istio.io/istio@v0.0.0-20240520182934-d79c90f27776/pkg/test/failer_test.go (about)

     1  // Copyright Istio Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package test
    16  
    17  import "testing"
    18  
    19  func TestWrapper(t *testing.T) {
    20  	t.Run("fail", func(t *testing.T) {
    21  		if err := Wrap(func(t Failer) {
    22  			t.Fatalf("failed")
    23  		}); err == nil {
    24  			t.Fatalf("expected error, got none")
    25  		}
    26  	})
    27  	t.Run("success", func(t *testing.T) {
    28  		if err := Wrap(func(t Failer) {}); err != nil {
    29  			t.Fatalf("expected no error, got: %v", err)
    30  		}
    31  	})
    32  	t.Run("cleanup", func(t *testing.T) {
    33  		done := false
    34  		if err := Wrap(func(t Failer) {
    35  			t.Cleanup(func() {
    36  				done = true
    37  			})
    38  		}); err != nil {
    39  			t.Fatalf("expected no error, got: %v", err)
    40  		}
    41  		if !done {
    42  			t.Fatalf("cleanup not triggered")
    43  		}
    44  	})
    45  }