add some simple user store tests (#674)

* add some simple user store tests

Signed-off-by: Sebastian Malton <smalton@mirantis.com>

Co-authored-by: Sebastian Malton <smalton@mirantis.com>

src/common/user-store_test.ts

@@ -0,0 +1,102 @@
+import mockFs from "mock-fs"
+
+jest.mock("electron", () => {
+  return {
+    app: {
+      getVersion: () => '99.99.99',
+      getPath: () => 'tmp',
+      getLocale: () => 'en'
+    }
+  }
+})
+
+import { UserStore } from "./user-store"
+import { SemVer } from "semver"
+import electron from "electron"
+
+describe("user store tests", () => {
+  describe("for an empty config", () => {
+    beforeEach(() => {
+      UserStore.resetInstance()
+      mockFs({ tmp: { 'config.json': "{}" } })
+    })
+
+    afterEach(() => {
+      mockFs.restore()
+    })
+
+    it("allows setting and retrieving lastSeenAppVersion", () => {
+      const us = UserStore.getInstance<UserStore>();
+
+      us.lastSeenAppVersion = "1.2.3";
+      expect(us.lastSeenAppVersion).toBe("1.2.3");
+    })
+
+    it("allows adding and listing seen contexts", () => {
+      const us = UserStore.getInstance<UserStore>();
+
+      us.seenContexts.add('foo')
+      expect(us.seenContexts.size).toBe(1)
+
+      us.seenContexts.add('foo')
+      us.seenContexts.add('bar')
+      expect(us.seenContexts.size).toBe(2) // check 'foo' isn't added twice
+      expect(us.seenContexts.has('foo')).toBe(true)
+      expect(us.seenContexts.has('bar')).toBe(true)
+    })
+
+    it("allows setting and getting preferences", () => {
+      const us = UserStore.getInstance<UserStore>();
+
+      us.preferences.httpsProxy = 'abcd://defg';
+
+      expect(us.preferences.httpsProxy).toBe('abcd://defg')
+      expect(us.preferences.colorTheme).toBe(UserStore.defaultTheme)
+
+      us.preferences.colorTheme = "light";
+      expect(us.preferences.colorTheme).toBe('light')
+    })
+
+    it("correctly resets theme to default value", () => {
+      const us = UserStore.getInstance<UserStore>();
+
+      us.preferences.colorTheme = "some other theme";
+      us.resetTheme();
+      expect(us.preferences.colorTheme).toBe(UserStore.defaultTheme);
+    })
+
+    it("correctly calculates if the last seen version is an old release", () => {
+      const us = UserStore.getInstance<UserStore>();
+
+      expect(us.isNewVersion).toBe(true);
+
+      us.lastSeenAppVersion = (new SemVer(electron.app.getVersion())).inc("major").format();
+      expect(us.isNewVersion).toBe(false);
+    })
+  })
+
+  describe("migrations", () => {
+    beforeEach(() => {
+      UserStore.resetInstance()
+      mockFs({
+        'tmp': {
+          'config.json': JSON.stringify({
+            user: { username: 'foobar' },
+            preferences: { colorTheme: 'light' },
+            lastSeenAppVersion: '1.2.3'
+          })
+        }
+      })
+    })
+
+    afterEach(() => {
+      mockFs.restore()
+    })
+
+    it("sets last seen app version to 0.0.0", () => {
+      const us = UserStore.getInstance<UserStore>();
+
+      expect(us.lastSeenAppVersion).toBe('0.0.0')
+    })
+  })
+})