update doublestar pattern and the failed launcher UT cases

Signed-off-by: Steven Zou <szou@vmware.com>

src/pkg/retention/launcher_test.go

@@ -216,15 +216,15 @@ func (l *launchTestSuite) TestLaunch() {
 				ScopeSelectors: map[string][]*rule.Selector{
 					"project": {
 						{
-							Kind:       "regularExpression",
+							Kind:       "doublestar",
-							Decoration: "matches",
+							Decoration: "nsMatches",
 							Pattern:    "**",
 						},
 					},
 					"repository": {
 						{
-							Kind:       "regularExpression",
+							Kind:       "doublestar",
-							Decoration: "matches",
+							Decoration: "repoMatches",
 							Pattern:    "**",
 						},
 					},

src/pkg/retention/policy/alg/or/processor_test.go

@@ -102,7 +102,7 @@ func (suite *ProcessorTestSuite) TearDownSuite() {}
 func (suite *ProcessorTestSuite) TestProcess() {
 	results, err := suite.p.Process(suite.all)
 	require.NoError(suite.T(), err)
-	assert.Equal(suite.T(), 2, len(results))
+	assert.Equal(suite.T(), 1, len(results))
 	assert.Condition(suite.T(), func() bool {
 		for _, r := range results {
 			if r.Error != nil {

src/pkg/retention/res/selectors/doublestar/selector.go

@@ -31,6 +31,10 @@ const (
 	RepoMatches = "repoMatches"
 	// RepoExcludes represents repository excludes [pattern]
 	RepoExcludes = "repoExcludes"
+	// NSMatches represents namespace matches [pattern]
+	NSMatches = "nsMatches"
+	// NSExcludes represents namespace excludes [pattern]
+	NSExcludes = "nsExcludes"
 )
 
 // selector for regular expression
@@ -59,6 +63,11 @@ func (s *selector) Select(artifacts []*res.Candidate) (selected []*res.Candidate
 		case RepoExcludes:
 			value = art.Repository
 			excludes = true
+		case NSMatches:
+			value = art.Namespace
+		case NSExcludes:
+			value = art.Namespace
+			excludes = true
 		}
 
 		if len(value) > 0 {
@@ -95,5 +104,12 @@ func match(pattern, str string) (bool, error) {
 
 func init() {
 	// Register doublestar selector
-	selectors.Register(Kind, []string{Matches, Excludes}, New)
+	selectors.Register(Kind, []string{
+		Matches,
+		Excludes,
+		RepoMatches,
+		RepoExcludes,
+		NSMatches,
+		NSExcludes,
+	}, New)
 }

src/pkg/retention/res/selectors/doublestar/selector_test.go

@@ -51,8 +51,8 @@ func (suite *RegExpSelectorTestSuite) SetupSuite() {
 			Labels:       []string{"label1", "label2", "label3"},
 		},
 		{
-			NamespaceID:  1,
+			NamespaceID:  2,
-			Namespace:    "library",
+			Namespace:    "retention",
 			Repository:   "redis",
 			Tag:          "4.0",
 			Kind:         res.Image,
@@ -62,8 +62,8 @@ func (suite *RegExpSelectorTestSuite) SetupSuite() {
 			Labels:       []string{"label1", "label4", "label5"},
 		},
 		{
-			NamespaceID:  1,
+			NamespaceID:  2,
-			Namespace:    "library",
+			Namespace:    "retention",
 			Repository:   "redis",
 			Tag:          "4.1",
 			Kind:         res.Image,
@@ -180,6 +180,60 @@ func (suite *RegExpSelectorTestSuite) TestRepoExcludes() {
 	})
 }
 
+// TestNSMatches tests the namespace `matches` case
+func (suite *RegExpSelectorTestSuite) TestNSMatches() {
+	repoMatches := &selector{
+		decoration: NSMatches,
+		pattern:    "{library}",
+	}
+
+	selected, err := repoMatches.Select(suite.artifacts)
+	require.NoError(suite.T(), err)
+	assert.Equal(suite.T(), 1, len(selected))
+	assert.Condition(suite.T(), func() bool {
+		return expect([]string{"harbor:latest"}, selected)
+	})
+
+	repoMatches2 := &selector{
+		decoration: RepoMatches,
+		pattern:    "re*",
+	}
+
+	selected, err = repoMatches2.Select(suite.artifacts)
+	require.NoError(suite.T(), err)
+	assert.Equal(suite.T(), 2, len(selected))
+	assert.Condition(suite.T(), func() bool {
+		return expect([]string{"redis:4.0", "redis:4.1"}, selected)
+	})
+}
+
+// TestNSExcludes tests the namespace `excludes` case
+func (suite *RegExpSelectorTestSuite) TestNSExcludes() {
+	repoExcludes := &selector{
+		decoration: NSExcludes,
+		pattern:    "{library}",
+	}
+
+	selected, err := repoExcludes.Select(suite.artifacts)
+	require.NoError(suite.T(), err)
+	assert.Equal(suite.T(), 2, len(selected))
+	assert.Condition(suite.T(), func() bool {
+		return expect([]string{"redis:4.0", "redis:4.1"}, selected)
+	})
+
+	repoExcludes2 := &selector{
+		decoration: NSExcludes,
+		pattern:    "re*",
+	}
+
+	selected, err = repoExcludes2.Select(suite.artifacts)
+	require.NoError(suite.T(), err)
+	assert.Equal(suite.T(), 1, len(selected))
+	assert.Condition(suite.T(), func() bool {
+		return expect([]string{"harbor:latest"}, selected)
+	})
+}
+
 // Check whether the returned result matched the expected ones (only check repo:tag)
 func expect(expected []string, candidates []*res.Candidate) bool {
 	hash := make(map[string]bool)