feat(test): more test coverage for labels

ui/src/Components/Labels/FilteringCounterBadge/index.test.js

@@ -0,0 +1,112 @@
+import React from "react";
+import renderer from "react-test-renderer";
+
+import { AlertStore } from "Stores/AlertStore";
+
+import { FilteringCounterBadge } from ".";
+
+let alertStore;
+
+beforeEach(() => {
+  alertStore = new AlertStore([]);
+});
+
+const validateClassName = (value, className) => {
+  const tree = renderer
+    .create(
+      <FilteringCounterBadge
+        alertStore={alertStore}
+        name="@state"
+        value={value}
+        counter={1}
+      />
+    )
+    .toJSON();
+  expect(tree.props.className.split(" ")).toContain(className);
+};
+
+const validateStyle = value => {
+  const tree = renderer
+    .create(
+      <FilteringCounterBadge
+        alertStore={alertStore}
+        name="@state"
+        value={value}
+        counter={1}
+      />
+    )
+    .toJSON();
+  expect(tree.props.style).toMatchObject({});
+};
+
+const validateOnClick = value => {
+  const tree = renderer
+    .create(
+      <FilteringCounterBadge
+        alertStore={alertStore}
+        name="@state"
+        value={value}
+        counter={1}
+      />
+    )
+    .toJSON();
+
+  tree.props.onClick({ preventDefault: () => {} });
+
+  expect(alertStore.filters.values).toHaveLength(1);
+  expect(alertStore.filters.values).toContainEqual({
+    applied: false,
+    isValid: true,
+    raw: `@state=${value}`,
+    hits: 0,
+    name: "",
+    matcher: "",
+    value: ""
+  });
+};
+
+describe("<FilteringCounterBadge />", () => {
+  it("@state=unprocessed counter badge should have className 'badge-secondary'", () => {
+    validateClassName("unprocessed", "badge-secondary");
+  });
+  it("@state=active counter badge should have className 'badge-secondary'", () => {
+    validateClassName("active", "badge-danger");
+  });
+  it("@state=suppressed counter badge should have className 'badge-secondary'", () => {
+    validateClassName("suppressed", "badge-success");
+  });
+
+  it("@state=unprocessed counter badge should have empty style", () => {
+    validateStyle("unprocessed");
+  });
+  it("@state=active counter badge should have empty style", () => {
+    validateStyle("active");
+  });
+  it("@state=suppressed counter badge should have empty style", () => {
+    validateStyle("suppressed");
+  });
+
+  it("counter badge should have correct children based on the counter prop value", () => {
+    const tree = renderer
+      .create(
+        <FilteringCounterBadge
+          alertStore={alertStore}
+          name="@state"
+          value="active"
+          counter={123}
+        />
+      )
+      .toJSON();
+    expect(tree.children).toEqual(["123"]);
+  });
+
+  it("onClick method on @state=unprocessed counter badge should add a new filter", () => {
+    validateOnClick("unprocessed");
+  });
+  it("onClick method on @state=active counter badge should add a new filter", () => {
+    validateOnClick("active");
+  });
+  it("onClick method on @state=suppressed counter badge should add a new filter", () => {
+    validateOnClick("suppressed");
+  });
+});