Exporter/Stackdriver: Fix stale document on interval. (#1950)

Author: songy23

exporters/stats/stackdriver/README.md

@@ -122,7 +122,7 @@ StackdriverStatsExporter.createAndRegister(
     StackdriverStatsConfiguration.builder()
         .setCredentials(new GoogleCredentials(new AccessToken(accessToken, expirationTime)))
         .setProjectId("MyStackdriverProjectId")
-        .setExportInterval(Duration.create(10, 0))
+        .setExportInterval(Duration.create(60, 0))
         .build());
 ```
 

exporters/stats/stackdriver/src/main/java/io/opencensus/exporter/stats/stackdriver/StackdriverStatsConfiguration.java

@@ -48,7 +48,7 @@ public abstract class StackdriverStatsConfiguration {
   static final MonitoredResource DEFAULT_RESOURCE = StackdriverExportUtils.getDefaultResource();
   static final String DEFAULT_PROJECT_ID =
       Strings.nullToEmpty(ServiceOptions.getDefaultProjectId());
-  static final Duration DEFAULT_DEADLINE = Duration.create(10, 0);
+  static final Duration DEFAULT_DEADLINE = Duration.create(60, 0);
 
   StackdriverStatsConfiguration() {}
 

exporters/stats/stackdriver/src/test/java/io/opencensus/exporter/stats/stackdriver/StackdriverStatsConfigurationTest.java

@@ -48,8 +48,8 @@ public class StackdriverStatsConfigurationTest {
   private static final Credentials FAKE_CREDENTIALS =
       GoogleCredentials.newBuilder().setAccessToken(new AccessToken("fake", new Date(100))).build();
   private static final String PROJECT_ID = "project";
-  private static final Duration DURATION = Duration.create(10, 0);
-  private static final Duration NEG_ONE_SECOND = Duration.create(-1, 0);
+  private static final Duration DURATION = Duration.create(60, 0);
+  private static final Duration NEG_ONE_MINUTE = Duration.create(-60, 0);
   private static final MonitoredResource RESOURCE =
       MonitoredResource.newBuilder()
           .setType("gce-instance")
@@ -210,7 +210,7 @@ public void disallowZeroDuration() {
   public void disallowNegativeDuration() {
     StackdriverStatsConfiguration.Builder builder =
         StackdriverStatsConfiguration.builder().setProjectId("test");
-    builder.setDeadline(NEG_ONE_SECOND);
+    builder.setDeadline(NEG_ONE_MINUTE);
     thrown.expect(IllegalArgumentException.class);
     builder.build();
   }

exporters/stats/stackdriver/src/test/java/io/opencensus/exporter/stats/stackdriver/StackdriverStatsExporterTest.java

@@ -39,8 +39,8 @@
 public class StackdriverStatsExporterTest {
 
   private static final String PROJECT_ID = "projectId";
-  private static final Duration ONE_SECOND = Duration.create(1, 0);
-  private static final Duration NEG_ONE_SECOND = Duration.create(-1, 0);
+  private static final Duration ONE_MINUTE = Duration.create(60, 0);
+  private static final Duration NEG_ONE_MINUTE = Duration.create(-60, 0);
   private static final Credentials FAKE_CREDENTIALS =
       GoogleCredentials.newBuilder().setAccessToken(new AccessToken("fake", new Date(100))).build();
   private static final StackdriverStatsConfiguration CONFIGURATION =
@@ -64,7 +64,7 @@ public void createWithNegativeDuration_WithConfiguration() throws IOException {
         StackdriverStatsConfiguration.builder()
             .setCredentials(FAKE_CREDENTIALS)
             .setProjectId(PROJECT_ID)
-            .setExportInterval(NEG_ONE_SECOND)
+            .setExportInterval(NEG_ONE_MINUTE)
             .build();
     thrown.expect(IllegalArgumentException.class);
     thrown.expectMessage("Export interval must be positive");
@@ -77,7 +77,7 @@ public void createWithNullCredentials() throws IOException {
     thrown.expect(NullPointerException.class);
     thrown.expectMessage("credentials");
     StackdriverStatsExporter.createAndRegisterWithCredentialsAndProjectId(
-        null, PROJECT_ID, ONE_SECOND);
+        null, PROJECT_ID, ONE_MINUTE);
   }
 
   @Test
@@ -86,7 +86,7 @@ public void createWithNullProjectId() throws IOException {
     thrown.expect(NullPointerException.class);
     thrown.expectMessage("projectId");
     StackdriverStatsExporter.createAndRegisterWithCredentialsAndProjectId(
-        GoogleCredentials.newBuilder().build(), null, ONE_SECOND);
+        GoogleCredentials.newBuilder().build(), null, ONE_MINUTE);
   }
 
   @Test
@@ -104,7 +104,7 @@ public void createWithNegativeDuration() throws IOException {
     thrown.expect(IllegalArgumentException.class);
     thrown.expectMessage("Export interval must be positive");
     StackdriverStatsExporter.createAndRegisterWithCredentialsAndProjectId(
-        GoogleCredentials.newBuilder().build(), PROJECT_ID, NEG_ONE_SECOND);
+        GoogleCredentials.newBuilder().build(), PROJECT_ID, NEG_ONE_MINUTE);
   }
 
   @Test
@@ -137,7 +137,7 @@ public void unregister() throws IOException {
   public void createWithNullMonitoredResource() throws IOException {
     thrown.expect(NullPointerException.class);
     thrown.expectMessage("monitoredResource");
-    StackdriverStatsExporter.createAndRegisterWithMonitoredResource(ONE_SECOND, null);
+    StackdriverStatsExporter.createAndRegisterWithMonitoredResource(ONE_MINUTE, null);
   }
 
   @Test