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diff: Add integration test
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1 changed files with 103 additions and 0 deletions
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@ -154,6 +154,21 @@ func testRunCheckOutput(gopts GlobalOptions) (string, error) {
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return buf.String(), err
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return buf.String(), err
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}
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}
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func testRunDiffOutput(gopts GlobalOptions, firstSnapshotID string, secondSnapshotID string) (string, error) {
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buf := bytes.NewBuffer(nil)
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globalOptions.stdout = buf
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defer func() {
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globalOptions.stdout = os.Stdout
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}()
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opts := DiffOptions{
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ShowMetadata: false,
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}
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err := runDiff(opts, gopts, []string{firstSnapshotID, secondSnapshotID})
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return string(buf.Bytes()), err
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}
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func testRunRebuildIndex(t testing.TB, gopts GlobalOptions) {
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func testRunRebuildIndex(t testing.TB, gopts GlobalOptions) {
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globalOptions.stdout = ioutil.Discard
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globalOptions.stdout = ioutil.Discard
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defer func() {
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defer func() {
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@ -1472,3 +1487,91 @@ func TestQuietBackup(t *testing.T) {
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testRunCheck(t, env.gopts)
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testRunCheck(t, env.gopts)
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}
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}
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func copyFile(dst string, src string) error {
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srcFile, err := os.Open(src)
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if err != nil {
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return err
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}
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defer srcFile.Close()
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dstFile, err := os.Create(dst)
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if err != nil {
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return err
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}
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defer dstFile.Close()
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_, err = io.Copy(dstFile, srcFile)
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return err
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}
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var diffOutputRegexPatterns = []string{
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"-.+modfile",
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"M.+modfile1",
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"\\+.+modfile2",
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"\\+.+modfile3",
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"\\+.+modfile4",
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"-.+submoddir",
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"-.+submoddir.subsubmoddir",
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"\\+.+submoddir2",
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"\\+.+submoddir2.subsubmoddir",
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"Files: +2 new, +1 removed, +1 changed",
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"Dirs: +3 new, +2 removed",
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"Data Blobs: +2 new, +1 removed",
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"Added: +7[0-9]{2}\\.[0-9]{3} KiB",
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"Removed: +2[0-9]{2}\\.[0-9]{3} KiB",
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}
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func TestDiff(t *testing.T) {
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env, cleanup := withTestEnvironment(t)
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defer cleanup()
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testRunInit(t, env.gopts)
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datadir := filepath.Join(env.base, "testdata")
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testdir := filepath.Join(datadir, "testdir")
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subtestdir := filepath.Join(testdir, "subtestdir")
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testfile := filepath.Join(testdir, "testfile")
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rtest.OK(t, os.Mkdir(testdir, 0755))
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rtest.OK(t, os.Mkdir(subtestdir, 0755))
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rtest.OK(t, appendRandomData(testfile, 256*1024))
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moddir := filepath.Join(datadir, "moddir")
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submoddir := filepath.Join(moddir, "submoddir")
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subsubmoddir := filepath.Join(submoddir, "subsubmoddir")
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modfile := filepath.Join(moddir, "modfile")
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rtest.OK(t, os.Mkdir(moddir, 0755))
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rtest.OK(t, os.Mkdir(submoddir, 0755))
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rtest.OK(t, os.Mkdir(subsubmoddir, 0755))
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rtest.OK(t, copyFile(modfile, testfile))
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rtest.OK(t, appendRandomData(modfile+"1", 256*1024))
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snapshots := make(map[string]struct{})
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opts := BackupOptions{}
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testRunBackup(t, "", []string{datadir}, opts, env.gopts)
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snapshots, firstSnapshotID := lastSnapshot(snapshots, loadSnapshotMap(t, env.gopts))
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rtest.OK(t, os.Rename(modfile, modfile+"3"))
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rtest.OK(t, os.Rename(submoddir, submoddir+"2"))
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rtest.OK(t, appendRandomData(modfile+"1", 256*1024))
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rtest.OK(t, appendRandomData(modfile+"2", 256*1024))
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rtest.OK(t, os.Mkdir(modfile+"4", 0755))
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testRunBackup(t, "", []string{datadir}, opts, env.gopts)
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snapshots, secondSnapshotID := lastSnapshot(snapshots, loadSnapshotMap(t, env.gopts))
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_, err := testRunDiffOutput(env.gopts, "", secondSnapshotID)
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rtest.Assert(t, err != nil, "expected error on invalid snapshot id")
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out, err := testRunDiffOutput(env.gopts, firstSnapshotID, secondSnapshotID)
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if err != nil {
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t.Fatalf("expected no error from diff for test repository, got %v", err)
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}
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for _, pattern := range diffOutputRegexPatterns {
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r, err := regexp.Compile(pattern)
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rtest.Assert(t, err == nil, "failed to compile regexp %v", pattern)
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rtest.Assert(t, r.MatchString(out), "expected pattern %v in output, got\n%v", pattern, out)
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}
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}
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