feat: TestNewCmdRename for gist rename

pkg/cmd/gist/rename/rename_test.go

@@ -0,0 +1,71 @@
+package rename
+
+import (
+	"bytes"
+	"testing"
+
+	"github.com/cli/cli/v2/pkg/cmdutil"
+	"github.com/google/shlex"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestNewCmdRename(t *testing.T) {
+	tests := []struct {
+		name    string
+		input   string
+		output  RenameOptions
+		errMsg  string
+		tty     bool
+		wantErr bool
+	}{
+		{
+			name:  "no flags",
+			input: "123",
+			output: RenameOptions{
+				Selector: "123",
+			},
+		},
+		{
+			name:  "no new filename",
+			input: "123 old.md",
+			output: RenameOptions{
+				Selector:    "123",
+				OldFileName: "old.md",
+			},
+		},
+		{
+			name:  "with both old and new filename",
+			input: "123 old.md new.md",
+			output: RenameOptions{
+				Selector:    "123",
+				OldFileName: "old.md",
+				NewFileName: "new.md",
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			f := &cmdutil.Factory{}
+
+			argv, err := shlex.Split(tt.input)
+			assert.NoError(t, err)
+
+			var gotOpts *RenameOptions
+			cmd := NewCmdRename(f, func(opts *RenameOptions) error {
+				gotOpts = opts
+				return nil
+			})
+			cmd.SetArgs(argv)
+			cmd.SetIn(&bytes.Buffer{})
+			cmd.SetOut(&bytes.Buffer{})
+			cmd.SetErr(&bytes.Buffer{})
+
+			_, err = cmd.ExecuteC()
+			assert.NoError(t, err)
+
+			assert.Equal(t, tt.wants.Selector, gotOpts.Selector)
+			assert.Equal(t, tt.wants.OldFileName, gotOpts.OldFileName)
+			assert.Equal(t, tt.wants.NewFileName, gotOpts.NewFileName)
+		})
+	}
+}