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test(brainfs): per-caller in-brain symlink targets for slices 1-3 (#171) (#172)
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Co-authored-by: Mathias <mthbqv@gmail.com>
This commit was merged in pull request #172.
This commit is contained in:
mathias
2026-10-05 19:36:31 +00:00
committed by mathias
parent eedb110be5
commit 0c3e82ca0a
7 changed files with 109 additions and 7 deletions
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ingestion/internal/mcp/readexcerpt_root_test.go
+8
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@@ -21,6 +21,11 @@ func TestReadExcerptRefusesSymlinksAndSurvivesSwapRaces(t *testing.T) {
require.NoError(t, os.MkdirAll(facts, 0o755))
require.NoError(t, os.Symlink(brainfstest.Outside(t), filepath.Join(facts, "leak.md")))
assert.NotContains(t, readExcerpt(brain, "wiki/w/facts/leak.md", 500), brainfstest.Sentinel)
// A link to a file elsewhere in the brain: os.Root allows it, only the
// regular-file check refuses it (hyperguild#171).
inBrain := brainfstest.WriteSentinelAt(t, filepath.Join(brain, "raw", "s.md"))
require.NoError(t, os.Symlink(filepath.Join("..", "..", "..", "raw", "s.md"), filepath.Join(facts, "inlink.md")))
assert.NotContains(t, readExcerpt(brain, "wiki/w/facts/inlink.md", 500), brainfstest.Sentinel)
p := filepath.Join(facts, "r.md")
require.NoError(t, os.WriteFile(p, []byte("---\nx: y\n---\ninside"), 0o644))
@@ -28,6 +33,9 @@ func TestReadExcerptRefusesSymlinksAndSurvivesSwapRaces(t *testing.T) {
brainfstest.AssertNoLeak(t, p, "---\nx: y\n---\ninside", 1500*time.Millisecond, func() string {
return readExcerpt(brain, "wiki/w/facts/r.md", 500)
})
brainfstest.AssertNoLeakFrom(t, p, "---\nx: y\n---\ninside", inBrain, 1500*time.Millisecond, func() string {
return readExcerpt(brain, "wiki/w/facts/r.md", 500)
})
brainfstest.AssertNoHang(t, p, "---\nx: y\n---\ninside", 1500*time.Millisecond, 6*time.Second, func() {
_ = readExcerpt(brain, "wiki/w/facts/r.md", 500)
})