From 3f0b534c89ee5b4278b6fd673e2313638c98bf92 Mon Sep 17 00:00:00 2001
From: Richie Foreman <richie.foreman@gmail.com>
Date: Mon, 11 Apr 2022 17:14:35 -0400
Subject: [PATCH] feat(material/slide-toggle): Add `disabled` predicate to
 MatSlideToggleHarness

- Add `disabled` predicate to MatMdcSlideToggleHarness

- Update tests for new `disabled` predicate

- Update golden
---
 .../mdc-slide-toggle/testing/slide-toggle-harness.ts |  5 +++++
 src/material/slide-toggle/testing/shared.spec.ts     | 12 ++++++++++++
 .../testing/slide-toggle-harness-filters.ts          |  2 ++
 .../slide-toggle/testing/slide-toggle-harness.ts     |  5 +++++
 .../material/slide-toggle-testing.md                 |  1 +
 5 files changed, 25 insertions(+)

diff --git a/src/material-experimental/mdc-slide-toggle/testing/slide-toggle-harness.ts b/src/material-experimental/mdc-slide-toggle/testing/slide-toggle-harness.ts
index 932216e3d488..8ba3a2a4b17e 100644
--- a/src/material-experimental/mdc-slide-toggle/testing/slide-toggle-harness.ts
+++ b/src/material-experimental/mdc-slide-toggle/testing/slide-toggle-harness.ts
@@ -44,6 +44,11 @@ export class MatSlideToggleHarness extends _MatSlideToggleHarnessBase {
           options.checked,
           async (harness, checked) => (await harness.isChecked()) == checked,
         )
+        .addOption(
+          'disabled',
+          options.disabled,
+          async (harness, disabled) => (await harness.isDisabled()) == disabled,
+        )
     );
   }
 
diff --git a/src/material/slide-toggle/testing/shared.spec.ts b/src/material/slide-toggle/testing/shared.spec.ts
index 36e78ac51830..31df36124f9e 100644
--- a/src/material/slide-toggle/testing/shared.spec.ts
+++ b/src/material/slide-toggle/testing/shared.spec.ts
@@ -36,6 +36,18 @@ export function runHarnessTests(
     expect(await slideToggles[0].getLabelText()).toBe('First');
   });
 
+  it('should load slide-toggle with disabled=true predicate', async () => {
+    const slideToggles = await loader.getAllHarnesses(slideToggleHarness.with({disabled: true}));
+    expect(slideToggles.length).toBe(1);
+    expect(await slideToggles[0].isDisabled()).toBe(true);
+  });
+
+  it('should load slide-toggle with disabled=false predicate', async () => {
+    const slideToggles = await loader.getAllHarnesses(slideToggleHarness.with({disabled: false}));
+    expect(slideToggles.length).toBe(1);
+    expect(await slideToggles[0].isDisabled()).toBe(false);
+  });
+
   it('should load slide-toggle with regex label match', async () => {
     const slideToggles = await loader.getAllHarnesses(slideToggleHarness.with({label: /^s/i}));
     expect(slideToggles.length).toBe(1);
diff --git a/src/material/slide-toggle/testing/slide-toggle-harness-filters.ts b/src/material/slide-toggle/testing/slide-toggle-harness-filters.ts
index 8ae1309c5d54..2dd2eda7066c 100644
--- a/src/material/slide-toggle/testing/slide-toggle-harness-filters.ts
+++ b/src/material/slide-toggle/testing/slide-toggle-harness-filters.ts
@@ -16,4 +16,6 @@ export interface SlideToggleHarnessFilters extends BaseHarnessFilters {
   name?: string;
   /** Only find instances with the given checked value. */
   checked?: boolean;
+  /** Only find instances that are disabled */
+  disabled?: boolean;
 }
diff --git a/src/material/slide-toggle/testing/slide-toggle-harness.ts b/src/material/slide-toggle/testing/slide-toggle-harness.ts
index 1de728569a22..23044d7a4349 100644
--- a/src/material/slide-toggle/testing/slide-toggle-harness.ts
+++ b/src/material/slide-toggle/testing/slide-toggle-harness.ts
@@ -132,6 +132,11 @@ export class MatSlideToggleHarness extends _MatSlideToggleHarnessBase {
           options.checked,
           async (harness, checked) => (await harness.isChecked()) == checked,
         )
+        .addOption(
+          'disabled',
+          options.disabled,
+          async (harness, disabled) => (await harness.isDisabled()) == disabled,
+        )
     );
   }
 
diff --git a/tools/public_api_guard/material/slide-toggle-testing.md b/tools/public_api_guard/material/slide-toggle-testing.md
index c42db2eb0784..ad73a433f47a 100644
--- a/tools/public_api_guard/material/slide-toggle-testing.md
+++ b/tools/public_api_guard/material/slide-toggle-testing.md
@@ -43,6 +43,7 @@ export abstract class _MatSlideToggleHarnessBase extends ComponentHarness {
 // @public
 export interface SlideToggleHarnessFilters extends BaseHarnessFilters {
     checked?: boolean;
+    disabled?: boolean;
     label?: string | RegExp;
     name?: string;
 }