test(pkg/service): Add tests for service package

Signed-off-by: Sneha Chhabria <snchh@microsoft.com>

pkg/service/service_test.go

@@ -86,3 +86,80 @@ func TestServerName(t *testing.T) {
 	actual := namespacedService.ServerName()
 	assert.Equal("service-name-here.namespace-here.svc.cluster.local", actual)
 }
+
+func TestEquals(t *testing.T) {
+	assert := tassert.New(t)
+
+	testCases := []struct {
+		name           string
+		service        MeshService
+		anotherService MeshService
+		isEqual        bool
+	}{
+		{
+			name: "services are equal",
+			service: MeshService{
+				Namespace: "default",
+				Name:      "bookbuyer",
+			},
+			anotherService: MeshService{
+				Namespace: "default",
+				Name:      "bookbuyer",
+			},
+			isEqual: true,
+		},
+		{
+			name: "services are NOT equal",
+			service: MeshService{
+				Namespace: "default",
+				Name:      "bookbuyer",
+			},
+			anotherService: MeshService{
+				Namespace: "default",
+				Name:      "bookstore",
+			},
+			isEqual: false,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			actual := tc.service.Equals(tc.anotherService)
+			assert.Equal(actual, tc.isEqual)
+		})
+	}
+}
+
+func TestString(t *testing.T) {
+	assert := tassert.New(t)
+
+	testCases := []struct {
+		name          string
+		service       MeshService
+		serviceString string
+	}{
+		{
+			name: "service in default namespace",
+			service: MeshService{
+				Namespace: "default",
+				Name:      "bookbuyer",
+			},
+			serviceString: "default/bookbuyer",
+		},
+		{
+			name: "service in custom namespace",
+			service: MeshService{
+				Namespace: "bookbuyer-ns",
+				Name:      "bookbuyer",
+			},
+			serviceString: "bookbuyer-ns/bookbuyer",
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			actual := tc.service.String()
+			assert.Equal(actual, tc.serviceString)
+		})
+	}
+}