github.com/Microsoft/fabrikate@v0.0.0-20190420002442-bff75be28d02/core/componentConfig_test.go (about)

     1  package core
     2  
     3  import (
     4  	"io/ioutil"
     5  	"os"
     6  	"testing"
     7  
     8  	"github.com/stretchr/testify/assert"
     9  )
    10  
    11  func TestLoad(t *testing.T) {
    12  	config := ComponentConfig{
    13  		Path: "../test/fixtures/load",
    14  	}
    15  
    16  	err := config.Load("test")
    17  	assert.Nil(t, err)
    18  
    19  	assert.Equal(t, "bar", config.Config["foo"])
    20  	assert.Equal(t, "myapp", config.Namespace)
    21  }
    22  
    23  func TestMerge(t *testing.T) {
    24  	currentConfig := NewComponentConfig("../test/fixtures/merge")
    25  	err := currentConfig.Load("current")
    26  	assert.Nil(t, err)
    27  
    28  	newConfig := NewComponentConfig("../test/fixtures/merge")
    29  	err = newConfig.Load("new")
    30  	assert.Nil(t, err)
    31  
    32  	err = currentConfig.Merge(newConfig)
    33  	assert.Nil(t, err)
    34  
    35  	jaegerSubcomponent := currentConfig.Subcomponents["jaeger"]
    36  
    37  	provisionConfig := jaegerSubcomponent.Config["provisionDataStore"].(map[string]interface{})
    38  
    39  	cassandraValue := provisionConfig["cassandra"].(bool)
    40  	assert.Equal(t, false, cassandraValue)
    41  
    42  	elasticsearchValue := provisionConfig["elasticsearch"].(bool)
    43  	assert.Equal(t, false, elasticsearchValue)
    44  
    45  	mixed := provisionConfig["mixed"].(int)
    46  	assert.Equal(t, 1, mixed)
    47  
    48  	sliceValues := provisionConfig["slice"].([]interface{})
    49  	assert.Equal(t, 1, sliceValues[1].(int))
    50  }
    51  
    52  func TestSet(t *testing.T) {
    53  	config := NewComponentConfig("../test/fixtures/load")
    54  
    55  	err := config.Load("test")
    56  	assert.Nil(t, err)
    57  
    58  	// can override a config value successfully
    59  	config.SetConfig([]string{}, []string{"foo"}, "fee")
    60  	assert.Equal(t, "fee", config.Config["foo"])
    61  
    62  	// can create a value successfully
    63  	config.SetConfig([]string{}, []string{"new"}, "value")
    64  	assert.Equal(t, "value", config.Config["new"])
    65  
    66  	// can override a subcomponent value successfully
    67  	config.SetConfig([]string{"myapp"}, []string{"zoo"}, "zee")
    68  	assert.Equal(t, "zee", config.Subcomponents["myapp"].Config["zoo"])
    69  
    70  	// can create a new deeper subcomponent config level successfully
    71  	config.SetConfig([]string{"myapp"}, []string{"data", "storageClass"}, "fast")
    72  	dataMap := config.Subcomponents["myapp"].Config["data"].(map[string]interface{})
    73  	assert.Equal(t, "fast", dataMap["storageClass"])
    74  }
    75  
    76  func TestWriteYAML(t *testing.T) {
    77  	_ = os.Remove("../test/fixtures/write/config/test.yaml")
    78  
    79  	config := ComponentConfig{
    80  		Path:          "../test/fixtures/write",
    81  		Serialization: "yaml",
    82  		Config: map[string]interface{}{
    83  			"foo": "bar",
    84  		},
    85  		Subcomponents: map[string]ComponentConfig{
    86  			"myapp": ComponentConfig{
    87  				Config: map[string]interface{}{
    88  					"zoo": "zar",
    89  				},
    90  			},
    91  		},
    92  	}
    93  
    94  	err := config.Write("test")
    95  	assert.Nil(t, err)
    96  
    97  	configContents, err := ioutil.ReadFile("../test/fixtures/write/config/test.yaml")
    98  	assert.Nil(t, err)
    99  	assert.Equal(t, 70, len(configContents))
   100  }
   101  
   102  func TestWriteJSON(t *testing.T) {
   103  	_ = os.Remove("../test/fixtures/write/config/test.json")
   104  
   105  	config := ComponentConfig{
   106  		Path:          "../test/fixtures/write",
   107  		Serialization: "json",
   108  		Config: map[string]interface{}{
   109  			"foo": "bar",
   110  		},
   111  		Subcomponents: map[string]ComponentConfig{
   112  			"myapp": ComponentConfig{
   113  				Config: map[string]interface{}{
   114  					"zoo": "zar",
   115  				},
   116  			},
   117  		},
   118  	}
   119  
   120  	err := config.Write("test")
   121  	assert.Nil(t, err)
   122  
   123  	configContents, err := ioutil.ReadFile("../test/fixtures/write/config/test.json")
   124  	assert.Nil(t, err)
   125  	assert.Equal(t, 132, len(configContents))
   126  }