feat(): initial vue support

vue/test/router.spec.js

@@ -0,0 +1,45 @@
+import Vue from 'vue'
+import Router from '../src/router.js'
+
+describe('Router', () => {
+  it('Installs correctly', () => {
+    Vue.use(Router)
+
+    const app = new Vue({
+      router: new Router(),
+    })
+
+    expect(typeof app.$router).toBe('object')
+    expect(typeof app.$options.components.IonVueRouter).toBe('function')
+    expect(Router.install()).toBeFalsy()
+  })
+
+  it('Navigates correctly', () => {
+    const r = new Router({ mode: 'abstract' })
+
+    r.push('/')
+    expect(r.viewCount).toBe(1)
+    expect(r.direction).toBe(1)
+    expect(r.canGoBack()).toBeFalsy()
+
+    r.push('/foo')
+    expect(r.viewCount).toBe(2)
+    expect(r.direction).toBe(1)
+    expect(r.canGoBack()).toBeTruthy()
+
+    r.push('/bar')
+    expect(r.viewCount).toBe(3)
+    expect(r.direction).toBe(1)
+    expect(r.canGoBack()).toBeTruthy()
+
+    r.go(-1)
+    expect(r.viewCount).toBe(2)
+    expect(r.direction).toBe(-1)
+    expect(r.canGoBack()).toBeTruthy()
+
+    r.go(-1)
+    expect(r.viewCount).toBe(1)
+    expect(r.direction).toBe(-1)
+    expect(r.canGoBack()).toBeFalsy()
+  })
+})