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package yaml_utils
import "testing"
func TestUpdateYaml(t *testing.T) {
tests := []struct {
name string
in string
path []string
value string
expectedOut string
expectedErr string
}{
{
name: "update value",
in: "foo: bar\n",
path: []string{"foo"},
value: "baz",
expectedOut: "foo: baz\n",
expectedErr: "",
},
{
name: "add new key and value",
in: "foo: bar\n",
path: []string{"foo2"},
value: "baz",
expectedOut: "foo: bar\nfoo2: baz\n",
expectedErr: "",
},
{
name: "preserve inline comment",
in: "foo: bar # my comment\n",
path: []string{"foo2"},
value: "baz",
expectedOut: "foo: bar # my comment\nfoo2: baz\n",
expectedErr: "",
},
{
name: "nested update",
in: "foo:\n bar: baz\n",
path: []string{"foo", "bar"},
value: "qux",
// indentation is not preserved. See https://github.com/go-yaml/yaml/issues/899
expectedOut: "foo:\n bar: qux\n",
expectedErr: "",
},
}
for _, test := range tests {
test := test
t.Run(test.name, func(t *testing.T) {
out, err := UpdateYaml([]byte(test.in), test.path, test.value)
if test.expectedErr != "" {
if err == nil {
t.Errorf("expected error %q but got none", test.expectedErr)
}
} else if err != nil {
t.Errorf("unexpected error: %v", err)
} else if string(out) != test.expectedOut {
t.Errorf("expected %q but got %q", test.expectedOut, string(out))
}
})
}
}
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