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package validation_test |
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import ( |
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"fmt" |
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"regexp" |
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"github.com/muonsoft/validation" |
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"github.com/muonsoft/validation/it" |
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"github.com/muonsoft/validation/validator" |
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) |
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type Document struct { |
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Title string |
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Keywords []string |
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} |
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func ExampleValidator_Validate_basicStructValidation() { |
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document := Document{ |
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Title: "", |
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Keywords: []string{""}, |
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} |
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err := validator.Validate( |
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validation.StringProperty("title", &document.Title, it.IsNotBlank()), |
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validation.CountableProperty("keywords", len(document.Keywords), it.HasCountBetween(2, 10)), |
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validation.EachStringProperty("keywords", document.Keywords, it.IsNotBlank()), |
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) |
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violations := err.(validation.ViolationList) |
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for _, violation := range violations { |
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fmt.Println(violation.Error()) |
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} |
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// Output: |
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// violation at 'title': This value should not be blank. |
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// violation at 'keywords': This collection should contain 2 elements or more. |
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// violation at 'keywords[0]': This value should not be blank. |
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} |
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func ExampleValidator_Validate_structValidationWithConditionalConstraint() { |
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document := Document{ |
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Title: "", |
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Keywords: []string{"123", "test"}, |
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} |
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err := validator.Validate( |
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validation.StringProperty("title", &document.Title, it.IsNotBlank()), |
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validation.CountableProperty("keywords", len(document.Keywords), it.HasCountBetween(2, 10)), |
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validation.EachStringProperty( |
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"keywords", |
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document.Keywords, |
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it.IsNotBlank(), |
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validation.When(len(document.Title) <= 5). |
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Then(it.Matches(regexp.MustCompile(`^\\d$`))). |
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Else(it.Matches(regexp.MustCompile(`^\\w$`))), |
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), |
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) |
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violations := err.(validation.ViolationList) |
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for _, violation := range violations { |
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fmt.Println(violation.Error()) |
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} |
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// Output: |
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// violation at 'title': This value should not be blank. |
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// violation at 'keywords': This collection should contain 2 elements or more. |
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// violation at 'keywords[1]': This value is not valid. |
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} |
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muonsoft /
validation
