1 files changed, 46 insertions, 0 deletions
diff --git a/api/src/test/java/io/opencensus/trace/export/ExportComponentTest.java b/api/src/test/java/io/opencensus/trace/export/ExportComponentTest.java
new file mode 100644
index 00000000..d7f385d0
--- /dev/null
+++ b/api/src/test/java/io/opencensus/trace/export/ExportComponentTest.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2017, OpenCensus Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.opencensus.trace.export;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/** Unit tests for {@link ExportComponent}. */
+@RunWith(JUnit4.class)
+public class ExportComponentTest {
+  private final ExportComponent exportComponent = ExportComponent.newNoopExportComponent();
+
+  @Test
+  public void implementationOfSpanExporter() {
+    assertThat(exportComponent.getSpanExporter()).isEqualTo(SpanExporter.getNoopSpanExporter());
+  }
+
+  @Test
+  public void implementationOfActiveSpans() {
+    assertThat(exportComponent.getRunningSpanStore())
+        .isEqualTo(RunningSpanStore.getNoopRunningSpanStore());
+  }
+
+  @Test
+  public void implementationOfSampledSpanStore() {
+    assertThat(exportComponent.getSampledSpanStore())
+        .isInstanceOf(SampledSpanStore.newNoopSampledSpanStore().getClass());
+  }
+}