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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,149 @@ | ||
| package terraform | ||
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| import ( | ||
| "errors" | ||
| "fmt" | ||
| "io/ioutil" | ||
| "reflect" | ||
| "testing" | ||
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| "github.com/hashicorp/hcl" | ||
| "github.com/stretchr/testify/require" | ||
| ) | ||
|
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| // GetVariableAsStringFromVarFile Gets the string represention of a variable from a provided input file found in VarFile | ||
| // For list or map, use GetVariableAsListFromVarFile or GetVariableAsMapFromVarFile, respectively. | ||
| func GetVariableAsStringFromVarFile(t *testing.T, fileName string, key string) string { | ||
| result, err := GetVariableAsStringFromVarFileE(t, fileName, key) | ||
| require.NoError(t, err) | ||
|
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| return result | ||
| } | ||
|
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| // GetVariableAsStringFromVarFileE Gets the string represention of a variable from a provided input file found in VarFile | ||
| // Will return an error if GetAllVariablesFromVarFileE returns an error or the key provided does not exist in the file. | ||
| // For list or map, use GetVariableAsListFromVarFile or GetVariableAsMapFromVarFile, respectively. | ||
| func GetVariableAsStringFromVarFileE(t *testing.T, fileName string, key string) (string, error) { | ||
| var variables map[string]interface{} | ||
|
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| err := GetAllVariablesFromVarFileE(t, fileName, &variables) | ||
|
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| if err != nil { | ||
| return "", err | ||
| } | ||
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| variable, exists := variables[key] | ||
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| if !exists { | ||
| return "", InputFileKeyNotFound{FilePath: fileName, Key: key} | ||
| } | ||
|
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| return fmt.Sprintf("%v", variable), nil | ||
| } | ||
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| // GetVariableAsMapFromVarFile Gets the map represention of a variable from a provided input file found in VarFile | ||
| // Note that this returns a map of strings. For maps containing complex types, use GetAllVariablesFromVarFile. | ||
| func GetVariableAsMapFromVarFile(t *testing.T, fileName string, key string) map[string]string { | ||
| result, err := GetVariableAsMapFromVarFileE(t, fileName, key) | ||
| require.NoError(t, err) | ||
|
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| return result | ||
| } | ||
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| // GetVariableAsMapFromVarFileE Gets the map represention of a variable from a provided input file found in VarFile. | ||
| // Note that this returns a map of strings. For maps containing complex types, use GetAllVariablesFromVarFile | ||
| // Returns an error if GetAllVariablesFromVarFileE returns an error, the key provided does not exist, or the value associated with the key is not a map | ||
| func GetVariableAsMapFromVarFileE(t *testing.T, fileName string, key string) (map[string]string, error) { | ||
| var variables map[string]interface{} | ||
|
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| resultMap := make(map[string]string) | ||
| err := GetAllVariablesFromVarFileE(t, fileName, &variables) | ||
|
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| if err != nil { | ||
| return nil, err | ||
| } | ||
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| variable, exists := variables[key] | ||
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| if !exists { | ||
| return nil, InputFileKeyNotFound{FilePath: fileName, Key: key} | ||
| } | ||
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| if reflect.TypeOf(variable).String() != "[]map[string]interface {}" { | ||
| return nil, UnexpectedOutputType{Key: key, ExpectedType: "[]map[string]interface {}", ActualType: reflect.TypeOf(variable).String()} | ||
| } | ||
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| mapKeys := variable.([]map[string]interface{}) | ||
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| if len(mapKeys) == 0 { | ||
| return nil, errors.New("no map keys could be found for given map") | ||
| } | ||
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| for mapKey, mapVal := range mapKeys[0] { | ||
| resultMap[mapKey] = fmt.Sprintf("%v", mapVal) | ||
| } | ||
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| return resultMap, nil | ||
| } | ||
|
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| // GetVariableAsListFromVarFile Gets the string list represention of a variable from a provided input file found in VarFile | ||
| // Note that this returns a list of strings. For lists containing complex types, use GetAllVariablesFromVarFile. | ||
| func GetVariableAsListFromVarFile(t *testing.T, fileName string, key string) []string { | ||
| result, err := GetVariableAsListFromVarFileE(t, fileName, key) | ||
| require.NoError(t, err) | ||
|
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| return result | ||
| } | ||
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| // GetVariableAsListFromVarFileE Gets the string list represention of a variable from a provided input file found in VarFile | ||
| // Note that this returns a list of strings. For lists containing complex types, use GetAllVariablesFromVarFile. | ||
| // Will return error if GetAllVariablesFromVarFileE returns an error, the key provided does not exist, or the value associated with the key is not a list | ||
| func GetVariableAsListFromVarFileE(t *testing.T, fileName string, key string) ([]string, error) { | ||
| var variables map[string]interface{} | ||
| resultArray := []string{} | ||
| err := GetAllVariablesFromVarFileE(t, fileName, &variables) | ||
|
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| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| variable, exists := variables[key] | ||
|
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| if !exists { | ||
| return nil, InputFileKeyNotFound{FilePath: fileName, Key: key} | ||
| } | ||
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| if reflect.TypeOf(variable).String() != "[]interface {}" { | ||
| return nil, UnexpectedOutputType{Key: key, ExpectedType: "[]interface {}", ActualType: reflect.TypeOf(variable).String()} | ||
| } | ||
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| for _, item := range variable.([]interface{}) { | ||
| resultArray = append(resultArray, fmt.Sprintf("%v", item)) | ||
| } | ||
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| return resultArray, nil | ||
| } | ||
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| // GetAllVariablesFromVarFile Parses all data from a provided input file found in VarFile and stores the result in the value pointed to by out | ||
| func GetAllVariablesFromVarFile(t *testing.T, fileName string, out interface{}) { | ||
| err := GetAllVariablesFromVarFileE(t, fileName, out) | ||
| require.NoError(t, err) | ||
| } | ||
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| // GetAllVariablesFromVarFileE Parses all data from a provided input file found ind in VarFile and stores the result in the value pointed to by out | ||
| // Returns an error if the specified file does not exist, the specified file is not readable, or the specified file cannot be decoded from HCL | ||
| func GetAllVariablesFromVarFileE(t *testing.T, fileName string, out interface{}) error { | ||
| fileContents, err := ioutil.ReadFile(fileName) | ||
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| if err != nil { | ||
| return err | ||
| } | ||
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| err = hcl.Decode(out, string(fileContents)) | ||
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| if err != nil { | ||
| return HclDecodeError{FilePath: fileName, ErrorText: err.Error()} | ||
| } | ||
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| return nil | ||
| } |
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