Move toolbar functions into redux reducer (#1763)

Signed-off-by: Tilman Vatteroth <git@tilmanvatteroth.de>

src/redux/note-details/format-selection/formatters/add-link.test.ts

@@ -0,0 +1,99 @@
+/*
+ * SPDX-FileCopyrightText: 2022 The HedgeDoc developers (see AUTHORS file)
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { addLink } from './add-link'
+
+describe('add link', () => {
+  describe('without to-cursor', () => {
+    it('inserts a link', () => {
+      const actual = addLink([''], { from: { line: 0, character: 0 } }, '')
+      expect(actual).toEqual(['[](https://)'])
+    })
+
+    it('inserts a link into a line', () => {
+      const actual = addLink(['aa'], { from: { line: 0, character: 1 } }, '')
+      expect(actual).toEqual(['a[](https://)a'])
+    })
+
+    it('inserts a link with a prefix', () => {
+      const actual = addLink([''], { from: { line: 0, character: 0 } }, 'prefix')
+      expect(actual).toEqual(['prefix[](https://)'])
+    })
+  })
+
+  describe('with a normal text selected', () => {
+    it('wraps the selection', () => {
+      const actual = addLink(
+        ['a'],
+        {
+          from: { line: 0, character: 0 },
+          to: {
+            line: 0,
+            character: 1
+          }
+        },
+        ''
+      )
+      expect(actual).toEqual(['[a](https://)'])
+    })
+
+    it('wraps the selection inside of a line', () => {
+      const actual = addLink(['aba'], { from: { line: 0, character: 1 }, to: { line: 0, character: 2 } }, '')
+      expect(actual).toEqual(['a[b](https://)a'])
+    })
+
+    it('wraps the selection with a prefix', () => {
+      const actual = addLink(['a'], { from: { line: 0, character: 0 }, to: { line: 0, character: 1 } }, 'prefix')
+      expect(actual).toEqual(['prefix[a](https://)'])
+    })
+
+    it('wraps a multi line selection', () => {
+      const actual = addLink(['a', 'b', 'c'], { from: { line: 0, character: 0 }, to: { line: 2, character: 1 } }, '')
+      expect(actual).toEqual(['[a', 'b', 'c](https://)'])
+    })
+  })
+
+  describe('with a url selected', () => {
+    it('wraps the selection', () => {
+      const actual = addLink(
+        ['https://google.com'],
+        {
+          from: { line: 0, character: 0 },
+          to: {
+            line: 0,
+            character: 18
+          }
+        },
+        ''
+      )
+      expect(actual).toEqual(['[](https://google.com)'])
+    })
+
+    it('wraps the selection with a prefix', () => {
+      const actual = addLink(
+        ['https://google.com'],
+        {
+          from: { line: 0, character: 0 },
+          to: {
+            line: 0,
+            character: 18
+          }
+        },
+        'prefix'
+      )
+      expect(actual).toEqual(['prefix[](https://google.com)'])
+    })
+
+    it(`wraps a multi line selection not as link`, () => {
+      const actual = addLink(
+        ['a', 'https://google.com', 'c'],
+        { from: { line: 0, character: 0 }, to: { line: 2, character: 1 } },
+        ''
+      )
+      expect(actual).toEqual(['[a', 'https://google.com', 'c](https://)'])
+    })
+  })
+})