2 files changed, 73 insertions, 0 deletions
diff --git a/spec/javascripts/monitoring/charts/empty_chart_spec.js b/spec/javascripts/monitoring/charts/empty_chart_spec.js
new file mode 100644
index 00000000000..bbfca27dc5a
--- /dev/null
+++ b/spec/javascripts/monitoring/charts/empty_chart_spec.js
@@ -0,0 +1,29 @@
+import { shallowMount } from '@vue/test-utils';
+import EmptyChart from '~/monitoring/components/charts/empty_chart.vue';
+
+describe('Empty Chart component', () => {
+  let emptyChart;
+  const graphTitle = 'Memory Usage';
+
+  beforeEach(() => {
+    emptyChart = shallowMount(EmptyChart, {
+      propsData: {
+        graphTitle,
+      },
+    });
+  });
+
+  afterEach(() => {
+    emptyChart.destroy();
+  });
+
+  it('render the chart title', () => {
+    expect(emptyChart.find({ ref: 'graphTitle' }).text()).toBe(graphTitle);
+  });
+
+  describe('Computed props', () => {
+    it('sets the height for the svg container', () => {
+      expect(emptyChart.vm.svgContainerStyle.height).toBe('300px');
+    });
+  });
+});
diff --git a/spec/javascripts/monitoring/panel_type_spec.js b/spec/javascripts/monitoring/panel_type_spec.js
new file mode 100644
index 00000000000..8ce24041e97
--- /dev/null
+++ b/spec/javascripts/monitoring/panel_type_spec.js
@@ -0,0 +1,44 @@
+import { shallowMount } from '@vue/test-utils';
+import PanelType from '~/monitoring/components/panel_type.vue';
+import EmptyChart from '~/monitoring/components/charts/empty_chart.vue';
+import { graphDataPrometheusQueryRange } from './mock_data';
+
+describe('Panel Type component', () => {
+  let panelType;
+  const dashboardWidth = 100;
+
+  describe('When no graphData is available', () => {
+    let glEmptyChart;
+    const graphDataNoResult = graphDataPrometheusQueryRange;
+    graphDataNoResult.queries[0].result = [];
+
+    beforeEach(() => {
+      panelType = shallowMount(PanelType, {
+        propsData: {
+          dashboardWidth,
+          graphData: graphDataNoResult,
+        },
+      });
+    });
+
+    afterEach(() => {
+      panelType.destroy();
+    });
+
+    describe('Empty Chart component', () => {
+      beforeEach(() => {
+        glEmptyChart = panelType.find(EmptyChart);
+      });
+
+      it('is a Vue instance', () => {
+        expect(glEmptyChart.isVueInstance()).toBe(true);
+      });
+
+      it('it receives a graph title', () => {
+        const props = glEmptyChart.props();
+
+        expect(props.graphTitle).toBe(panelType.vm.graphData.title);
+      });
+    });
+  });
+});