github.com/drone/go-convert@v0.0.0-20240307072510-6bd371c65e61/convert/github/yaml/strings_test.go (about)

     1  // Copyright 2022 Harness, Inc.
     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 yaml
    16  
    17  import (
    18  	"testing"
    19  
    20  	"github.com/google/go-cmp/cmp"
    21  	"gopkg.in/yaml.v3"
    22  )
    23  
    24  func TestStrings(t *testing.T) {
    25  	tests := []struct {
    26  		yaml string
    27  		want Stringorslice
    28  	}{
    29  		{
    30  			yaml: `"hello"`,
    31  			want: Stringorslice{"hello"},
    32  		},
    33  		{
    34  			yaml: `[ "hello", "world" ]`,
    35  			want: Stringorslice{"hello", "world"},
    36  		},
    37  		{
    38  			yaml: `[ "hello", 1, true, 100.1 ]`,
    39  			want: Stringorslice{"hello", "1", "true", "100.1"},
    40  		},
    41  		{
    42  			yaml: `[ ]`,
    43  			want: nil,
    44  		},
    45  	}
    46  
    47  	for i, test := range tests {
    48  		got := new(Stringorslice)
    49  		if err := yaml.Unmarshal([]byte(test.yaml), got); err != nil {
    50  			t.Error(err)
    51  			return
    52  		}
    53  		if diff := cmp.Diff(got, &test.want); diff != "" {
    54  			t.Errorf("Unexpected parsing results for test %v", i)
    55  			t.Log(diff)
    56  		}
    57  	}
    58  }
    59  
    60  func TestStrings_Error(t *testing.T) {
    61  	if err := yaml.Unmarshal([]byte("{}"), new(Stringorslice)); err == nil {
    62  		t.Errorf("Expect error when unmarshaling a into a string slice")
    63  	}
    64  
    65  	if err := yaml.Unmarshal([]byte("[{}]"), new(Stringorslice)); err == nil {
    66  		t.Errorf("Expect error when unmarshaling a struct slice into a string slice")
    67  	}
    68  }