Test_NewErrorf_Format() — fiber Function Reference

Architecture documentation for the Test_NewErrorf_Format() function in app_test.go from the fiber codebase.

Function go FiberCore Context

Entity Profile

FiberCore→ Context→ Test_NewErrorf_Format() — fiber Function Reference

Dependency Diagram

graph TD
  a65f1caa_7d5c_6753_8138_8bb86b89c0c3["Test_NewErrorf_Format()"]
  e728fdd2_242f_706b_c1d2_041b3d6badb5["app_test.go"]
  a65f1caa_7d5c_6753_8138_8bb86b89c0c3 -->|defined in| e728fdd2_242f_706b_c1d2_041b3d6badb5
  style a65f1caa_7d5c_6753_8138_8bb86b89c0c3 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

app_test.go lines 1902–1965

func Test_NewErrorf_Format(t *testing.T) {
	t.Parallel()

	type args []any

	tests := []struct {
		name string
		want string
		in   args
		code int
	}{
		{
			name: "no-args → default text",
			code: StatusNotFound,
			in:   nil,
			want: utils.StatusMessage(StatusNotFound),
		},
		{
			name: "single-string arg overrides",
			code: StatusBadRequest,
			in:   args{"custom bad request"},
			want: "custom bad request",
		},
		{
			name: "single non-string arg stringified",
			code: StatusInternalServerError,
			in:   args{errors.New("db down")},
			want: "db down",
		},
		{
			name: "single nil interface",
			code: StatusInternalServerError,
			in:   args{any(nil)},
			want: "<nil>",
		},
		{
			name: "format string + args",
			code: StatusBadRequest,
			in:   args{"invalid id %d", 10},
			want: "invalid id 10",
		},
		{
			name: "format string + excess args",
			code: StatusBadRequest,
			in:   args{"odd %d", 1, 2, 3},
			want: "odd 1%!(EXTRA int=2, int=3)",
		},
		{
			name: "≥2 args but first not string",
			code: StatusBadRequest,
			in:   args{errors.New("boom"), 42},
			want: "boom",
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			t.Parallel()
			e := NewErrorf(tt.code, tt.in...)
			require.Equal(t, tt.code, e.Code)
			require.Equal(t, tt.want, e.Message)
		})
	}
}