Fix test

.vscode/settings.json

@@ -1,4 +1,7 @@
 {
 	"editor.formatOnSave": true,
-	"cSpell.words": ["pako", "Serde", "serdes"]
+	"cSpell.words": ["pako", "Serde", "serdes"],
+	"vitest.commandLine": "yarn test:unit",
+	"vitest.enable": true,
+	"testing.autoRun.mode": "rerun"
 }

src/lib/components/history/history.test.ts

@@ -0,0 +1,120 @@
+import type { HistoryEntry } from '$lib/types';
+import { describe, it, expect } from 'vitest';
+import {
+	addHistoryEntry,
+	injectHistoryIDs,
+	clearHistoryData,
+	historyModeStore,
+	historyStore
+} from './history';
+import { defaultState } from '../../util/state';
+import { get } from 'svelte/store';
+
+describe('history', () => {
+	it('should handle saving individual history entry', () => {
+		expect(window.localStorage.getItem('manualHistoryStore')).toBe('[]');
+		expect(window.localStorage.getItem('autoHistoryStore')).toBe('[]');
+
+		addHistoryEntry({
+			state: defaultState,
+			time: 12345,
+			type: 'manual'
+		});
+
+		const [manualEntry]: HistoryEntry[] = JSON.parse(
+			window.localStorage.getItem('manualHistoryStore')
+		);
+
+		expect(manualEntry.time).toBe(12345);
+		expect(manualEntry.type).toBe('manual');
+		expect(manualEntry.name).not.toBeNull();
+		expect(manualEntry.state).not.toBeNull();
+
+		addHistoryEntry({
+			state: defaultState,
+			time: 54321,
+			type: 'auto'
+		});
+
+		const [autoEntry]: HistoryEntry[] = JSON.parse(window.localStorage.getItem('autoHistoryStore'));
+
+		expect(autoEntry.time).toBe(54321);
+		expect(autoEntry.type).toBe('auto');
+		expect(autoEntry.name).not.toBeNull();
+		expect(autoEntry.state).not.toBeNull();
+
+		historyModeStore.set('manual');
+		clearHistoryData();
+		historyModeStore.set('auto');
+		clearHistoryData();
+		expect(window.localStorage.getItem('manualHistoryStore')).toBe('[]');
+		expect(window.localStorage.getItem('autoHistoryStore')).toBe('[]');
+	});
+
+	it('should clear history entries', () => {
+		addHistoryEntry({
+			state: defaultState,
+			time: 12345,
+			type: 'manual'
+		});
+		addHistoryEntry({
+			state: { ...defaultState, code: 'graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)' },
+			time: 123456,
+			type: 'manual'
+		});
+
+		historyModeStore.set('manual');
+		const store: HistoryEntry[] = get(historyStore);
+		expect(store.length).toBe(2);
+		clearHistoryData(store[1].id);
+		expect(get(historyStore).length).toBe(1);
+		clearHistoryData();
+		expect(get(historyStore).length).toBe(0);
+
+		historyModeStore.set('auto');
+		addHistoryEntry({
+			state: defaultState,
+			time: 54321,
+			type: 'auto'
+		});
+		addHistoryEntry({
+			state: { ...defaultState, code: 'graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)' },
+			time: 654321,
+			type: 'auto'
+		});
+		expect(get(historyStore).length).toBe(2);
+		clearHistoryData();
+		expect(get(historyStore).length).toBe(0);
+		// Test calling when history is empty
+		clearHistoryData();
+		expect(get(historyStore).length).toBe(0);
+	});
+});
+
+describe('history migration', () => {
+	it('should inject history IDs as migration', () => {
+		window.localStorage.setItem(
+			'manualHistoryStore',
+			'[{"state":{"code":"graph TD\\n    A[Halloween] -->|Get money| B(Go shopping)","mermaid":"{\\n  \\"theme\\": \\"dark\\"\\n}","updateEditor":false,"autoSync":true,"updateDiagram":false},"time":0,"type":"manual","name":"hollow-art"},{"state":{"code":"graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)","mermaid":"{\\n  \\"theme\\": \\"dark\\"\\n}","updateEditor":true,"autoSync":true,"updateDiagram":true},"time":0,"type":"manual","name":"helpful-ocean"}]'
+		);
+		window.localStorage.setItem(
+			'autoHistoryStore',
+			'[{"state":{"code":"graph TD\\n    A[New Year] -->|Get money| B(Go shopping)","mermaid":"{\\n  \\"theme\\": \\"dark\\"\\n}","updateEditor":false,"autoSync":true,"updateDiagram":false},"time":0,"type":"auto","name":"barking-dog"},{"state":{"code":"graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)","mermaid":"{\\n  \\"theme\\": \\"dark\\"\\n}","updateEditor":true,"autoSync":true,"updateDiagram":true},"time":0,"type":"manual","name":"needy-mosquito"}]'
+		);
+		let manualHistoryStore: HistoryEntry[] = JSON.parse(
+			window.localStorage.getItem('manualHistoryStore')
+		);
+		let autoHistoryStore: HistoryEntry[] = JSON.parse(
+			window.localStorage.getItem('autoHistoryStore')
+		);
+		expect(manualHistoryStore.every(({ id }) => id !== undefined)).toBe(false);
+		expect(autoHistoryStore.every(({ id }) => id !== undefined)).toBe(false);
+
+		injectHistoryIDs();
+
+		manualHistoryStore = JSON.parse(window.localStorage.getItem('manualHistoryStore'));
+		autoHistoryStore = JSON.parse(window.localStorage.getItem('autoHistoryStore'));
+		expect(manualHistoryStore.every(({ id }) => id !== undefined)).toBe(true);
+		expect(autoHistoryStore.every(({ id }) => id !== undefined)).toBe(true);
+	});
+});

src/lib/util/migrations.test.ts

@@ -0,0 +1,34 @@
+import type { HistoryEntry } from '$lib/types';
+import { describe, it, expect, beforeEach } from 'vitest';
+
+describe('migrations', () => {
+	beforeEach(() => {
+		window.localStorage.setItem(
+			'manualHistoryStore',
+			'[{"state":{"code":"graph TD\\n    A[Halloween] -->|Get money| B(Go shopping)","mermaid":"{\\n  \\"theme\\": \\"dark\\"\\n}","updateEditor":false,"autoSync":true,"updateDiagram":false},"time":0,"type":"manual","name":"hollow-art"},{"state":{"code":"graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)","mermaid":"{\\n  \\"theme\\": \\"dark\\"\\n}","updateEditor":true,"autoSync":true,"updateDiagram":true},"time":0,"type":"manual","name":"helpful-ocean"}]'
+		);
+		window.localStorage.setItem(
+			'autoHistoryStore',
+			'[{"state":{"code":"graph TD\\n    A[New Year] -->|Get money| B(Go shopping)","mermaid":"{\\n  \\"theme\\": \\"dark\\"\\n}","updateEditor":false,"autoSync":true,"updateDiagram":false},"time":0,"type":"auto","name":"barking-dog"},{"state":{"code":"graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)","mermaid":"{\\n  \\"theme\\": \\"dark\\"\\n}","updateEditor":true,"autoSync":true,"updateDiagram":true},"time":0,"type":"manual","name":"needy-mosquito"}]'
+		);
+	});
+
+	it('should migrate from v0 to v1', async () => {
+		const { applyMigrations } = await import('./migrations');
+		let manualHistoryStore: HistoryEntry[] = JSON.parse(
+			window.localStorage.getItem('manualHistoryStore')
+		);
+		let autoHistoryStore: HistoryEntry[] = JSON.parse(
+			window.localStorage.getItem('autoHistoryStore')
+		);
+		expect(manualHistoryStore.every(({ id }) => id !== undefined)).toBe(false);
+		expect(autoHistoryStore.every(({ id }) => id !== undefined)).toBe(false);
+
+		applyMigrations();
+
+		manualHistoryStore = JSON.parse(window.localStorage.getItem('manualHistoryStore'));
+		autoHistoryStore = JSON.parse(window.localStorage.getItem('autoHistoryStore'));
+		expect(manualHistoryStore.every(({ id }) => id !== undefined)).toBe(true);
+		expect(autoHistoryStore.every(({ id }) => id !== undefined)).toBe(true);
+	});
+});