go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/common/testing/assert/should/equal_test.go (about)

     1  // Copyright 2024 The LUCI 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 should
    16  
    17  import (
    18  	"testing"
    19  
    20  	"go.chromium.org/luci/common/testing/typed"
    21  )
    22  
    23  // TestEqual checks whether two things are equal.
    24  func TestEqual(t *testing.T) {
    25  	t.Parallel()
    26  
    27  	cases := []struct {
    28  		name string
    29  		lhs  interface{}
    30  		rhs  interface{}
    31  		ok   bool
    32  	}{
    33  		{
    34  			name: "empty",
    35  			lhs:  nil,
    36  			rhs:  nil,
    37  			ok:   true,
    38  		},
    39  		{
    40  			name: "nil vs non-nil",
    41  			lhs:  nil,
    42  			rhs:  7,
    43  			ok:   false,
    44  		},
    45  	}
    46  
    47  	for _, tt := range cases {
    48  		tt := tt
    49  		t.Run(tt.name, func(t *testing.T) {
    50  			t.Parallel()
    51  
    52  			got := Equal(tt.lhs)(tt.rhs) == nil
    53  			want := tt.ok
    54  			if diff := typed.Got(got).Want(want).Diff(); diff != "" {
    55  				t.Errorf("unexpected diff (-want +got): %s", diff)
    56  			}
    57  		})
    58  	}
    59  }