From fa3b70c06b5e2f604ecb45a0ace83e9894bbff46 Mon Sep 17 00:00:00 2001
From: Ricardo Marques <rimarques@suse.com>
Date: Mon, 18 Jun 2018 12:42:08 +0100
Subject: [PATCH] mgr/dashboard: Add match validator

Signed-off-by: Ricardo Marques <rimarques@suse.com>
---
 .../app/shared/forms/cd-validators.spec.ts    | 31 +++++++++++++++++++
 .../src/app/shared/forms/cd-validators.ts     | 16 ++++++++++
 2 files changed, 47 insertions(+)

diff --git a/src/pybind/mgr/dashboard/frontend/src/app/shared/forms/cd-validators.spec.ts b/src/pybind/mgr/dashboard/frontend/src/app/shared/forms/cd-validators.spec.ts
index fb682970c8070..3f111b555e7c4 100644
--- a/src/pybind/mgr/dashboard/frontend/src/app/shared/forms/cd-validators.spec.ts
+++ b/src/pybind/mgr/dashboard/frontend/src/app/shared/forms/cd-validators.spec.ts
@@ -168,4 +168,35 @@ describe('CdValidators', () => {
       expect(x.valid).toBeTruthy();
     });
   });
+
+  describe('match', () => {
+    let form: FormGroup;
+
+    beforeEach(() => {
+      form = new FormGroup({
+        x: new FormControl(),
+        y: new FormControl()
+      });
+    });
+
+    it('should error when values are different', () => {
+      const x = form.get('x');
+      const y = form.get('y');
+      x.setValue('aaa');
+      y.setValue('aab');
+      CdValidators.match('x', 'y')(form);
+      expect(x.hasError('match')).toBeFalsy();
+      expect(y.hasError('match')).toBeTruthy();
+    });
+
+    it('should not error when values are equal', () => {
+      const x = form.get('x');
+      const y = form.get('y');
+      x.setValue('aaa');
+      y.setValue('aaa');
+      CdValidators.match('x', 'y')(form);
+      expect(x.hasError('match')).toBeFalsy();
+      expect(y.hasError('match')).toBeFalsy();
+    });
+  });
 });
diff --git a/src/pybind/mgr/dashboard/frontend/src/app/shared/forms/cd-validators.ts b/src/pybind/mgr/dashboard/frontend/src/app/shared/forms/cd-validators.ts
index 875e18379e945..37b933457ab15 100644
--- a/src/pybind/mgr/dashboard/frontend/src/app/shared/forms/cd-validators.ts
+++ b/src/pybind/mgr/dashboard/frontend/src/app/shared/forms/cd-validators.ts
@@ -96,4 +96,20 @@ export class CdValidators {
       return null;
     });
   }
+
+  /**
+   * Validate if control1 and control2 have the same value.
+   * Error will be added to control2.
+   *
+   * @param {string} control1
+   * @param {string} control2
+   */
+  static match(control1: string, control2: string): ValidatorFn {
+    return (control: AbstractControl): { [key: string]: any } => {
+      if (control.get(control1).value !== control.get(control2).value) {
+        control.get(control2).setErrors({ ['match']: true });
+      }
+      return null;
+    };
+  }
 }
-- 
2.39.5