Implementação de Teste Unitário CustomValidators

HomeBrokerSPA/HomeBrokerChart/src/app/shared/validators/custom.validators.spec.ts

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+import { FormControl, FormGroup } from '@angular/forms';
+import { CustomValidators } from './custom.validators';
+
+describe('CustomValidators', () => {
+  it('should return null for a valid date range', () => {
+    const formGroup = new FormGroup({
+      filterStart: new FormControl('2024-01-01'),
+      filterEnd: new FormControl('2024-01-10'),
+    });
+
+    const result = CustomValidators.dateRange(formGroup);
+
+    expect(result).toBeNull();
+  });
+
+  it('should return error for an invalid date range (end date before start date)', () => {
+    const formGroup = new FormGroup({
+      filterStart: new FormControl('2024-01-10'),
+      filterEnd: new FormControl('2024-01-01'),
+    });
+
+    const result = CustomValidators.dateRange(formGroup);
+
+    expect(result).toEqual({ dateRange: 'A data final deve ser maior ou igual à data inicial' });
+  });
+
+  it('should return error for a date range with less than 5 days interval', () => {
+    const formGroup = new FormGroup({
+      filterStart: new FormControl('2024-01-01'),
+      filterEnd: new FormControl('2024-01-04'),
+    });
+
+    const result = CustomValidators.dateRange(formGroup);
+
+    expect(result).toEqual({ dateDifference: 'O intervalo entre as datas deve ser de pelo menos 5 dias' });
+  });
+
+  it('should return error for a start date earlier than "2011-05-02"', () => {
+    const formGroup = new FormGroup({
+      filterStart: new FormControl('2011-04-30'),
+      filterEnd: new FormControl('2011-05-10'),
+    });
+
+    const result = CustomValidators.dateRange(formGroup);
+
+    expect(result).toEqual({ minDate: 'A data não deve ser anterior a 02/05/2011' });
+  });
+
+  it('should return true for a valid period using IsValidPeriod', () => {
+    const isValid = CustomValidators.IsValidPeriod('2024-01-01', '2024-01-10');
+
+    expect(isValid).toBe(true);
+  });
+
+  it('should return false for an invalid period using IsValidPeriod (end date before start date)', () => {
+    const isValid = CustomValidators.IsValidPeriod('2024-01-10', '2024-01-01');
+
+    expect(isValid).toBe(false);
+  });
+
+  it('should return false for an invalid period using IsValidPeriod (less than 5 days interval)', () => {
+    const isValid = CustomValidators.IsValidPeriod('2024-01-01', '2024-01-04');
+
+    expect(isValid).toBe(false);
+  });
+
+  it('should return false for an invalid period using IsValidPeriod (start date earlier than "2011-05-02")', () => {
+    const isValid = CustomValidators.IsValidPeriod('2011-04-30', '2011-05-10');
+
+    expect(isValid).toBe(false);
+  });
+});