github.com/erda-project/erda-infra@v1.0.9/base/servicehub/usage_test.go (about)

     1  // Copyright (c) 2021 Terminus, Inc.
     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 servicehub
    16  
    17  import (
    18  	"testing"
    19  )
    20  
    21  func TestUsage(t *testing.T) {
    22  	provider1 := testDefine{
    23  		"test1-provider",
    24  		&Spec{
    25  			Services:    []string{"test"},
    26  			Description: "this is provider for test1",
    27  			ConfigFunc: func() interface{} {
    28  				return &struct {
    29  					Message string `file:"message" flag:"msg" default:"hi" desc:"message to show" env:"TEST_MESSAGE"`
    30  				}{}
    31  			},
    32  			Creator: func() Provider {
    33  				return &struct{}{}
    34  			},
    35  		},
    36  	}
    37  	provider2 := testDefine{
    38  		"test2-provider",
    39  		&Spec{
    40  			Services:    []string{"test"},
    41  			Description: "this is provider for test2",
    42  			ConfigFunc: func() interface{} {
    43  				return &struct {
    44  					Name string `file:"name" flag:"name" default:"test" desc:"description for test" env:"TEST_NAME"`
    45  				}{}
    46  			},
    47  			Creator: func() Provider {
    48  				return &struct{}{}
    49  			},
    50  		},
    51  	}
    52  
    53  	type args struct {
    54  		names     []string
    55  		providers []testDefine
    56  	}
    57  	tests := []struct {
    58  		name string
    59  		args args
    60  		want string
    61  	}{
    62  		{
    63  			name: "test1",
    64  			args: args{
    65  				names:     []string{"test1-provider"},
    66  				providers: []testDefine{provider1},
    67  			},
    68  			want: `Service Providers:
    69  test1-provider
    70      this is provider for test1
    71      file:"message" flag:"msg" env:"TEST_MESSAGE" default:"hi" , message to show 
    72  `,
    73  		},
    74  		{
    75  			name: "test2",
    76  			args: args{
    77  				names:     []string{"test2-provider"},
    78  				providers: []testDefine{provider2},
    79  			},
    80  			want: `Service Providers:
    81  test2-provider
    82      this is provider for test2
    83      file:"name" flag:"name" env:"TEST_NAME" default:"test" , description for test 
    84  `,
    85  		},
    86  		{
    87  			name: "all providers",
    88  			args: args{
    89  				names: []string{"test1-provider", "test2-provider"},
    90  				providers: []testDefine{
    91  					provider1, provider2,
    92  				},
    93  			},
    94  			want: `Service Providers:
    95  test1-provider
    96      this is provider for test1
    97      file:"message" flag:"msg" env:"TEST_MESSAGE" default:"hi" , message to show 
    98  test2-provider
    99      this is provider for test2
   100      file:"name" flag:"name" env:"TEST_NAME" default:"test" , description for test 
   101  `,
   102  		},
   103  	}
   104  	for _, tt := range tests {
   105  		t.Run(tt.name, func(t *testing.T) {
   106  			for _, p := range tt.args.providers {
   107  				Register(p.name, p.spec)
   108  			}
   109  			if got := Usage(tt.args.names...); got != tt.want {
   110  				t.Errorf("Usage() = %v, want %v", got, tt.want)
   111  			}
   112  			for _, p := range tt.args.providers {
   113  				delete(serviceProviders, p.name)
   114  			}
   115  		})
   116  	}
   117  }