Updating the tests

Signed-off-by: Alex Andreev <alex.andreev.email@gmail.com>

src/renderer/components/delete-cluster-dialog/__tests__/delete-cluster-dialog.test.tsx

@@ -65,9 +65,30 @@ users:
     token: kubeconfig-user-q4lm4:xxxyyyy
 `;
 
+const singleClusterConfig = `
+apiVersion: v1
+clusters:
+- cluster:
+    server: http://localhost
+  name: other-cluster
+contexts:
+- context:
+    cluster: other-cluster
+    user: test
+  name: other-context
+current-context: other-context
+kind: Config
+preferences: {}
+users:
+- name: test
+  user:
+    token: kubeconfig-user-q4lm4:xxxyyyy
+`;
+
 let config: KubeConfig;
 
 describe("<DeleteClusterDialog />", () => {
+  describe("Kubeconfig with different clusters", () => {
     beforeEach(async () => {
       const mockOpts = {
         "temp-kube-config": kubeconfig,
@@ -121,7 +142,7 @@ describe("<DeleteClusterDialog />", () => {
 
       const { getByTestId } = render(<DeleteClusterDialog />);
 
-    expect(getByTestId("context-warning")).toBeInstanceOf(HTMLElement);
+      expect(getByTestId("current-context-warning")).toBeInstanceOf(HTMLElement);
     });
 
     it("shows context switcher when deleting current cluster", async () => {
@@ -169,4 +190,60 @@ describe("<DeleteClusterDialog />", () => {
       expect(getByText("test")).toBeInTheDocument();
       expect(getByText("test2")).toBeInTheDocument();
     });
+
+    it("shows warning for internal kubeconfig cluster", () => {
+      const cluster = new Cluster({
+        id: "some-cluster",
+        contextName: "test",
+        preferences: {
+          clusterName: "test"
+        },
+        kubeConfigPath: "./temp-kube-config",
+      });
+
+      const spy = jest.spyOn(cluster, "isInLocalKubeconfig").mockImplementation(() => true);
+
+      DeleteClusterDialog.open({ cluster, config });
+
+      const { getByTestId } = render(<DeleteClusterDialog />);
+
+      expect(getByTestId("internal-kubeconfig-warning")).toBeInstanceOf(HTMLElement);
+
+      spy.mockRestore();
+    });
+  });
+
+  describe("Kubeconfig with single cluster", () => {
+    beforeEach(async () => {
+      const mockOpts = {
+        "temp-kube-config": singleClusterConfig,
+      };
+
+      mockFs(mockOpts);
+
+      config = new KubeConfig();
+      config.loadFromString(singleClusterConfig);
+    });
+
+    afterEach(() => {
+      mockFs.restore();
+    });
+
+    it("shows warning if no other contexts left", () => {
+      const cluster = new Cluster({
+        id: "other-cluster",
+        contextName: "other-context",
+        preferences: {
+          clusterName: "other-cluster"
+        },
+        kubeConfigPath: "./temp-kube-config",
+      });
+
+      DeleteClusterDialog.open({ cluster, config });
+
+      const { getByTestId } = render(<DeleteClusterDialog />);
+
+      expect(getByTestId("no-more-contexts-warning")).toBeInstanceOf(HTMLElement);
+    });
+  });
 });