Add unit tests for Auto Bullet plugin

__tests__/auto-bullet.test.ts

@@ -0,0 +1,209 @@
+// Obsidianの環境をモックする代わりに、必要なインターフェースだけをインポート
+import { Editor } from 'obsidian';
+
+// モックの作成
+class MockEditor implements Partial<Editor> {
+  private lines: string[] = [''];
+  private cursorPosition = { line: 0, ch: 0 };
+
+  constructor(initialContent: string[] = ['']) {
+    this.lines = initialContent;
+  }
+
+  getLine(lineNumber: number): string {
+    return this.lines[lineNumber] || '';
+  }
+
+  getCursor(): { line: number; ch: number } {
+    return this.cursorPosition;
+  }
+
+  setCursor(position: { line: number; ch: number }): void {
+    this.cursorPosition = position;
+  }
+
+  replaceRange(
+    replacement: string,
+    from: { line: number; ch: number },
+    to: { line: number; ch: number }
+  ): void {
+    const line = this.lines[from.line] || '';
+    const beforeCursor = line.substring(0, from.ch);
+    const afterCursor = line.substring(to.ch);
+    this.lines[from.line] = beforeCursor + replacement + afterCursor;
+  }
+
+  // テスト用のヘルパーメソッド
+  simulateTyping(text: string): void {
+    for (const char of text) {
+      const line = this.lines[this.cursorPosition.line] || '';
+      const beforeCursor = line.substring(0, this.cursorPosition.ch);
+      const afterCursor = line.substring(this.cursorPosition.ch);
+      this.lines[this.cursorPosition.line] = beforeCursor + char + afterCursor;
+      this.cursorPosition.ch += 1;
+    }
+  }
+
+  getCurrentContent(): string[] {
+    return [...this.lines];
+  }
+}
+
+// 直接ハンドラー関数をテスト
+describe('AutoBullet機能のテスト', () => {
+  let mockEditor: MockEditor;
+
+  // handleEditorChangeの実装（main.tsから抽出）
+  function handleEditorChange(editor: Editor, settings: any) {
+    const cursor = editor.getCursor();
+    const line = editor.getLine(cursor.line);
+    const lastChar = line.charAt(cursor.ch - 1);
+
+    // Check if the last character typed was a space (half-width or full-width) or tab
+    // and if the corresponding setting is enabled
+    if ((lastChar === ' ' && settings.enableHalfWidthSpace) ||
+      (lastChar === '\t' && settings.enableTab) ||
+      (lastChar === '　' && settings.enableFullWidthSpace)) {
+
+      const textBeforeCursor = line.slice(0, cursor.ch);
+
+      // Check if we're at the beginning of a line (only whitespace before cursor)
+      if (textBeforeCursor.trim() === '') {
+        // Check if the line already has a bullet point
+        const lineWithoutWhitespace = line.trim();
+        if (!lineWithoutWhitespace.startsWith('- ')) {
+          // Insert a bullet point
+          const bulletPoint = "- ";
+          editor.replaceRange(bulletPoint,
+            { line: cursor.line, ch: 0 },
+            { line: cursor.line, ch: textBeforeCursor.length }
+          );
+
+          // Move cursor after the bullet point
+          editor.setCursor({ line: cursor.line, ch: bulletPoint.length });
+        }
+      }
+    }
+  }
+
+  beforeEach(() => {
+    // エディタの準備
+    mockEditor = new MockEditor();
+  });
+
+  test('半角スペースで箇条書きが挿入される', () => {
+    // 設定
+    const settings = {
+      enableHalfWidthSpace: true,
+      enableFullWidthSpace: true,
+      enableTab: true
+    };
+
+    // 行の先頭で半角スペースを入力
+    mockEditor.simulateTyping(' ');
+
+    // ハンドラーを実行
+    handleEditorChange(mockEditor as unknown as Editor, settings);
+
+    // 箇条書きが挿入されたことを確認
+    expect(mockEditor.getCurrentContent()[0]).toBe('- ');
+    expect(mockEditor.getCursor()).toEqual({ line: 0, ch: 2 });
+  });
+
+  test('全角スペースで箇条書きが挿入される', () => {
+    // 設定
+    const settings = {
+      enableHalfWidthSpace: true,
+      enableFullWidthSpace: true,
+      enableTab: true
+    };
+
+    // 行の先頭で全角スペースを入力
+    mockEditor.simulateTyping('　');
+
+    // ハンドラーを実行
+    handleEditorChange(mockEditor as unknown as Editor, settings);
+
+    // 箇条書きが挿入されたことを確認
+    expect(mockEditor.getCurrentContent()[0]).toBe('- ');
+    expect(mockEditor.getCursor()).toEqual({ line: 0, ch: 2 });
+  });
+
+  test('タブで箇条書きが挿入される', () => {
+    // 設定
+    const settings = {
+      enableHalfWidthSpace: true,
+      enableFullWidthSpace: true,
+      enableTab: true
+    };
+
+    // 行の先頭でタブを入力
+    mockEditor.simulateTyping('\t');
+
+    // ハンドラーを実行
+    handleEditorChange(mockEditor as unknown as Editor, settings);
+
+    // 箇条書きが挿入されたことを確認
+    expect(mockEditor.getCurrentContent()[0]).toBe('- ');
+    expect(mockEditor.getCursor()).toEqual({ line: 0, ch: 2 });
+  });
+
+  test('行の先頭でない場合は箇条書きが挿入されない', () => {
+    // 設定
+    const settings = {
+      enableHalfWidthSpace: true,
+      enableFullWidthSpace: true,
+      enableTab: true
+    };
+
+    // 先頭に文字がある状態でスペースを入力
+    mockEditor.simulateTyping('テキスト ');
+
+    // ハンドラーを実行
+    handleEditorChange(mockEditor as unknown as Editor, settings);
+
+    // 箇条書きが挿入されないことを確認
+    expect(mockEditor.getCurrentContent()[0]).toBe('テキスト ');
+  });
+
+  test('設定が無効の場合は箇条書きが挿入されない', () => {
+    // 設定を無効化
+    const settings = {
+      enableHalfWidthSpace: false,
+      enableFullWidthSpace: false,
+      enableTab: false
+    };
+
+    // 行の先頭でスペースを入力
+    mockEditor.simulateTyping(' ');
+
+    // ハンドラーを実行
+    handleEditorChange(mockEditor as unknown as Editor, settings);
+
+    // 箇条書きが挿入されないことを確認
+    expect(mockEditor.getCurrentContent()[0]).toBe(' ');
+  });
+
+  test('既に箇条書きがある場合は重複して挿入されない', () => {
+    // 設定
+    const settings = {
+      enableHalfWidthSpace: true,
+      enableFullWidthSpace: true,
+      enableTab: true
+    };
+
+    // 既に箇条書きがある状態を作成
+    mockEditor = new MockEditor(['- ']);
+    mockEditor.setCursor({ line: 0, ch: 2 });
+
+    // スペースを入力
+    mockEditor.simulateTyping(' ');
+
+    // ハンドラーを実行
+    handleEditorChange(mockEditor as unknown as Editor, settings);
+
+    // 箇条書きが重複して挿入されないことを確認
+    // スペースが入力されるので「-  」になる
+    expect(mockEditor.getCurrentContent()[0]).toBe('-  ');
+  });
+});

jest.config.js

@@ -0,0 +1,11 @@
+// 標準のJest設定を使用
+module.exports = {
+  preset: 'ts-jest',
+  testEnvironment: 'node',
+  testMatch: ['**/__tests__/**/*.test.ts'],
+  transform: {
+    '^.+\\.tsx?$': ['ts-jest', {
+      tsconfig: 'tsconfig.json',
+    }],
+  },
+};

package.json

@@ -6,7 +6,8 @@
 	"scripts": {
 		"dev": "node esbuild.config.mjs",
 		"build": "tsc -noEmit -skipLibCheck && node esbuild.config.mjs production",
-		"version": "node version-bump.mjs && git add manifest.json versions.json"
+		"version": "node version-bump.mjs && git add manifest.json versions.json",
+		"test": "jest --passWithNoTests"
 	},
 	"keywords": [
 		"obsidian",
@@ -18,12 +19,17 @@
 	"author": "",
 	"license": "MIT",
 	"devDependencies": {
+		"@types/jest": "^29.5.14",
 		"@types/node": "^16.11.6",
 		"@typescript-eslint/eslint-plugin": "5.29.0",
 		"@typescript-eslint/parser": "5.29.0",
 		"builtin-modules": "3.3.0",
 		"esbuild": "0.25.0",
+		"jest": "^29.7.0",
+		"jest-environment-obsidian": "^0.0.1",
+		"jest-message-util": "^29.7.0",
 		"obsidian": "latest",
+		"ts-jest": "^29.2.6",
 		"tslib": "2.4.0",
 		"typescript": "4.7.4"
 	}