add unit for formatters.go

Signed-off-by: yxxhero <aiopsclub@163.com>

pkg/app/formatters_test.go

@@ -0,0 +1,80 @@
+package app
+
+import (
+	"os"
+	"testing"
+)
+
+// TestFormatAsTable tests the FormatAsTable function.
+func TestFormatAsTable(t *testing.T) {
+
+	h := []*HelmRelease{
+		{
+			Name:      "test",
+			Namespace: "test",
+			Enabled:   true,
+			Installed: true,
+			Labels:    "test",
+			Chart:     "test",
+			Version:   "test",
+		},
+		{
+			Name:      "test1",
+			Namespace: "test2",
+			Enabled:   false,
+			Installed: false,
+			Labels:    "test1",
+			Chart:     "test1",
+			Version:   "test1",
+		},
+	}
+
+	tableoutput := "testdata/formatters/tableoutput"
+	expectd, err := os.ReadFile(tableoutput)
+	if err != nil {
+		t.Errorf("error reading %s: %v", tableoutput, err)
+	}
+
+	result := captureStdout(func() {
+		FormatAsTable(h)
+	})
+	if result != string(expectd) {
+		t.Errorf("FormatAsTable() = %v, want %v", result, string(expectd))
+	}
+}
+
+func TestFormatAsJson(t *testing.T) {
+	h := []*HelmRelease{
+		{
+			Name:      "test",
+			Namespace: "test",
+			Enabled:   true,
+			Installed: true,
+			Labels:    "test",
+			Chart:     "test",
+			Version:   "test",
+		},
+		{
+			Name:      "test1",
+			Namespace: "test2",
+			Enabled:   false,
+			Installed: false,
+			Labels:    "test1",
+			Chart:     "test1",
+			Version:   "test1",
+		},
+	}
+	output := "testdata/formatters/jsonoutput"
+	expectd, err := os.ReadFile(output)
+	if err != nil {
+		t.Errorf("error reading %s: %v", output, err)
+	}
+	result := captureStdout(func() {
+		FormatAsJson(h)
+	})
+
+	if result != string(expectd) {
+		t.Errorf("FormatAsJson() = %v, want %v", result, string(expectd))
+	}
+
+}

pkg/app/testdata/formatters/jsonoutput

@@ -0,0 +1 @@
+[{"name":"test","namespace":"test","enabled":true,"installed":true,"labels":"test","chart":"test","version":"test"},{"name":"test1","namespace":"test2","enabled":false,"installed":false,"labels":"test1","chart":"test1","version":"test1"}]

pkg/app/testdata/formatters/tableoutput

@@ -0,0 +1,3 @@
+NAME 	NAMESPACE	ENABLED	INSTALLED	LABELS	CHART	VERSION
+test 	test     	true   	true     	test  	test 	test   
+test1	test2    	false  	false    	test1 	test1	test1