Tests

Author: martijn00

test/src/bool/has_numeric_chars_validator_test.dart

@@ -1,8 +1,79 @@
 import 'package:faker_dart/faker_dart.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:form_builder_validators/form_builder_validators.dart';
 
 void main() {
   final Faker faker = Faker.instance;
   final String customErrorMessage = faker.lorem.sentence();
-  group('Email -', () {});
+  group('Has numeric chars -', () {
+    test('should return null when the value has at least 1 numeric character',
+        () {
+      // Arrange
+      final HasNumericCharsValidator validator = HasNumericCharsValidator();
+      const String value = 'abc123';
+
+      // Act
+      final String? result = validator.validate(value);
+
+      // Assert
+      expect(result, isNull);
+    });
+
+    test('should return null when the value has at least 3 numeric characters',
+        () {
+      // Arrange
+      final HasNumericCharsValidator validator =
+          HasNumericCharsValidator(atLeast: 3);
+      const String value = 'a1b2c3';
+
+      // Act
+      final String? result = validator.validate(value);
+
+      // Assert
+      expect(result, isNull);
+    });
+
+    test(
+        'should return the error message when the value has no numeric characters',
+        () {
+      // Arrange
+      final HasNumericCharsValidator validator =
+          HasNumericCharsValidator(errorText: customErrorMessage);
+      const String value = 'abc';
+
+      // Act
+      final String? result = validator.validate(value);
+
+      // Assert
+      expect(result, equals(customErrorMessage));
+    });
+
+    test(
+        'should return the error message when the value has less than 3 numeric characters',
+        () {
+      // Arrange
+      final HasNumericCharsValidator validator =
+          HasNumericCharsValidator(atLeast: 3, errorText: customErrorMessage);
+      const String value = 'a1b';
+
+      // Act
+      final String? result = validator.validate(value);
+
+      // Assert
+      expect(result, equals(customErrorMessage));
+    });
+
+    test('should return the error message when the value is empty', () {
+      // Arrange
+      final HasNumericCharsValidator validator =
+          HasNumericCharsValidator(errorText: customErrorMessage);
+      const String value = '';
+
+      // Act
+      final String? result = validator.validate(value);
+
+      // Assert
+      expect(result, equals(customErrorMessage));
+    });
+  });
 }