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Merge pull request #601 from kunalkushwaha/testsuite-CommitView

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Testcase for multiple Prepare/View on same key.
This commit is contained in:
Phil Estes 2017-03-13 16:05:55 -04:00 committed by GitHub
commit a132a884fa
1 changed files with 64 additions and 1 deletions
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65
snapshot/testsuite/testsuite.go
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@ -22,7 +22,7 @@ func SnapshotterSuite(t *testing.T, name string, snapshotterFn func(root string)
t.Run("StatActive", makeTest(t, name, snapshotterFn, checkSnapshotterStatActive))
t.Run("StatComitted", makeTest(t, name, snapshotterFn, checkSnapshotterStatCommitted))
t.Run("TransitivityTest", makeTest(t, name, snapshotterFn, checkSnapshotterTransitivity))
t.Run("PreareViewFailingtest", makeTest(t, name, snapshotterFn, checkSnapshotterPrepareView))
}
func makeTest(t *testing.T, name string, snapshotterFn func(root string) (snapshot.Snapshotter, func(), error), fn func(t *testing.T, snapshotter snapshot.Snapshotter, work string)) func(t *testing.T) {
@ -342,3 +342,66 @@ func checkSnapshotterTransitivity(t *testing.T, snapshotter snapshot.Snapshotter
assert.Equal(t, "", siParentB.Parent)
}
// Creating two layers with Prepare or View with same key must fail.
func checkSnapshotterPrepareView(t *testing.T, snapshotter snapshot.Snapshotter, work string) {
ctx := context.TODO()
preparing, err := snapshotterPrepareMount(ctx, snapshotter, "preparing", "", work)
if err != nil {
t.Fatal(err)
}
defer testutil.Unmount(t, preparing)
snapA := filepath.Join(work, "snapA")
if err = snapshotter.Commit(ctx, snapA, preparing); err != nil {
t.Fatal(err)
}
// Prepare & View with same key
newLayer := filepath.Join(work, "newlayer")
if err = os.MkdirAll(preparing, 0777); err != nil {
t.Fatal(err)
}
// Prepare & View with same key
_, err = snapshotter.Prepare(ctx, newLayer, snapA)
if err != nil {
t.Fatal(err)
}
_, err = snapshotter.View(ctx, newLayer, snapA)
//must be err != nil
assert.NotNil(t, err)
// Two Prepare with same key
prepLayer := filepath.Join(work, "prepLayer")
if err = os.MkdirAll(preparing, 0777); err != nil {
t.Fatal(err)
}
_, err = snapshotter.Prepare(ctx, prepLayer, snapA)
if err != nil {
t.Fatal(err)
}
_, err = snapshotter.Prepare(ctx, prepLayer, snapA)
//must be err != nil
assert.NotNil(t, err)
// Two View with same key
viewLayer := filepath.Join(work, "viewLayer")
if err = os.MkdirAll(preparing, 0777); err != nil {
t.Fatal(err)
}
_, err = snapshotter.View(ctx, viewLayer, snapA)
if err != nil {
t.Fatal(err)
}
_, err = snapshotter.View(ctx, viewLayer, snapA)
//must be err != nil
assert.NotNil(t, err)
}