go.uber.org/yarpc@v1.72.1/internal/interpolate/types_test.go (about)

     1  // Copyright (c) 2022 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package interpolate
    22  
    23  import (
    24  	"testing"
    25  
    26  	"github.com/stretchr/testify/assert"
    27  )
    28  
    29  func TestRender(t *testing.T) {
    30  	tests := []struct {
    31  		give String
    32  		vars map[string]string
    33  
    34  		want    string
    35  		wantErr string
    36  	}{
    37  		{
    38  			give: String{literal("foo "), literal("bar")},
    39  			want: "foo bar",
    40  		},
    41  		{
    42  			give: String{literal("foo"), variable{Name: "bar"}},
    43  			vars: map[string]string{"bar": "baz"},
    44  			want: "foobaz",
    45  		},
    46  		{
    47  			give:    String{literal("foo"), variable{Name: "baz"}},
    48  			vars:    map[string]string{"foo": "bar"},
    49  			wantErr: `variable "baz" does not have a value or a default`,
    50  		},
    51  	}
    52  
    53  	for _, tt := range tests {
    54  		got, err := tt.give.Render(mapResolver(tt.vars))
    55  		if tt.wantErr != "" {
    56  			if assert.Error(t, err) {
    57  				assert.Contains(t, err.Error(), tt.wantErr)
    58  			}
    59  			continue
    60  		}
    61  
    62  		if assert.NoError(t, err) {
    63  			assert.Equal(t, tt.want, got)
    64  		}
    65  	}
    66  }