Add unit tests for ZoomToMaxExtentButton

test/unit/specs/maxextentbutton/ZoomToMaxExtentButton.spec.js

@@ -0,0 +1,36 @@
+import Vue from 'vue'
+import ZoomToMaxExtentButton from '@/components/maxextentbutton/ZoomToMaxExtentButton'
+import OlMap from 'ol/map';
+import OlView from 'ol/view';
+
+describe('maxextentbutton/ZoomToMaxExtentButton.vue', () => {
+  // Check methods
+  it('has a method onClick', () => {
+    const Constructor = Vue.extend(ZoomToMaxExtentButton);
+    const ztmeb = new Constructor({
+    }).$mount();
+    expect(typeof ztmeb.onClick).to.equal('function');
+  });
+
+  it('onClick sets correct center and zoom', () => {
+    const Constructor = Vue.extend(ZoomToMaxExtentButton);
+    const ztmeb = new Constructor({
+    }).$mount();
+
+    ztmeb.$appConfig = {
+      mapCenter: [0, 0],
+      mapZoom: 0
+    };
+    ztmeb.map = new OlMap({
+      view: new OlView({
+        center: [1, 1],
+        zoom: 1
+      })
+    });
+
+    ztmeb.onClick();
+    expect(ztmeb.map.getView().getCenter()[0]).to.equal(0);
+    expect(ztmeb.map.getView().getCenter()[1]).to.equal(0);
+    expect(ztmeb.map.getView().getZoom()).to.equal(0);
+  });
+});