Function TestSetErrorPreservesContent

mcp/mcp_test.go:2333–2372

(t *testing.T)

}

func TestSetErrorPreservesContent(t *testing.T) {
	for _, tt := range []struct {
		name        string
		content     []Content
		err         error
		wantContent string
	}{
		{
			name:        "nil content",
			err:         errors.New("internal failure"),
			wantContent: "internal failure",
		},
		{
			name:        "empty slice content",
			content:     []Content{},
			err:         errors.New("internal failure"),
			wantContent: "internal failure",
		},
		{
			name:        "existing content preserved",
			content:     []Content{&TextContent{Text: "user-friendly msg"}},
			err:         errors.New("db timeout"),
			wantContent: "user-friendly msg",
		},
	} {
		t.Run(tt.name, func(t *testing.T) {
			res := CallToolResult{Content: tt.content}
			res.SetError(tt.err)
			if !res.IsError {
				t.Fatal("want IsError=true")
			}
			if got := res.Content[0].(*TextContent).Text; got != tt.wantContent {
				t.Errorf("Content text = %q, want %q", got, tt.wantContent)
			}
			if got := res.GetError(); got != tt.err {
				t.Errorf("GetError() = %v, want %v", got, tt.err)
			}
		})
	}
}

var ctrCmpOpts = []cmp.Option{cmp.AllowUnexported(CallToolResult{})}