Go HTTP Handler Test Boilerplate

handler_test.go

func Test_Handler(t *testing.T) {
	type fields struct {
		
	}
	type args struct {
		body string
	}
	type responseType struct{

	}
	tests := []struct {
		name           string
		fields         fields
		args           args
		wantStatusCode int
		wantResponse   responseType
	}{
		{
			name:           "",
			fields:         fields{},
			args:           args{
				body: "",
			},
			wantStatusCode: 200,
			wantResponse:   responseType{},
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			handler := CreateHandler(
				// TODO add fields
			)
			req := httptest.NewRequest(http.MethodGet, "/resource", strings.NewReader(tt.args.body))
			rec := httptest.NewRecorder()
			handler(rec, req)
			assert.Equal(t, tt.wantStatusCode, rec.Code)
			if tt.wantStatusCode/100 == 2 {
				var got responseType
				_ = json.NewDecoder(rec.Body).Decode(&got)
				assert.Equal(t, tt.wantResponse, got)
			}
		})
	}
}