1 files changed, 62 insertions, 0 deletions
diff --git a/spec/javascripts/monitoring/graph_row_spec.js b/spec/javascripts/monitoring/graph_row_spec.js
new file mode 100644
index 00000000000..dd485473ccf
--- /dev/null
+++ b/spec/javascripts/monitoring/graph_row_spec.js
@@ -0,0 +1,62 @@
+import Vue from 'vue';
+import GraphRow from '~/monitoring/components/graph_row.vue';
+import MonitoringMixins from '~/monitoring/mixins/monitoring_mixins';
+import { deploymentData, singleRowMetrics } from './mock_data';
+
+const createComponent = (propsData) => {
+  const Component = Vue.extend(GraphRow);
+
+  return new Component({
+    propsData,
+  }).$mount();
+};
+
+describe('GraphRow', () => {
+  beforeEach(() => {
+    spyOn(MonitoringMixins.methods, 'formatDeployments').and.returnValue({});
+  });
+
+  describe('Computed props', () => {
+    it('bootstrapClass is set to col-md-6 when rowData is higher/equal to 2', () => {
+      const component = createComponent({
+        rowData: singleRowMetrics,
+        updateAspectRatio: false,
+        deploymentData,
+      });
+
+      expect(component.bootstrapClass).toEqual('col-md-6');
+    });
+
+    it('bootstrapClass is set to col-md-12 when rowData is lower than 2', () => {
+      const component = createComponent({
+        rowData: [singleRowMetrics[0]],
+        updateAspectRatio: false,
+        deploymentData,
+      });
+
+      expect(component.bootstrapClass).toEqual('col-md-12');
+    });
+  });
+
+  it('has one column', () => {
+    const component = createComponent({
+      rowData: singleRowMetrics,
+      updateAspectRatio: false,
+      deploymentData,
+    });
+
+    expect(component.$el.querySelectorAll('.prometheus-svg-container').length)
+        .toEqual(component.rowData.length);
+  });
+
+  it('has two columns', () => {
+    const component = createComponent({
+      rowData: singleRowMetrics,
+      updateAspectRatio: false,
+      deploymentData,
+    });
+
+    expect(component.$el.querySelectorAll('.col-md-6').length)
+        .toEqual(component.rowData.length);
+  });
+});