Test Windows in CI (#6824)

.github/workflows/build.yml

@@ -23,6 +23,7 @@ jobs:
           - macos-latest
           - macos-13
           - ubuntu-latest
+          - windows-latest
         test-java-version:
           - 8
           - 11
@@ -71,7 +72,8 @@ jobs:
             ./gradlew build
             ${{ matrix.coverage && 'jacocoTestReport' || '' }}
             -PtestJavaVersion=${{ matrix.test-java-version }}
-            -Porg.gradle.java.installations.paths=${{ steps.setup-java-test.outputs.path }},${{ steps.setup-java.outputs.path }}
+            "-Porg.gradle.java.installations.paths=${{ steps.setup-java-test.outputs.path }}"
+            "-Porg.gradle.java.installations.auto-download=false"
         env:
           GRADLE_ENTERPRISE_ACCESS_KEY: ${{ secrets.GRADLE_ENTERPRISE_ACCESS_KEY }}
           # JMH-based tests run only  if this environment variable is set to true
@@ -79,7 +81,9 @@ jobs:
 
       - name: Check for diff
         # The jApiCmp diff compares current to latest, which isn't appropriate for release branches, or for bot-generated PRs
-        if: ${{ !startsWith(github.ref_name, 'release/') && !startsWith(github.base_ref, 'release/') && (github.actor != 'opentelemetrybot') }}
+        # this fails on windows because of the bash-specific if/then/else syntax, but that's ok
+        # because we only need to run this validation once (on any platform)
+        if: ${{ matrix.os != 'windows-latest' && !startsWith(github.ref_name, 'release/') && !startsWith(github.base_ref, 'release/') && (github.actor != 'opentelemetrybot') }}
         run: |
           # need to "git add" in case any generated files did not already exist
           git add docs/apidiffs

context/src/test/java/io/opentelemetry/context/internal/shaded/WeakConcurrentMapTest.java

@@ -25,6 +25,7 @@
 
 package io.opentelemetry.context.internal.shaded;
 
+import static org.awaitility.Awaitility.await;
 import static org.hamcrest.CoreMatchers.is;
 import static org.hamcrest.CoreMatchers.not;
 import static org.hamcrest.CoreMatchers.nullValue;
@@ -75,8 +76,7 @@ class WeakConcurrentMapTest {
     assertThat(map.getCleanerThread(), not(nullValue(Thread.class)));
     new MapTestCase(map).doTest();
     map.getCleanerThread().interrupt();
-    Thread.sleep(200L);
-    assertThat(map.getCleanerThread().isAlive(), is(false));
+    await().untilAsserted(() -> assertThat(map.getCleanerThread().isAlive(), is(false)));
   }
 
   static class KeyEqualToWeakRefOfItself {
@@ -152,8 +152,12 @@ class WeakConcurrentMapTest {
       assertThat(values.isEmpty(), is(true));
       key1 = key2 = null; // Make eligible for GC
       System.gc();
-      Thread.sleep(200L);
-      triggerClean();
+      await()
+          .untilAsserted(
+              () -> {
+                triggerClean();
+                assertThat(map.approximateSize(), is(2));
+              });
       assertThat(map.get(key3), is(value3));
       assertThat(map.getIfPresent(key3), is(value3));
       assertThat(map.get(key4), is(value4));

exporters/otlp/all/src/main/java/io/opentelemetry/exporter/otlp/internal/OtlpConfigUtil.java

@@ -322,8 +322,7 @@ public final class OtlpConfigUtil {
     if (!file.exists()) {
       throw new ConfigurationException("Invalid OTLP certificate/key path: " + filePath);
     }
-    try {
-      RandomAccessFile raf = new RandomAccessFile(file, "r");
+    try (RandomAccessFile raf = new RandomAccessFile(file, "r")) {
       byte[] bytes = new byte[(int) raf.length()];
       raf.readFully(bytes);
       return bytes;

exporters/prometheus/src/test/java/io/opentelemetry/exporter/prometheus/internal/PrometheusMetricReaderProviderTest.java

@@ -96,7 +96,8 @@ class PrometheusMetricReaderProviderTest {
           .extracting("server", as(InstanceOfAssertFactories.type(HttpServer.class)))
           .satisfies(
               server -> {
-                assertThat(server.getAddress().getHostName()).isEqualTo("localhost");
+                assertThat(server.getAddress().getHostName())
+                    .isIn("localhost", "127.0.0.1", "kubernetes.docker.internal");
                 assertThat(server.getAddress().getPort()).isEqualTo(port);
               });
       assertThat(metricReader.getMemoryMode()).isEqualTo(MemoryMode.IMMUTABLE_DATA);

exporters/sender/okhttp/src/test/java/io/opentelemetry/exporter/sender/okhttp/internal/RetryInterceptorTest.java

@@ -172,7 +172,7 @@ class RetryInterceptorTest {
                 client
                     .newCall(new Request.Builder().url("http://localhost:" + openPort).build())
                     .execute())
-        .isInstanceOf(ConnectException.class);
+        .isInstanceOfAny(ConnectException.class, SocketTimeoutException.class);
 
     verify(isRetryableException, times(5)).apply(any());
     // Should retry maxAttempts, and sleep maxAttempts - 1 times

opentracing-shim/src/test/java/io/opentelemetry/opentracingshim/SpanShimTest.java

@@ -135,7 +135,7 @@ class SpanShimTest {
     IntStream.range(0, baggageItemsCount)
         .forEach(i -> executor.execute(() -> spanShim.setBaggageItem("key-" + i, "value-" + i)));
     executor.shutdown();
-    executor.awaitTermination(5, TimeUnit.SECONDS);
+    executor.awaitTermination(10, TimeUnit.SECONDS);
 
     for (int i = 0; i < baggageItemsCount; i++) {
       assertThat(spanShim.getBaggageItem("key-" + i)).isEqualTo("value-" + i);

sdk-extensions/autoconfigure/src/main/java/io/opentelemetry/sdk/autoconfigure/AutoConfiguredOpenTelemetrySdkBuilder.java

@@ -541,13 +541,7 @@ public final class AutoConfiguredOpenTelemetrySdkBuilder implements AutoConfigur
       return null;
     }
     logger.fine("Autoconfiguring from configuration file: " + configurationFile);
-    FileInputStream fis;
-    try {
-      fis = new FileInputStream(configurationFile);
-    } catch (FileNotFoundException e) {
-      throw new ConfigurationException("Configuration file not found", e);
-    }
-    try {
+    try (FileInputStream fis = new FileInputStream(configurationFile)) {
       Class<?> configurationFactory =
           Class.forName("io.opentelemetry.sdk.extension.incubator.fileconfig.FileConfiguration");
       Method parse = configurationFactory.getMethod("parse", InputStream.class);
@@ -567,6 +561,8 @@ public final class AutoConfiguredOpenTelemetrySdkBuilder implements AutoConfigur
       // resource
       return AutoConfiguredOpenTelemetrySdk.create(
           sdk, Resource.getDefault(), null, structuredConfigProperties);
+    } catch (FileNotFoundException e) {
+      throw new ConfigurationException("Configuration file not found", e);
     } catch (ClassNotFoundException | NoSuchMethodException | IllegalAccessException e) {
       throw new ConfigurationException(
           "Error configuring from file. Is opentelemetry-sdk-extension-incubator on the classpath?",
@@ -577,6 +573,10 @@ public final class AutoConfiguredOpenTelemetrySdkBuilder implements AutoConfigur
         throw (ConfigurationException) cause;
       }
       throw new ConfigurationException("Unexpected error configuring from file", e);
+    } catch (IOException e) {
+      // IOException (other than FileNotFoundException which is caught above) is only thrown
+      // above by FileInputStream.close()
+      throw new ConfigurationException("Error closing file", e);
     }
   }
 

sdk-extensions/incubator/src/test/java/io/opentelemetry/sdk/extension/incubator/fileconfig/FileConfigurationCreateTest.java

@@ -81,12 +81,16 @@ class FileConfigurationCreateTest {
       String rewrittenExampleContent =
           exampleContent
               .replaceAll(
-                  "certificate: .*\n", "certificate: " + certificatePath + System.lineSeparator())
+                  "certificate: .*\n",
+                  "certificate: " + certificatePath.replace("\\", "\\\\") + System.lineSeparator())
               .replaceAll(
-                  "client_key: .*\n", "client_key: " + clientKeyPath + System.lineSeparator())
+                  "client_key: .*\n",
+                  "client_key: " + clientKeyPath.replace("\\", "\\\\") + System.lineSeparator())
               .replaceAll(
                   "client_certificate: .*\n",
-                  "client_certificate: " + clientCertificatePath + System.lineSeparator());
+                  "client_certificate: "
+                      + clientCertificatePath.replace("\\", "\\\\")
+                      + System.lineSeparator());
       InputStream is =
           new ByteArrayInputStream(rewrittenExampleContent.getBytes(StandardCharsets.UTF_8));
 

sdk/testing/src/test/java/io/opentelemetry/sdk/testing/assertj/AttributeAssertionTest.java

@@ -23,6 +23,9 @@ class AttributeAssertionTest {
                     .getAssertion()
                     .accept(AttributeAssertion.attributeValueAssertion(key, null)))
         .isInstanceOf(AssertionError.class)
-        .hasMessage("[STRING attribute 'flib'] \nExpecting actual not to be null");
+        .hasMessage(
+            "[STRING attribute 'flib'] "
+                + System.lineSeparator()
+                + "Expecting actual not to be null");
   }
 }

sdk/testing/src/test/java/io/opentelemetry/sdk/testing/assertj/TraceAssertionsTest.java

@@ -687,7 +687,8 @@ class TraceAssertionsTest {
                     .hasTracesSatisfyingExactly(
                         trace -> trace.hasSpansSatisfyingExactly(span -> span.hasSpanId(SPAN_ID1))))
         .isInstanceOf(AssertionError.class)
-        .hasMessageStartingWith("[Trace 0] \n" + "Expected size: 1 but was: 2");
+        .hasMessageStartingWith(
+            "[Trace 0] " + System.lineSeparator() + "Expected size: 1 but was: 2");
 
     // test asserting spans in wrong oder
     assertThatThrownBy(