Mobile: Fixes #12880: Fix plugin support (#12890)

packages/lib/testing/plugins/createTestPlugin.ts

@@ -0,0 +1,49 @@
+import { join } from 'path';
+import { PluginManifest } from '../../services/plugins/utils/types';
+import Setting from '../../models/Setting';
+import { writeFile } from 'fs-extra';
+import { defaultPluginSetting } from '../../services/plugins/PluginService';
+
+
+const setPluginEnabled = (id: string, enabled: boolean) => {
+	const newPluginStates = {
+		...Setting.value('plugins.states'),
+		[id]: {
+			...defaultPluginSetting(),
+			enabled,
+		},
+	};
+	Setting.setValue('plugins.states', newPluginStates);
+};
+
+interface Options {
+	onStart?: string;
+	enabled?: boolean;
+}
+
+const createTestPlugin = async (manifest: PluginManifest, { onStart = '', enabled = true }: Options = {}) => {
+	const pluginSource = `
+		/* joplin-manifest:
+		${JSON.stringify(manifest)}
+		*/
+
+		joplin.plugins.register({
+			onStart: async function() {
+				${onStart}
+			},
+		});
+	`;
+	const pluginPath = join(Setting.value('pluginDir'), `${manifest.id}.js`);
+	await writeFile(pluginPath, pluginSource, 'utf-8');
+
+	setPluginEnabled(manifest.id, enabled);
+
+	return {
+		manifest,
+		setEnabled: (enabled: boolean) => {
+			setPluginEnabled(manifest.id, enabled);
+		},
+	};
+};
+
+export default createTestPlugin;