@Test
        @DisplayName("should handle large number of POMs efficiently")
        void shouldHandleLargeNumberOfPOMsEfficiently() throws Exception {
            // Create a large number of POM documents for performance testing
            Map<Path, Document> largePomMap = new HashMap<>();

            for (int i = 0; i < 100; i++) {
                Path pomPath = Paths.get("module" + i + "/pom.xml");

        excludedPackages.add("org.gradle.plugins.ide.eclipse.model");
        excludedPackages.add("org.gradle.plugins.ide.idea.model");
        excludedPackages.add("org.gradle.api.tasks.testing.logging");

        // TODO - rename some incubating types to remove collisions and then remove these exclusions
        excludedPackages.add("org.gradle.plugins.binaries.model");

					break
				}
				setN := humanize.Ordinal(setIdx + 1)
				retryDur := time.Duration(rand.Float64() * float64(5*time.Second))
				decomLogOnceIf(ctx, fmt.Errorf("listing objects from %s set failed with %v, retrying in %v", setN, err, retryDur), "decom-listing-failed"+setN)
				time.Sleep(retryDur)
			}
		}(setIdx)
	}
	wk.Wait()
	return nil
}

//msgp:ignore decomMetrics
type decomMetrics struct{}

    response = client.post(
        "/admin/?token=jessica", headers={"X-Token": "fake-super-secret-token"}
    )
    assert response.status_code == 200, response.text
    assert response.json() == {"message": "Admin getting schwifty"}


def test_admin_invalid_header(client: TestClient):
    response = client.post("/admin/", headers={"X-Token": "invalid"})
    assert response.status_code == 400, response.text

The exception handler will receive a `Request` and the exception.

{* ../../docs_src/handling_errors/tutorial004_py39.py hl[2,14:19] *}

Now, if you go to `/items/foo`, instead of getting the default JSON error with:

```JSON
{
    "detail": [
        {
            "loc": [
                "path",
                "item_id"
            ],

 * between time measurements.
 * <p>
 * This implementation is singleton-based and always uses UTC timezone. The clock
 * cannot be adjusted to different timezones to maintain consistent monotonic behavior.
 * Users needing local time representation should convert the result of {@link #instant()}
 * to their desired timezone:
 * <pre>{@code
 * Instant now = MonotonicClock.now();
 * ZonedDateTime local = now.atZone(ZoneId.systemDefault());

    // bProject -> cProject
    //        | -> dProject
    //        | -> eProject
    // cProject -> dProject
    //        | -> eProject
    // dProject -> eProject
    //
    // When getting the non-transitive, downstream projects of aProject with a whitelist of aProject, dProject,
    // and eProject, we expect to get dProject, and eProject with no duplicates.

            assertTrue(result >= 0, "Should handle .mvn creation failure gracefully");
        }
    }

    /**
     * Testable subclass that exposes protected methods for testing.
     */
    private static class TestableAbstractUpgradeGoal extends AbstractUpgradeGoal {

        TestableAbstractUpgradeGoal(StrategyOrchestrator orchestrator) {
            super(orchestrator);
        }

                <description></description>
            </project>
            """;

        Document doc = Document.of(pomXml);
        Element root = doc.root();

        // Test getting text from existing elements
        assertEquals("4.0.0", root.childText("modelVersion"), "Should get modelVersion text");
        assertEquals("test", root.childText("groupId"), "Should get groupId text");

        this.standardDelegate = standardDelegate;
        this.delegates = delegates;
        this.mojoExecutionConfigurators = mojoExecutionConfigurators;
    }

    // Only used for testing
    public DefaultLifecycleExecutionPlanCalculator(
            BuildPluginManager pluginManager,
            DefaultLifecycles defaultLifecycles,
            MojoDescriptorCreator mojoDescriptorCreator,