[teamai] Push 87 resource(s) from XingfenD

.teamai/skills/common/golang-cli/assets/examples/cli_test.go

@@ -0,0 +1,58 @@
+package main
+
+import (
+	"bytes"
+	"testing"
+
+	"github.com/spf13/cobra"
+)
+
+// Test commands by executing them programmatically and capturing output.
+// Use cmd.OutOrStdout() and cmd.ErrOrStderr() in commands (instead of
+// os.Stdout / os.Stderr) so output can be captured in tests.
+
+func executeCommand(root *cobra.Command, args ...string) (string, error) {
+	buf := new(bytes.Buffer)
+	root.SetOut(buf)
+	root.SetErr(buf)
+	root.SetArgs(args)
+	err := root.Execute()
+	return buf.String(), err
+}
+
+func TestServeCommand(t *testing.T) {
+	tests := []struct {
+		name    string
+		args    []string
+		want    string
+		wantErr bool
+	}{
+		{
+			name: "default port",
+			args: []string{"serve"},
+			want: "listening on :8080\n",
+		},
+		{
+			name: "custom port",
+			args: []string{"serve", "--port", "9090"},
+			want: "listening on :9090\n",
+		},
+		{
+			name:    "missing required flag",
+			args:    []string{"serve", "--host", ""},
+			wantErr: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := executeCommand(rootCmd, tt.args...)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("error = %v, wantErr %v", err, tt.wantErr)
+			}
+			if !tt.wantErr && got != tt.want {
+				t.Errorf("output = %q, want %q", got, tt.want)
+			}
+		})
+	}
+}