Add tests

Author: jakeouellette

firebase-crashlytics/src/androidTest/java/com/google/firebase/crashlytics/internal/common/BytesBackedNativeSessionFileTest.java

@@ -49,7 +49,8 @@ public void testAsFilePayload_convertsToFilePayload() {
         new BytesBackedNativeSessionFile("file_name", "file", testBytes);
     CrashlyticsReport.FilesPayload.File filesPayload = nativeSessionFile.asFilePayload();
     assertNotNull(filesPayload);
-    assertArrayEquals(testBytes, filesPayload.getContents());
+    assertArrayEquals(
+        testBytes, TestUtils.gzipToBytes(filesPayload.getContents(), testBytes.length));
     assertEquals("file_name", filesPayload.getFilename());
   }
 

firebase-crashlytics/src/androidTest/java/com/google/firebase/crashlytics/internal/common/FileBackedNativeSessionFileTest.java

@@ -85,7 +85,8 @@ public void testAsFilePayload_convertsToFilePayload() {
         new FileBackedNativeSessionFile("file_name", "file", testFile);
     CrashlyticsReport.FilesPayload.File filesPayload = nativeSessionFile.asFilePayload();
     assertNotNull(filesPayload);
-    assertArrayEquals(testContents, filesPayload.getContents());
+    assertArrayEquals(
+        testContents, TestUtils.gzipToBytes(filesPayload.getContents(), testContents.length));
     assertEquals("file_name", filesPayload.getFilename());
   }
 
@@ -95,7 +96,7 @@ public void testAsFilePayloadWhenEmpty_returnsEmptyPayload() {
         new FileBackedNativeSessionFile("file_name", "file", emptyFile);
     CrashlyticsReport.FilesPayload.File filesPayload = nativeSessionFile.asFilePayload();
     assertNotNull(filesPayload);
-    assertArrayEquals(emptyContents, filesPayload.getContents());
+    assertArrayEquals(emptyContents, TestUtils.gzipToBytes(filesPayload.getContents(), 0));
     assertEquals("file_name", filesPayload.getFilename());
   }
 

firebase-crashlytics/src/androidTest/java/com/google/firebase/crashlytics/internal/common/SessionReportingCoordinatorTest.java

@@ -14,6 +14,7 @@
 
 package com.google.firebase.crashlytics.internal.common;
 
+import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyBoolean;
@@ -339,7 +340,11 @@ public void testFinalizeSessionWithNativeEvent_createsCrashlyticsReportWithNativ
     verify(reportPersistence).finalizeSessionWithNativeEvent(eq("id"), filesPayload.capture());
     CrashlyticsReport.FilesPayload ndkPayloadFinalized = filesPayload.getValue();
     assertEquals(1, ndkPayloadFinalized.getFiles().size());
-    assertEquals(testBytes, ndkPayloadFinalized.getFiles().get(0).getContents());
+
+    assertArrayEquals(
+        testBytes,
+        TestUtils.gzipToBytes(
+            ndkPayloadFinalized.getFiles().get(0).getContents(), testBytes.length));
     assertEquals(byteBackedSessionName, ndkPayloadFinalized.getFiles().get(0).getFilename());
   }
 

firebase-crashlytics/src/androidTest/java/com/google/firebase/crashlytics/internal/common/TestUtils.java

@@ -15,9 +15,11 @@
 package com.google.firebase.crashlytics.internal.common;
 
 import java.io.BufferedWriter;
+import java.io.ByteArrayInputStream;
 import java.io.File;
 import java.io.FileWriter;
 import java.io.IOException;
+import java.util.zip.GZIPInputStream;
 
 final class TestUtils {
   private TestUtils() {}
@@ -33,4 +35,16 @@ public static void writeStringToFile(String s, File f) throws IOException {
       }
     }
   }
+
+  public static byte[] gzipToBytes(byte[] compressed, int numBytes) {
+    byte[] outputArray = new byte[numBytes];
+    try {
+      ByteArrayInputStream bis = new ByteArrayInputStream(compressed);
+      GZIPInputStream gis = new GZIPInputStream(bis);
+      gis.read(outputArray);
+      return outputArray;
+    } catch (Exception e) {
+      return null;
+    }
+  }
 }