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labels: add a test for JSON and YAML marshalling

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Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
This commit is contained in:
Bryan Boreham 2022-07-18 16:42:09 +01:00 committed by Julien Pivotto
parent 10699c37a3
commit a7f19b5775
1 changed files with 51 additions and 0 deletions
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51
model/labels/labels_test.go
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@ -14,11 +14,13 @@
package labels
import (
"encoding/json"
"fmt"
"strings"
"testing"
"github.com/stretchr/testify/require"
yaml "gopkg.in/yaml.v2"
)
func TestLabels_String(t *testing.T) {
@ -788,3 +790,52 @@ func BenchmarkLabels_Hash(b *testing.B) {
})
}
}
func TestMarshaling(t *testing.T) {
lbls := FromStrings("aaa", "111", "bbb", "2222", "ccc", "33333")
expectedJSON := "{\"aaa\":\"111\",\"bbb\":\"2222\",\"ccc\":\"33333\"}"
b, err := json.Marshal(lbls)
require.NoError(t, err)
require.Equal(t, expectedJSON, string(b))
var gotJ Labels
err = json.Unmarshal(b, &gotJ)
require.NoError(t, err)
require.Equal(t, lbls, gotJ)
expectedYAML := "aaa: \"111\"\nbbb: \"2222\"\nccc: \"33333\"\n"
b, err = yaml.Marshal(lbls)
require.NoError(t, err)
require.Equal(t, expectedYAML, string(b))
var gotY Labels
err = yaml.Unmarshal(b, &gotY)
require.NoError(t, err)
require.Equal(t, lbls, gotY)
// Now in a struct with a tag
type foo struct {
ALabels Labels `json:"a_labels,omitempty" yaml:"a_labels,omitempty"`
}
f := foo{ALabels: lbls}
b, err = json.Marshal(f)
require.NoError(t, err)
expectedJSONFromStruct := "{\"a_labels\":" + expectedJSON + "}"
require.Equal(t, expectedJSONFromStruct, string(b))
var gotFJ foo
err = json.Unmarshal(b, &gotFJ)
require.NoError(t, err)
require.Equal(t, f, gotFJ)
b, err = yaml.Marshal(f)
require.NoError(t, err)
expectedYAMLFromStruct := "a_labels:\n aaa: \"111\"\n bbb: \"2222\"\n ccc: \"33333\"\n"
require.Equal(t, expectedYAMLFromStruct, string(b))
var gotFY foo
err = yaml.Unmarshal(b, &gotFY)
require.NoError(t, err)
require.Equal(t, f, gotFY)
}