chore: update output for diff

cmd/sync.go

@@ -82,7 +82,7 @@ func sync(cmd *cobra.Command, dryRun bool) error {
 			summary.deleted++
 		}
 
-		str, err := event.Output()
+		str, err := event.Output(dryRun)
 		if err != nil {
 			color.Red("Failed to get output of the event: %v", err)
 			return err

pkg/data/events.go

@@ -57,13 +57,21 @@ type Event struct {
 // if the event is create, it will return the message of creating resource.
 // if the event is update, it will return the diff of old value and new value.
 // if the event is delete, it will return the message of deleting resource.
-func (e *Event) Output() (string, error) {
+func (e *Event) Output(diffOnly bool) (string, error) {
 	var output string
 	switch e.Option {
 	case CreateOption:
-		output = fmt.Sprintf("creating %s: \"%s\"", e.ResourceType, apisix.GetResourceUniqueKey(e.Value))
+		if diffOnly {
+			output = fmt.Sprintf("+++ %s: \"%s\"", e.ResourceType, apisix.GetResourceUniqueKey(e.Value))
+		} else {
+			output = fmt.Sprintf("creating %s: \"%s\"", e.ResourceType, apisix.GetResourceUniqueKey(e.Value))
+		}
 	case DeleteOption:
-		output = fmt.Sprintf("deleting %s: \"%s\"", e.ResourceType, apisix.GetResourceUniqueKey(e.OldValue))
+		if diffOnly {
+			output = fmt.Sprintf("--- %s: \"%s\"", e.ResourceType, apisix.GetResourceUniqueKey(e.OldValue))
+		} else {
+			output = fmt.Sprintf("deleting %s: \"%s\"", e.ResourceType, apisix.GetResourceUniqueKey(e.OldValue))
+		}
 	case UpdateOption:
 		remote, err := json.MarshalIndent(e.OldValue, "", "\t")
 		if err != nil {
@@ -79,7 +87,11 @@ func (e *Event) Output() (string, error) {
 
 		edits := myers.ComputeEdits(span.URIFromPath("remote"), string(remote), string(local))
 		diff := fmt.Sprint(gotextdiff.ToUnified("remote", "local", string(remote), edits))
-		output = fmt.Sprintf("updating %s: \"%s\"\n%s", e.ResourceType, apisix.GetResourceUniqueKey(e.Value), diff)
+		if diffOnly {
+			output = fmt.Sprintf("diff %s: \"%s\"\n%s", e.ResourceType, apisix.GetResourceUniqueKey(e.Value), diff)
+		} else {
+			output = fmt.Sprintf("updating %s: \"%s\"\n%s", e.ResourceType, apisix.GetResourceUniqueKey(e.Value), diff)
+		}
 	}
 
 	return output, nil

pkg/data/events_test.go

@@ -50,7 +50,7 @@ func TestEventOutput(t *testing.T) {
 		Option:       DeleteOption,
 		OldValue:     svc,
 	}
-	output, err := event.Output()
+	output, err := event.Output(false)
 	assert.Nil(t, err, "should not return error")
 	assert.Equal(t, "deleting service: \"svc\"", output)
 
@@ -60,7 +60,7 @@ func TestEventOutput(t *testing.T) {
 		Option:       CreateOption,
 		Value:        svc,
 	}
-	output, err = event.Output()
+	output, err = event.Output(false)
 	assert.Nil(t, err, "should not return error")
 	assert.Equal(t, "creating service: \"svc\"", output)
 
@@ -73,7 +73,7 @@ func TestEventOutput(t *testing.T) {
 		OldValue:     route,
 		Value:        route1,
 	}
-	output, err = event.Output()
+	output, err = event.Output(false)
 	assert.Nil(t, err, "should not return error")
 	assert.Contains(t, output, "updating route: \"route\"", "should contain the route name")
 	assert.Contains(t, output, "+\t\"desc\": \"route1\"", "should contain the changes")

test/cli/suites-basic/diff.go

@@ -13,10 +13,10 @@ var _ = ginkgo.Describe("`adc diff` tests", func() {
 		ginkgo.It("should return the diff result", func() {
 			out, err := s.Diff("suites-basic/testdata/test.yaml")
 			gomega.Expect(err).To(gomega.BeNil())
-			gomega.Expect(out).To(gomega.Equal(`creating service: "svc1"
-creating service: "svc2"
-creating route: "route1"
-creating route: "route2"
+			gomega.Expect(out).To(gomega.Equal(`+++ service: "svc1"
++++ service: "svc2"
++++ route: "route1"
++++ route: "route2"
 Summary: created 4, updated 0, deleted 0
 `))
 		})

test/cli/suites-consumer-group/diff.go

@@ -13,8 +13,8 @@ var _ = ginkgo.Describe("`adc diff` consumer group tests", func() {
 		ginkgo.It("should return the diff result", func() {
 			out, err := s.Diff("suites-consumer-group/testdata/test.yaml")
 			gomega.Expect(err).To(gomega.BeNil())
-			gomega.Expect(out).To(gomega.Equal(`creating consumer_group: "company_a"
-creating consumer: "jack"
+			gomega.Expect(out).To(gomega.Equal(`+++ consumer_group: "company_a"
++++ consumer: "jack"
 Summary: created 2, updated 0, deleted 0
 `))
 		})

test/cli/suites-consumer/diff.go

@@ -13,7 +13,7 @@ var _ = ginkgo.Describe("`adc diff` consumer tests", func() {
 		ginkgo.It("should return the diff result", func() {
 			out, err := s.Diff("suites-consumer/testdata/test.yaml")
 			gomega.Expect(err).To(gomega.BeNil())
-			gomega.Expect(out).To(gomega.Equal(`creating consumer: "jack"
+			gomega.Expect(out).To(gomega.Equal(`+++ consumer: "jack"
 Summary: created 1, updated 0, deleted 0
 `))
 		})

test/cli/suites-global-rule/diff.go

@@ -13,7 +13,7 @@ var _ = ginkgo.Describe("`adc diff` global rule tests", func() {
 		ginkgo.It("should return the diff result", func() {
 			out, err := s.Diff("suites-global-rule/testdata/test.yaml")
 			gomega.Expect(err).To(gomega.BeNil())
-			gomega.Expect(out).To(gomega.Equal(`creating global_rule: "1"
+			gomega.Expect(out).To(gomega.Equal(`+++ global_rule: "1"
 Summary: created 1, updated 0, deleted 0
 `))
 		})

test/cli/suites-plugin-config/diff.go

@@ -13,7 +13,7 @@ var _ = ginkgo.Describe("`adc diff` plugin config tests", func() {
 		ginkgo.It("should return the diff result", func() {
 			out, err := s.Diff("suites-plugin-config/testdata/test.yaml")
 			gomega.Expect(err).To(gomega.BeNil())
-			gomega.Expect(out).To(gomega.Equal(`creating plugin_config: "1"
+			gomega.Expect(out).To(gomega.Equal(`+++ plugin_config: "1"
 Summary: created 1, updated 0, deleted 0
 `))
 		})

test/cli/suites-plugin-metadata/diff.go

@@ -13,7 +13,7 @@ var _ = ginkgo.Describe("`adc diff` plugin metadata tests", func() {
 		ginkgo.It("should return the diff result", func() {
 			out, err := s.Diff("suites-plugin-metadata/testdata/test.yaml")
 			gomega.Expect(err).To(gomega.BeNil())
-			gomega.Expect(out).To(gomega.Equal(`creating plugin_metadata: "http-logger"
+			gomega.Expect(out).To(gomega.Equal(`+++ plugin_metadata: "http-logger"
 Summary: created 1, updated 0, deleted 0
 `))
 		})

test/mtls/suites-basic/diff.go

@@ -13,10 +13,10 @@ var _ = ginkgo.Describe("`adc diff` tests", func() {
 		ginkgo.It("should return the diff result", func() {
 			out, err := s.Diff("suites-basic/testdata/test.yaml")
 			gomega.Expect(err).To(gomega.BeNil())
-			gomega.Expect(out).To(gomega.Equal(`creating service: "svc1"
-creating service: "svc2"
-creating route: "route1"
-creating route: "route2"
+			gomega.Expect(out).To(gomega.Equal(`+++ service: "svc1"
++++ service: "svc2"
++++ route: "route1"
++++ route: "route2"
 Summary: created 4, updated 0, deleted 0
 `))
 		})