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package data |
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import ( |
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"context" |
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"fmt" |
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"github.com/lucasjones/reggen" |
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8
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"github.com/getkin/kin-openapi/openapi3" |
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"github.com/pkg/errors" |
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) |
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type stringGenerator struct { |
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random randomGenerator |
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textGenerator schemaGenerator |
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formatGenerators map[string]stringGeneratorFunction |
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} |
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func newStringGenerator(random randomGenerator) schemaGenerator { |
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generator := &rangedTextGenerator{ |
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random: random, |
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} |
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return &stringGenerator{ |
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random: random, |
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textGenerator: &textGenerator{generator: generator}, |
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formatGenerators: defaultFormattedStringGenerators(generator), |
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} |
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} |
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func (generator *stringGenerator) GenerateDataBySchema(ctx context.Context, schema *openapi3.Schema) (Data, error) { |
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var value Data |
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var err error |
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1 |
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maxLength := 0 |
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1 |
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if schema.MaxLength != nil { |
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maxLength = int(*schema.MaxLength) |
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} |
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1 |
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if len(schema.Enum) > 0 { |
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value = generator.getRandomEnumValue(schema.Enum) |
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} else if schema.Pattern != "" { |
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value, err = generator.generateValueByPattern(schema.Pattern, maxLength) |
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} else if formatGenerator, isSupported := generator.formatGenerators[schema.Format]; isSupported { |
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value = formatGenerator(int(schema.MinLength), maxLength) |
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} else { |
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1 |
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value, err = generator.textGenerator.GenerateDataBySchema(ctx, schema) |
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} |
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return value, err |
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} |
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func (generator *stringGenerator) getRandomEnumValue(enum []interface{}) string { |
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return fmt.Sprint(enum[generator.random.Intn(len(enum))]) |
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} |
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func (generator *stringGenerator) generateValueByPattern(pattern string, maxLength int) (string, error) { |
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g, err := reggen.NewGenerator(pattern) |
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if err != nil { |
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return "", errors.WithStack(&ErrGenerationFailed{ |
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GeneratorID: "stringGenerator", |
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Message: fmt.Sprintf("cannot generate string value by pattern '%s'", pattern), |
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Previous: err, |
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}) |
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} |
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1 |
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if maxLength <= 0 { |
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maxLength = defaultMaxLength |
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} |
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value := g.Generate(maxLength) |
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return value, nil |
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} |
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muonsoft /
openapi-mock
