Reliable last-modified timestamp tests on Windows

spring-web-reactive/src/test/java/org/springframework/web/reactive/resource/ResourceWebHandlerTests.java

@@ -49,15 +49,12 @@ import org.springframework.web.server.adapter.DefaultServerWebExchange;
 import org.springframework.web.server.session.DefaultWebSessionManager;
 import org.springframework.web.server.session.WebSessionManager;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertSame;
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
-import static org.springframework.web.reactive.HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE;
+import static org.junit.Assert.*;
+import static org.springframework.web.reactive.HandlerMapping.*;
 
 /**
  * Unit tests for {@link ResourceWebHandler}.
+ *
  * @author Rossen Stoyanchev
  */
 public class ResourceWebHandlerTests {
@@ -75,7 +72,6 @@ public class ResourceWebHandlerTests {
 
 	@Before
 	public void setUp() throws Exception {
-
 		List<Resource> paths = new ArrayList<>(2);
 		paths.add(new ClassPathResource("test/", getClass()));
 		paths.add(new ClassPathResource("testalternatepath/", getClass()));
@@ -90,6 +86,7 @@ public class ResourceWebHandlerTests {
 		this.exchange = new DefaultServerWebExchange(this.request, this.response, this.sessionManager);
 	}
 
+
 	@Test
 	public void getResource() throws Exception {
 		this.exchange.getAttributes().put(PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "foo.css");
@@ -100,7 +97,7 @@ public class ResourceWebHandlerTests {
 		assertEquals(17, headers.getContentLength());
 		assertEquals("max-age=3600", headers.getCacheControl());
 		assertTrue(headers.containsKey("Last-Modified"));
-		assertEquals(headers.getLastModified(), resourceLastModifiedDate("test/foo.css"));
+		assertEquals(headers.getLastModified() / 1000, resourceLastModifiedDate("test/foo.css") / 1000);
 		assertEquals("bytes", headers.getFirst("Accept-Ranges"));
 		assertEquals(1, headers.get("Accept-Ranges").size());
 		assertResponseBody("h1 { color:red; }");
@@ -118,7 +115,7 @@ public class ResourceWebHandlerTests {
 		assertEquals(17, headers.getContentLength());
 		assertEquals("max-age=3600", headers.getCacheControl());
 		assertTrue(headers.containsKey("Last-Modified"));
-		assertEquals(headers.getLastModified(), resourceLastModifiedDate("test/foo.css"));
+		assertEquals(headers.getLastModified() / 1000, resourceLastModifiedDate("test/foo.css") / 1000);
 		assertEquals("bytes", headers.getFirst("Accept-Ranges"));
 		assertEquals(1, headers.get("Accept-Ranges").size());
 		assertNull(this.response.getBody());
@@ -142,7 +139,7 @@ public class ResourceWebHandlerTests {
 
 		assertEquals("no-store", this.response.getHeaders().getCacheControl());
 		assertTrue(this.response.getHeaders().containsKey("Last-Modified"));
-		assertEquals(this.response.getHeaders().getLastModified(), resourceLastModifiedDate("test/foo.css"));
+		assertEquals(this.response.getHeaders().getLastModified() / 1000, resourceLastModifiedDate("test/foo.css") / 1000);
 		assertEquals("bytes", this.response.getHeaders().getFirst("Accept-Ranges"));
 		assertEquals(1, this.response.getHeaders().get("Accept-Ranges").size());
 	}
@@ -172,7 +169,7 @@ public class ResourceWebHandlerTests {
 		assertEquals(MediaType.TEXT_HTML, headers.getContentType());
 		assertEquals("max-age=3600", headers.getCacheControl());
 		assertTrue(headers.containsKey("Last-Modified"));
-		assertEquals(headers.getLastModified(), resourceLastModifiedDate("test/foo.html"));
+		assertEquals(headers.getLastModified() / 1000, resourceLastModifiedDate("test/foo.html") / 1000);
 		assertEquals("bytes", headers.getFirst("Accept-Ranges"));
 		assertEquals(1, headers.get("Accept-Ranges").size());
 	}
@@ -187,7 +184,7 @@ public class ResourceWebHandlerTests {
 		assertEquals(17, headers.getContentLength());
 		assertEquals("max-age=3600", headers.getCacheControl());
 		assertTrue(headers.containsKey("Last-Modified"));
-		assertEquals(headers.getLastModified(), resourceLastModifiedDate("testalternatepath/baz.css"));
+		assertEquals(headers.getLastModified() / 1000, resourceLastModifiedDate("testalternatepath/baz.css") / 1000);
 		assertEquals("bytes", headers.getFirst("Accept-Ranges"));
 		assertEquals(1, headers.get("Accept-Ranges").size());
 		assertResponseBody("h1 { color:red; }");
@@ -545,7 +542,6 @@ public class ResourceWebHandlerTests {
 
 		TestSubscriber.subscribe(this.response.getBody())
 				.assertValuesWith(buf -> {
-
 					String content = DataBufferTestUtils.dumpString(buf, StandardCharsets.UTF_8);
 					String[] ranges = StringUtils.tokenizeToStringArray(content, "\r\n", false, true);
 
@@ -563,20 +559,19 @@ public class ResourceWebHandlerTests {
 					assertEquals("Content-Type: text/plain", ranges[9]);
 					assertEquals("Content-Range: bytes 8-9/10", ranges[10]);
 					assertEquals("t.", ranges[11]);
-
 				});
 	}
 
-	@Test // SPR-14005
+	@Test  // SPR-14005
 	public void doOverwriteExistingCacheControlHeaders() throws Exception {
 		this.exchange.getAttributes().put(PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "foo.css");
 		this.response.getHeaders().setCacheControl(CacheControl.noStore().getHeaderValue());
-
 		this.handler.handle(this.exchange).blockMillis(5000);
 
 		assertEquals("max-age=3600", this.response.getHeaders().getCacheControl());
 	}
 
+
 	private long resourceLastModified(String resourceName) throws IOException {
 		return new ClassPathResource(resourceName, getClass()).getFile().lastModified();
 	}