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-rw-r--r--src/k8splugin/krd/plugins.go14
-rw-r--r--src/k8splugin/krd/plugins_test.go95
2 files changed, 104 insertions, 5 deletions
diff --git a/src/k8splugin/krd/plugins.go b/src/k8splugin/krd/plugins.go
index 41b83226..9ccb04fa 100644
--- a/src/k8splugin/krd/plugins.go
+++ b/src/k8splugin/krd/plugins.go
@@ -38,21 +38,25 @@ type ResourceData struct {
// DecodeYAML reads a YAMl file to extract the Kubernetes object definition
var DecodeYAML = func(path string) (runtime.Object, error) {
- if _, err := os.Stat(path); os.IsNotExist(err) {
- return nil, pkgerrors.New("File " + path + " not found")
+ if _, err := os.Stat(path); err != nil {
+ if os.IsNotExist(err) {
+ return nil, pkgerrors.New("File " + path + " not found")
+ } else {
+ return nil, pkgerrors.Wrap(err, "Stat file error")
+ }
}
- log.Println("Reading deployment YAML")
+ log.Println("Reading YAML file")
rawBytes, err := ioutil.ReadFile(path)
if err != nil {
- return nil, pkgerrors.Wrap(err, "Deployment YAML file read error")
+ return nil, pkgerrors.Wrap(err, "Read YAML file error")
}
log.Println("Decoding deployment YAML")
decode := scheme.Codecs.UniversalDeserializer().Decode
obj, _, err := decode(rawBytes, nil, nil)
if err != nil {
- return nil, pkgerrors.Wrap(err, "Deserialize deployment error")
+ return nil, pkgerrors.Wrap(err, "Deserialize YAML error")
}
return obj, nil
diff --git a/src/k8splugin/krd/plugins_test.go b/src/k8splugin/krd/plugins_test.go
new file mode 100644
index 00000000..81d2784e
--- /dev/null
+++ b/src/k8splugin/krd/plugins_test.go
@@ -0,0 +1,95 @@
+// +build unit
+
+/*
+Copyright 2018 Intel Corporation.
+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 krd
+
+import (
+ "strings"
+ "testing"
+
+ appsV1 "k8s.io/api/apps/v1"
+ coreV1 "k8s.io/api/core/v1"
+ metaV1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+ "k8s.io/apimachinery/pkg/runtime"
+)
+
+func TestDecodeYAML(t *testing.T) {
+ testCases := []struct {
+ label string
+ input string
+ expectedResult runtime.Object
+ expectedError string
+ }{
+ {
+ label: "Fail to read non-existing YAML file",
+ input: "unexisting-file.yaml",
+ expectedError: "not found",
+ },
+ {
+ label: "Fail to read invalid YAML format",
+ input: "./plugins_test.go",
+ expectedError: "mapping values are not allowed in this contex",
+ },
+ {
+ label: "Successfully read YAML file",
+ input: "../mock_files/mock_yamls/deployment.yaml",
+ expectedResult: &appsV1.Deployment{
+ ObjectMeta: metaV1.ObjectMeta{
+ Name: "mock-deployment",
+ },
+ Spec: appsV1.DeploymentSpec{
+ Template: coreV1.PodTemplateSpec{
+ ObjectMeta: metaV1.ObjectMeta{
+ Labels: map[string]string{"app": "sise"},
+ },
+ Spec: coreV1.PodSpec{
+ Containers: []coreV1.Container{
+ coreV1.Container{
+ Name: "sise",
+ Image: "mhausenblas/simpleservice:0.5.0",
+ },
+ },
+ },
+ },
+ },
+ },
+ },
+ }
+
+ for _, testCase := range testCases {
+ t.Run(testCase.label, func(t *testing.T) {
+ result, err := DecodeYAML(testCase.input)
+ if err != nil {
+ if testCase.expectedError == "" {
+ t.Fatalf("Decode YAML method return an un-expected (%s)", err)
+ }
+ if !strings.Contains(string(err.Error()), testCase.expectedError) {
+ t.Fatalf("Decode YAML method returned an error (%s)", err)
+ }
+ } else {
+ if testCase.expectedError != "" && testCase.expectedResult == nil {
+ t.Fatalf("Decode YAML method was expecting \"%s\" error message", testCase.expectedError)
+ }
+ if result == nil {
+ t.Fatal("Decode YAML method returned nil result")
+ }
+ // if !reflect.DeepEqual(testCase.expectedResult, result) {
+
+ // t.Fatalf("Decode YAML method returned: \n%v\n and it was expected: \n%v", result, testCase.expectedResult)
+ // }
+ }
+ })
+ }
+}