github.com/mirantis/virtlet@v1.5.2-0.20191204181327-1659b8a48e9b/pkg/tools/kubeyaml_test.go (about)

     1  /*
     2  Copyright 2018 Mirantis
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package tools
    18  
    19  import (
    20  	"reflect"
    21  	"testing"
    22  
    23  	"github.com/Mirantis/virtlet/tests/gm"
    24  	"github.com/davecgh/go-spew/spew"
    25  	v1 "k8s.io/api/core/v1"
    26  )
    27  
    28  func TestLoadStoreYaml(t *testing.T) {
    29  	tstYaml := `---
    30  apiVersion: v1
    31  kind: ServiceAccount
    32  metadata:
    33    name: virtlet
    34    namespace: kube-system
    35  ---
    36  apiVersion: v1
    37  kind: Pod
    38  metadata:
    39    name: test
    40  spec:
    41    containers:
    42    - name: tst
    43      image: docker.io/busybox`
    44  	objs, err := LoadYaml([]byte(tstYaml))
    45  	if err != nil {
    46  		t.Fatalf("LoadYaml: %v", err)
    47  	}
    48  	if len(objs) != 2 {
    49  		t.Errorf("expected 2 objects but got %d", len(objs))
    50  	} else {
    51  		if _, ok := objs[0].(*v1.ServiceAccount); !ok {
    52  			t.Errorf("expected *v1.ServiceAccount as the 1st object but got:\n%s", spew.Sdump(objs[0]))
    53  		}
    54  		if _, ok := objs[1].(*v1.Pod); !ok {
    55  			t.Errorf("expected *v1.Pod as the 2nd object but got:\n%s", spew.Sdump(objs[1]))
    56  		}
    57  	}
    58  	out, err := ToYaml(objs)
    59  	if err != nil {
    60  		t.Fatalf("ToYaml: %v", err)
    61  	}
    62  	reloaded, err := LoadYaml(out)
    63  	if err != nil {
    64  		t.Fatalf("reloading yaml: %v", err)
    65  	}
    66  	if !reflect.DeepEqual(objs, reloaded) {
    67  		t.Errorf("object changed after reloading. Was:\n%s\nReloaded:\n%s", spew.Sdump(objs), spew.Sdump(reloaded))
    68  	}
    69  	gm.Verify(t, gm.NewYamlVerifier(out))
    70  }