Function TestStructuredOutputModify

diff/diff_test.go:589–646

(t *testing.T)

}

func TestStructuredOutputModify(t *testing.T) {
	ansi.DisableColors(true)
	opts := &Options{OutputFormat: "structured"}
	oldManifest := `
apiVersion: apps/v1
kind: Deployment
metadata:
  name: web
  namespace: prod
spec:
  replicas: 2
  template:
    spec:
      containers:
      - name: app
        image: demo:v1
`
	newManifest := `
apiVersion: apps/v1
kind: Deployment
metadata:
  name: web
  namespace: prod
spec:
  replicas: 3
  template:
    spec:
      containers:
      - name: app
        image: demo:v2
`
	oldIndex := manifest.Parse([]byte(oldManifest), "prod", true)
	newIndex := manifest.Parse([]byte(newManifest), "prod", true)

	var buf bytes.Buffer
	changed := Manifests(oldIndex, newIndex, opts, &buf)
	require.True(t, changed)

	var entries []StructuredEntry
	require.NoError(t, json.Unmarshal(buf.Bytes(), &entries))
	require.Len(t, entries, 1)
	entry := entries[0]
	require.Equal(t, "MODIFY", entry.ChangeType)
	require.Equal(t, "apps/v1", entry.APIVersion)
	require.Equal(t, "Deployment", entry.Kind)
	require.Equal(t, "prod", entry.Namespace)
	require.Equal(t, "web", entry.Name)
	require.Len(t, entry.Changes, 2)
	replicasChange, ok := findChange(entry.Changes, "spec", "replicas")
	require.True(t, ok)
	require.InDelta(t, float64(2), replicasChange.OldValue, 0.001)
	require.InDelta(t, float64(3), replicasChange.NewValue, 0.001)

	imageChange, ok := findChange(entry.Changes, "spec.template.spec.containers[0]", "image")
	require.True(t, ok)
	require.Equal(t, "demo:v1", imageChange.OldValue)
	require.Equal(t, "demo:v2", imageChange.NewValue)
}