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test: Added a test to ensure db updates don't break hardlinks.

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Spencer Brower
2026-07-13 13:53:49 -04:00
parent e0a339e8ec
commit d4c935ec07
2 changed files with 67 additions and 2 deletions
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db_test.odin
+67
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@@ -7,6 +7,7 @@ import "core:fmt"
import "core:os"
import "core:path/filepath"
import "core:strings"
import "core:sys/posix"
import "core:testing"
import "sqlite"
@@ -559,3 +560,69 @@ test_db_sync_moved :: proc(t: ^testing.T) {
}
}
@(test)
test_db_close_preserves_inodes :: proc(t: ^testing.T) {
base := test_temp_dir(t, "envr-test-inode-*")
defer os.remove_all(base)
envr_dir, _ := filepath.join([]string{base, ".envr"}, context.temp_allocator)
config_path, _ := filepath.join([]string{envr_dir, "config.json"}, context.temp_allocator)
os.mkdir_all(envr_dir)
key_abs, _ := filepath.abs("fixtures/keys/insecure-test-key", context.temp_allocator)
cfg := new_config([]string{key_abs}, config_path)
defer delete_config(&cfg)
testing.expect(t, save_config(cfg, force = true), "save_config should succeed")
// Create database
{
db, ok := db_open(config_path)
defer db_close(&db)
testing.expect(t, ok, "first db_open should succeed")
if !ok do return
env_path, _ := filepath.join([]string{base, ".env"}, context.temp_allocator)
f := make_test_env_file(env_path, "sha", "KEY=value")
db_insert(&db, f)
}
// Record inode of data.envr
data_file, _ := data_path(config_path, context.temp_allocator)
cdata := strings.clone_to_cstring(data_file)
defer delete(cdata)
sb1: posix.stat_t
testing.expect(t, posix.stat(cdata, &sb1) == .OK, "stat should succeed")
inode_before := sb1.st_ino
// Create hardlink
link_path, _ := filepath.join([]string{envr_dir, "data.envr.link"}, context.temp_allocator)
clink := strings.clone_to_cstring(link_path)
defer delete(clink)
testing.expect(t, posix.link(cdata, clink) == .OK, "hardlink should succeed")
// Update database
{
db, ok2 := db_open(config_path)
defer db_close(&db)
testing.expect(t, ok2, "second db_open should succeed")
if !ok2 do return
env_path2, _ := filepath.join([]string{base, ".env2"}, context.temp_allocator)
f2 := make_test_env_file(env_path2, "sha2", "KEY2=value2")
db_insert(&db, f2)
}
// Verify inode preserved
sb2: posix.stat_t
testing.expect(t, posix.stat(cdata, &sb2) == .OK, "stat should succeed after rewrite")
testing.expect(t, sb2.st_ino == inode_before, "data.envr inode should be unchanged")
// Verify hardlink still valid
sb_link: posix.stat_t
testing.expect(t, posix.stat(clink, &sb_link) == .OK, "stat on hardlink should succeed")
testing.expect(t, sb_link.st_ino == inode_before, "hardlink inode should match")
testing.expect(t, sb_link.st_nlink == 2, "hardlink count should still be 2")
}