Handle missing Xcode data from old versions of XCMetrics

Signed-off-by: Niklas Granander <ngranander@spotify.com>

.changeset/three-coins-kiss.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-xcmetrics': patch
+---
+
+Handle a case where Xcode data from XCMetrics version < 0.0.8 could be missing

plugins/xcmetrics/src/api/types.ts

@@ -163,7 +163,7 @@ export type Xcode = {
 export type BuildResponse = {
   build: Build;
   targets: Target[];
-  xcode: Xcode;
+  xcode?: Xcode; // Can be undefined if XCMetrics version < v0.0.8
 };
 
 export type BuildFilters = {

plugins/xcmetrics/src/components/BuildDetails/BuildDetails.test.tsx

@@ -51,6 +51,20 @@ describe('BuildDetails', () => {
     ).toBeInTheDocument();
     expect(rendered.getByText(client.mockBuild.schema)).toBeInTheDocument();
   });
+
+  it('should render if xcode data is not present', async () => {
+    const rendered = await renderInTestApp(
+      <TestApiProvider apis={[[xcmetricsApiRef, client.XcmetricsClient]]}>
+        <BuildDetails
+          buildData={{ ...client.mockBuildResponse, xcode: undefined }}
+        />
+      </TestApiProvider>,
+    );
+
+    expect(
+      rendered.getByText('Xcode').parentNode?.childNodes[1].textContent,
+    ).toEqual('Unknown');
+  });
 });
 
 describe('BuildDetails with request', () => {

plugins/xcmetrics/src/components/BuildDetails/BuildDetails.tsx

@@ -78,7 +78,7 @@ export const BuildDetails = ({
         {formatStatus(build.buildStatus)}
       </>
     ),
-    xcode: `${xcode.version} (${xcode.buildNumber})`,
+    xcode: xcode ? `${xcode.version} (${xcode.buildNumber})` : 'Unknown',
     CI: build.isCi,
   };