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/*
* Copyright © 2020 Samsung Electronics
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package plugin
import (
"github.com/onap/multicloud-k8s/src/k8splugin/internal/utils"
"testing"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"github.com/onap/multicloud-k8s/src/k8splugin/internal/config"
)
func TestTagPodsIfPresent(t *testing.T) {
testCases := []struct{
testName string
inputUnstructSrc string
valueToTag string
shouldFailBeforeCheck bool //This flag provides information if .spec.template.metadata.labels path should be reachable or not
}{
{
testName: "Resource with no child PodTemplateSpec",
inputUnstructSrc: "../../mock_files/mock_yamls/configmap.yaml",
valueToTag: "test1",
shouldFailBeforeCheck: true,
},
{
testName: "Deployment with PodTemplateSpec",
inputUnstructSrc: "../../mock_files/mock_yamls/deployment.yaml",
valueToTag: "test2",
shouldFailBeforeCheck: false,
},
}
for _, testCase := range testCases {
t.Run(testCase.testName, func(t *testing.T){
holderUnstr := new(unstructured.Unstructured)
_, err := utils.DecodeYAML(testCase.inputUnstructSrc, holderUnstr)
if err != nil {
t.Fatal("Couldn't decode Yaml:", err)
}
TagPodsIfPresent(holderUnstr, testCase.valueToTag)
t.Log(holderUnstr)
var labelsFinder map[string]interface{} = holderUnstr.Object
var ok bool
for _, key := range []string{"spec", "template", "metadata", "labels"} {
labelsFinder, ok = labelsFinder[key].(map[string]interface{})
if !ok {
if testCase.shouldFailBeforeCheck {
return
} else {
t.Fatalf("Error converting %s to map", key)
}
}
}
if testCase.shouldFailBeforeCheck {
t.Fatal("Error, nested element '.spec.template.metadata.labels' shouldn't be reachable")
}
label, ok := labelsFinder[config.GetConfiguration().KubernetesLabelName].(string)
if !ok {
t.Fatalf("Error extracting string label '%s'", config.GetConfiguration().KubernetesLabelName)
}
if label != testCase.valueToTag {
t.Fatalf("Error, expected label '%s' but received '%s'", testCase.valueToTag, label)
}
})
}
}
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