Include @mentioned names in search results

ts/test-both/util/searchConversationTitles_test.ts

@@ -0,0 +1,56 @@
+// Copyright 2023 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { assert } from 'chai';
+import { getDefaultConversation } from '../helpers/getDefaultConversation';
+import { searchConversationTitles } from '../../util/searchConversationTitles';
+
+describe('searchContactTitles', () => {
+  const conversations = [
+    getDefaultConversation({
+      title: 'Ally Apple',
+    }),
+    getDefaultConversation({
+      title: 'Betty Banana',
+    }),
+    getDefaultConversation({
+      title: 'Catty Cantaloupe',
+    }),
+    getDefaultConversation({
+      title: 'Debby Dancing Date',
+    }),
+  ];
+
+  function assertSearchEquals(
+    terms: Array<string>,
+    expectedTitles: Array<string>,
+    message?: string
+  ) {
+    const titles = searchConversationTitles(conversations, terms).map(
+      contact => contact.title
+    );
+
+    assert.sameMembers(titles, expectedTitles, message);
+  }
+
+  it('matches full name components', () => {
+    assertSearchEquals(['ally'], ['Ally Apple'], 'first name');
+    assertSearchEquals(['apple'], ['Ally Apple'], 'last name');
+    assertSearchEquals(['danc'], ['Debby Dancing Date'], 'middle name');
+  });
+
+  it('matches based on name component prefix', () => {
+    assertSearchEquals(['all'], ['Ally Apple']);
+    assertSearchEquals(['app'], ['Ally Apple']);
+  });
+
+  it('does not return single character matches', () => {
+    assertSearchEquals(['a'], []);
+    assertSearchEquals([], []);
+  });
+
+  it('only returns prefix matches', () => {
+    assertSearchEquals(['lly'], []);
+    assertSearchEquals(['anana'], []);
+  });
+});

ts/test-both/util/search_test.ts

@@ -0,0 +1,53 @@
+// Copyright 2023 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { assert } from 'chai';
+import { generateSnippetAroundMention } from '../../util/search';
+
+describe('generateSnippetAroundMention', () => {
+  it('generates snippet around mention at start of body', () => {
+    const snippet = generateSnippetAroundMention({
+      body: '  can you sing that again but in the voice of Mr. Snuffleupagus?',
+      mentionStart: 0,
+      mentionLength: 1,
+    });
+
+    assert.strictEqual(
+      snippet,
+      '<<left>> <<right>> can you sing that again but in the voice of Mr<<truncation>>'
+    );
+  });
+  it('generates snippet around mention in middle of body', () => {
+    const snippet = generateSnippetAroundMention({
+      body: 'Stevie can you sing that again with   but in the voice of Mr. Snuffleupagus?',
+      mentionStart: 36,
+      mentionLength: 1,
+    });
+
+    assert.strictEqual(
+      snippet,
+      '<<truncation>>you sing that again with <<left>> <<right>> but in the voice of Mr<<truncation>>'
+    );
+  });
+  it('generates snippet around mention at end of body', () => {
+    const snippet = generateSnippetAroundMention({
+      body: 'Stevie can you sing that again but in the voice of  ',
+      mentionStart: 51,
+      mentionLength: 1,
+    });
+
+    assert.strictEqual(
+      snippet,
+      '<<truncation>>again but in the voice of <<left>> <<right>>'
+    );
+  });
+  it('generates snippet around mention-only body', () => {
+    const snippet = generateSnippetAroundMention({
+      body: ' ',
+      mentionStart: 0,
+      mentionLength: 1,
+    });
+
+    assert.strictEqual(snippet, '<<left>> <<right>>');
+  });
+});