Fix tests

Signed-off-by: Raghav Kaul <raghavkaul@google.com>

pkg/enforce/enforce_test.go

@@ -91,6 +91,42 @@ func (m MockGhClients) Get(i int64) (*github.Client, error) {
 
 func (m MockGhClients) LogCacheSize() {}
 
+func TestSkipEmptyRepositories(t *testing.T) {
+	policiesGetPolicies = func() []policydef.Policy {
+		return []policydef.Policy{
+			pol{},
+		}
+	}
+
+	isRepositoryEmpty = func(ctx context.Context, c *github.Client, s1, s2, s3 string) (bool, error) {
+		return true, nil
+	}
+
+	repo := "fake-repo"
+
+	tests := []struct {
+		Desc string
+	}{
+		{
+			Desc: "test skip a single empty repository",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.Desc, func(t *testing.T) {
+			enforceResults, err := runPoliciesReal(context.Background(), nil, "", repo, true, "")
+
+			if err != nil {
+				t.Fatalf("Unexpected error: %v", err)
+			}
+
+			if len(enforceResults) != 0 {
+				t.Errorf("expected no policy results, got %+v\n", enforceResults)
+			}
+		})
+	}
+}
+
 func TestRunPolicies(t *testing.T) {
 	policiesGetPolicies = func() []policydef.Policy {
 		return []policydef.Policy{
@@ -107,6 +143,9 @@ func TestRunPolicies(t *testing.T) {
 		closeCalled = true
 		return nil
 	}
+	isRepositoryEmpty = func(ctx context.Context, c *github.Client, s1, s2, s3 string) (bool, error) {
+		return false, nil
+	}
 	repo := "fake-repo"
 	tests := []struct {
 		Name              string