github.imxd.top/operator-framework/operator-sdk@v0.8.2/pkg/ansible/operator/operator_test.go (about)

     1  // Copyright 2018 The Operator-SDK Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package operator
    16  
    17  import (
    18  	"os"
    19  	"strconv"
    20  	"testing"
    21  
    22  	"k8s.io/apimachinery/pkg/runtime/schema"
    23  
    24  	"github.com/stretchr/testify/assert"
    25  )
    26  
    27  // TODO: add a test for the Run method
    28  
    29  func TestFormatEnvVar(t *testing.T) {
    30  	testCases := []struct {
    31  		name     string
    32  		kind     string
    33  		group    string
    34  		expected string
    35  	}{
    36  		{
    37  			name:     "easy path",
    38  			kind:     "FooCluster",
    39  			group:    "cache.example.com",
    40  			expected: "WORKER_FOOCLUSTER_CACHE_EXAMPLE_COM",
    41  		},
    42  		{
    43  			name:     "missing kind",
    44  			kind:     "",
    45  			group:    "cache.example.com",
    46  			expected: "WORKER__CACHE_EXAMPLE_COM",
    47  		},
    48  		{
    49  			name:     "missing group",
    50  			kind:     "FooCluster",
    51  			group:    "",
    52  			expected: "WORKER_FOOCLUSTER_",
    53  		},
    54  	}
    55  
    56  	for _, tc := range testCases {
    57  		t.Run(tc.name, func(t *testing.T) {
    58  			assert.Equal(t, tc.expected, formatEnvVar(tc.kind, tc.group))
    59  		})
    60  	}
    61  }
    62  
    63  func TestMaxWorkers(t *testing.T) {
    64  	testCases := []struct {
    65  		name      string
    66  		gvk       schema.GroupVersionKind
    67  		defvalue  int
    68  		expected  int
    69  		setenvvar bool
    70  	}{
    71  		{
    72  			name: "no env, use default value",
    73  			gvk: schema.GroupVersionKind{
    74  				Group:   "cache.example.com",
    75  				Version: "v1alpha1",
    76  				Kind:    "MemCacheService",
    77  			},
    78  			defvalue:  1,
    79  			expected:  1,
    80  			setenvvar: false,
    81  		},
    82  		{
    83  			name: "env set to 3, expect 3",
    84  			gvk: schema.GroupVersionKind{
    85  				Group:   "cache.example.com",
    86  				Version: "v1alpha1",
    87  				Kind:    "MemCacheService",
    88  			},
    89  			defvalue:  1,
    90  			expected:  3,
    91  			setenvvar: true,
    92  		},
    93  	}
    94  
    95  	for _, tc := range testCases {
    96  		t.Run(tc.name, func(t *testing.T) {
    97  			os.Unsetenv(formatEnvVar(tc.gvk.Kind, tc.gvk.Group))
    98  			if tc.setenvvar {
    99  				os.Setenv(formatEnvVar(tc.gvk.Kind, tc.gvk.Group), strconv.Itoa(tc.expected))
   100  			}
   101  			assert.Equal(t, tc.expected, getMaxWorkers(tc.gvk, tc.defvalue))
   102  		})
   103  	}
   104  }