tests(e2e): improve coverage

packages/api-e2e/test/specs/autostart.spec.ts

@@ -0,0 +1,49 @@
+// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+import { expect } from '@wdio/globals'
+import { tauri, describePlugin } from '../helpers/index.js'
+
+// Enabling autostart registers the app with the host for real (a Launch Agent
+// on macOS, an XDG autostart entry on Linux, a `Run` registry value on
+// Windows), so the spec puts back whatever state it found.
+//
+// `disable` is only called while autostart is enabled: on Windows it fails
+// when there is no `Run` value to delete.
+
+describePlugin('autostart', { desktopOnly: true }, () => {
+  let initiallyEnabled = false
+
+  before(async () => {
+    initiallyEnabled = await tauri((api) => api.autostart.isEnabled())
+  })
+
+  after(async () => {
+    await tauri(async (api, enabled) => {
+      if ((await api.autostart.isEnabled()) === enabled) return
+      await (enabled ? api.autostart.enable() : api.autostart.disable())
+    }, initiallyEnabled)
+  })
+
+  it('enable and disable toggle isEnabled', async () => {
+    const states = await tauri(async (api) => {
+      await api.autostart.enable()
+      const enabled = await api.autostart.isEnabled()
+      await api.autostart.disable()
+      return { enabled, disabled: await api.autostart.isEnabled() }
+    })
+    expect(states).toEqual({ enabled: true, disabled: false })
+  })
+
+  it('enabling twice keeps it enabled', async () => {
+    const states = await tauri(async (api) => {
+      await api.autostart.enable()
+      await api.autostart.enable()
+      const enabled = await api.autostart.isEnabled()
+      await api.autostart.disable()
+      return { enabled, disabled: await api.autostart.isEnabled() }
+    })
+    expect(states).toEqual({ enabled: true, disabled: false })
+  })
+})