github.com/jenkins-x/jx-api@v0.0.24/pkg/util/json/patch_test.go (about)

     1  package json_test
     2  
     3  import (
     4  	"testing"
     5  
     6  	"github.com/jenkins-x/jx-api/pkg/util/json"
     7  
     8  	jenkinsv1 "github.com/jenkins-x/jx-api/pkg/apis/jenkins.io/v1"
     9  	"github.com/stretchr/testify/assert"
    10  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    11  )
    12  
    13  func TestCreatePatch(t *testing.T) {
    14  	t.Parallel()
    15  	orig, clone := setUp()
    16  
    17  	clone.Spec.Name = "foo"
    18  	patch, err := json.CreatePatch(orig, clone)
    19  
    20  	assert.NoError(t, err, "patch creation should be successful ")
    21  	assert.Equal(t, `[{"op":"add","path":"/spec/name","value":"foo"}]`, string(patch),
    22  		"the patch should have been empty")
    23  }
    24  
    25  func TestCreatePatchNil(t *testing.T) {
    26  	t.Parallel()
    27  	orig, clone := setUp()
    28  
    29  	_, err := json.CreatePatch(nil, clone)
    30  	assert.Error(t, err, "nil should not be allowed")
    31  	assert.Equal(t, "'before' cannot be nil when creating a JSON patch", err.Error(), "wrong error message")
    32  
    33  	_, err = json.CreatePatch(orig, nil)
    34  	assert.Error(t, err, "nil should not be allowed")
    35  	assert.Equal(t, "'after' cannot be nil when creating a JSON patch", err.Error(), "wrong error message")
    36  }
    37  
    38  func TestCreatePatchNoDiff(t *testing.T) {
    39  	t.Parallel()
    40  	orig, clone := setUp()
    41  
    42  	patch, err := json.CreatePatch(orig, clone)
    43  
    44  	assert.NoError(t, err, "patch creation should be successful ")
    45  	assert.Equal(t, "[]", string(patch), "the patch should have been empty")
    46  }
    47  
    48  func setUp() (*jenkinsv1.Plugin, *jenkinsv1.Plugin) {
    49  	orig := &jenkinsv1.Plugin{
    50  		ObjectMeta: metav1.ObjectMeta{
    51  			Name: "test-plugin",
    52  		},
    53  		Spec: jenkinsv1.PluginSpec{},
    54  	}
    55  
    56  	return orig, orig.DeepCopy()
    57  }