Significantly expanded the unit test coverage of the back-end.

.gitignore

@@ -1,3 +1,4 @@
+coverage
 media
 node_modules
 out

.vscodeignore

@@ -1,5 +1,6 @@
 .github/
 .vscode/
+coverage/
 node_modules/*/*.md
 out/**/*.d.ts
 out/**/*.js.map

jest.config.js

@@ -9,5 +9,8 @@ module.exports = {
 		'ts-jest': {
 			tsConfig: './tests/tsconfig.json'
 		}
-	}
+	},
+	collectCoverageFrom: [
+		"src/*.ts"
+	]
 };

package.json

@@ -819,7 +819,8 @@
 		"compile-web-debug": "tsc -p ./web && node ./.vscode/package-web.js debug",
 		"package": "npm run clean && vsce package",
 		"package-and-install": "npm run package && node ./.vscode/install-package.js",
-		"test": "jest --verbose"
+		"test": "jest --verbose",
+		"test-and-report-coverage": "jest --verbose --coverage"
 	},
 	"dependencies": {
 		"iconv-lite": "0.5.0"

src/extension.ts

@@ -42,7 +42,7 @@ export async function activate(context: vscode.ExtensionContext) {
 	const dataSource = new DataSource(gitExecutable, onDidChangeConfiguration, onDidChangeGitExecutable, logger);
 	const avatarManager = new AvatarManager(dataSource, extensionState, logger);
 	const repoManager = new RepoManager(dataSource, extensionState, onDidChangeConfiguration, logger);
-	const statusBarItem = new StatusBarItem(repoManager, onDidChangeConfiguration, logger);
+	const statusBarItem = new StatusBarItem(repoManager.getNumRepos(), repoManager.onDidChangeRepos, onDidChangeConfiguration, logger);
 	const commandManager = new CommandManager(context.extensionPath, avatarManager, dataSource, extensionState, repoManager, gitExecutable, onDidChangeGitExecutable, logger);
 
 	context.subscriptions.push(

src/repoManager.ts

@@ -8,7 +8,7 @@ import { Logger } from './logger';
 import { GitRepoSet, GitRepoState } from './types';
 import { evalPromises, getPathFromUri, pathWithTrailingSlash, realpath } from './utils';
 
-interface RepoChangeEvent {
+export interface RepoChangeEvent {
 	repos: GitRepoSet;
 	numRepos: number;
 	loadRepo: string | null;
@@ -199,6 +199,14 @@ export class RepoManager implements vscode.Disposable {
 		return repos;
 	}
 
+	/**
+	 * Get the number of all known repositories in the current workspace.
+	 * @returns The number of repositories.
+	 */
+	public getNumRepos() {
+		return Object.keys(this.repos).length;
+	}
+
 	/**
 	 * Get the repository that contains the specified file.
 	 * @param path The path of the file.
@@ -318,7 +326,7 @@ export class RepoManager implements vscode.Disposable {
 	private sendRepos(loadRepo: string | null = null) {
 		this.repoEventEmitter.emit({
 			repos: this.getRepos(),
-			numRepos: Object.keys(this.repos).length,
+			numRepos: this.getNumRepos(),
 			loadRepo: loadRepo
 		});
 	}

src/statusBarItem.ts

@@ -2,7 +2,7 @@ import * as vscode from 'vscode';
 import { getConfig } from './config';
 import { Event } from './event';
 import { Logger } from './logger';
-import { RepoManager } from './repoManager';
+import { RepoChangeEvent } from './repoManager';
 
 /**
  * Manages the Git Graph Status Bar Item, which allows users to open the Git Graph View from the Visual Studio Code Status Bar.
@@ -19,7 +19,7 @@ export class StatusBarItem implements vscode.Disposable {
 	 * @param repoManager The Git Graph RepoManager instance.
 	 * @param logger The Git Graph Logger instance.
 	 */
-	constructor(repoManager: RepoManager, onDidChangeConfiguration: Event<vscode.ConfigurationChangeEvent>, logger: Logger) {
+	constructor(initialNumRepos: number, onDidChangeRepos: Event<RepoChangeEvent>, onDidChangeConfiguration: Event<vscode.ConfigurationChangeEvent>, logger: Logger) {
 		this.logger = logger;
 
 		const statusBarItem = vscode.window.createStatusBarItem(vscode.StatusBarAlignment.Left, 1);
@@ -29,7 +29,7 @@ export class StatusBarItem implements vscode.Disposable {
 		this.statusBarItem = statusBarItem;
 		this.disposables.push(statusBarItem);
 
-		repoManager.onDidChangeRepos((event) => {
+		onDidChangeRepos((event) => {
 			this.setNumRepos(event.numRepos);
 		}, this.disposables);
 
@@ -39,7 +39,7 @@ export class StatusBarItem implements vscode.Disposable {
 			}
 		}, this.disposables);
 
-		this.setNumRepos(Object.keys(repoManager.getRepos()).length);
+		this.setNumRepos(initialNumRepos);
 	}
 
 	/**