(gi, "data.txt", false));
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cbm_gitignore_free(gi);
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PASS();
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}
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TEST(gi_rooted_pattern) {
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/* Pattern with slash is anchored to the root */
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cbm_gitignore_t *gi = cbm_gitignore_parse("/build\n");
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ASSERT_NOT_NULL(gi);
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ASSERT_TRUE(cbm_gitignore_matches(gi, "build", true));
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ASSERT_FALSE(cbm_gitignore_matches(gi, "src/build", true));
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cbm_gitignore_free(gi);
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PASS();
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}
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TEST(gi_path_with_slash) {
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/* Pattern containing / (not just leading) is rooted */
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cbm_gitignore_t *gi = cbm_gitignore_parse("doc/frotz\n");
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ASSERT_NOT_NULL(gi);
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ASSERT_TRUE(cbm_gitignore_matches(gi, "doc/frotz", false));
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ASSERT_FALSE(cbm_gitignore_matches(gi, "src/doc/frotz", false));
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cbm_gitignore_free(gi);
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PASS();
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}
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TEST(gi_question_mark) {
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cbm_gitignore_t *gi = cbm_gitignore_parse("file?.txt\n");
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ASSERT_NOT_NULL(gi);
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ASSERT_TRUE(cbm_gitignore_matches(gi, "file1.txt", false));
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ASSERT_TRUE(cbm_gitignore_matches(gi, "fileA.txt", false));
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ASSERT_FALSE(cbm_gitignore_matches(gi, "file12.txt", false));
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cbm_gitignore_free(gi);
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PASS();
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}
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TEST(gi_bracket_range) {
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cbm_gitignore_t *gi = cbm_gitignore_parse("file[0-9].txt\n");
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ASSERT_NOT_NULL(gi);
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ASSERT_TRUE(cbm_gitignore_matches(gi, "file3.txt", false));
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ASSERT_FALSE(cbm_gitignore_matches(gi, "fileA.txt", false));
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cbm_gitignore_free(gi);
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PASS();
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}
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TEST(gi_multiple_patterns) {
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cbm_gitignore_t *gi = cbm_gitignore_parse("*.pyc\n"
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"__pycache__/\n"
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".env\n"
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"*.log\n");
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ASSERT_NOT_NULL(gi);
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ASSERT_TRUE(cbm_gitignore_matches(gi, "module.pyc", false));
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ASSERT_TRUE(cbm_gitignore_matches(gi, "__pycache__", true));
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ASSERT_TRUE(cbm_gitignore_matches(gi, ".env", false));
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ASSERT_TRUE(cbm_gitignore_matches(gi, "app.log", false));
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ASSERT_FALSE(cbm_gitignore_matches(gi, "main.py", false));
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cbm_gitignore_free(gi);
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PASS();
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}
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TEST(gi_null_safe_free) {
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cbm_gitignore_free(NULL); /* should not crash */
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PASS();
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}
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/* ── Load from file ────────────────────────────────────────────── */
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TEST(gi_load_file) {
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char path[256]; snprintf(path, sizeof(path), "%s/test_gitignore_file", cbm_tmpdir());
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FILE *f = fopen(path, "w");
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ASSERT_NOT_NULL(f);
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fprintf(f, "*.o\nbuild/\n");
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fclose(f);
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cbm_gitignore_t *gi = cbm_gitignore_load(path);
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ASSERT_NOT_NULL(gi);
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ASSERT_TRUE(cbm_gitignore_matches(gi, "main.o", false));
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ASSERT_TRUE(cbm_gitignore_matches(gi, "build", true));
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cbm_gitignore_free(gi);
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remove(path);
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PASS();
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}
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TEST(gi_load_nonexistent) {
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char np[256];
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snprintf(np, sizeof(np), "%s/nonexistent_gitignore_12345", cbm_tmpdir());
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cbm_gitignore_t *gi = cbm_gitignore_load(np);
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ASSERT_NULL(gi);
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PASS();
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}
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/* ── Merge ─────────────────────────────────────────────────────── */
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TEST(gi_merge_patterns) {
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cbm_gitignore_t *base_gi = cbm_gitignore_parse("*.log\n");
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cbm_gitignore_t *extra = cbm_gitignore_parse("tmp/\nbuild/\n");
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ASSERT_NOT_NULL(base_gi);
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ASSERT_NOT_NULL(extra);
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cbm_gitignore_merge(base_gi, extra);
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cbm_gitignore_free(extra);
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ASSERT_TRUE(cbm_gitignore_matches(base_gi, "error.log", false));
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ASSERT_TRUE(cbm_gitignore_matches(base_gi, "tmp", true));
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ASSERT_TRUE(cbm_gitignore_matches(base_gi, "build", true));
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ASSERT_FALSE(cbm_gitignore_matches(base_gi, "main.go", false));
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cbm_gitignore_free(base_gi);
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PASS();
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}
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TEST(gi_merge_into_empty) {
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cbm_gitignore_t *dst = cbm_gitignore_parse("");
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cbm_gitignore_t *src = cbm_gitignore_parse("*.o\n");
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ASSERT_NOT_NULL(dst);
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ASSERT_NOT_NULL(src);
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cbm_gitignore_merge(dst, src);
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cbm_gitignore_free(src);
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ASSERT_TRUE(cbm_gitignore_matches(dst, "main.o", false));
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ASSERT_FALSE(cbm_gitignore_matches(dst, "main.c", false));
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cbm_gitignore_free(dst);
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PASS();
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}
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TEST(gi_merge_null_safe) {
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cbm_gitignore_t *gi = cbm_gitignore_parse("*.log\n");
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cbm_gitignore_merge(gi, NULL); /* should not crash */
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cbm_gitignore_merge(NULL, gi); /* should not crash */
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cbm_gitignore_free(gi);
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PASS();
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}
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/* ── Suite ─────────────────────────────────────────────────────── */
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SUITE(gitignore) {
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RUN_TEST(gi_empty_pattern);
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RUN_TEST(gi_exact_file);
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RUN_TEST(gi_wildcard_star);
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RUN_TEST(gi_double_star_prefix);
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RUN_TEST(gi_double_star_suffix);
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RUN_TEST(gi_double_star_middle);
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RUN_TEST(gi_directory_only);
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RUN_TEST(gi_negation);
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RUN_TEST(gi_comment_and_blank);
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RUN_TEST(gi_rooted_pattern);
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RUN_TEST(gi_path_with_slash);
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RUN_TEST(gi_question_mark);
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RUN_TEST(gi_bracket_range);
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RUN_TEST(gi_multiple_patterns);
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RUN_TEST(gi_null_safe_free);
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RUN_TEST(gi_load_file);
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RUN_TEST(gi_load_nonexistent);
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RUN_TEST(gi_merge_patterns);
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RUN_TEST(gi_merge_into_empty);
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RUN_TEST(gi_merge_null_safe);
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}
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