Remove default MD5 in most of Bazel's virtual filesystems.

This forces the ex-default to be explicit in a lot of tests, but I'd rather that than have the risk of implicit md5-use in production code.

To keep this CL smaller, do not remove the default from UnixFS quite yet.

RELNOTES: None.
PiperOrigin-RevId: 206223521

1 files changed, 3 insertions, 2 deletions

diff --git a/src/test/java/com/google/devtools/build/lib/worker/ErrorMessageTest.java b/src/test/java/com/google/devtools/build/lib/worker/ErrorMessageTest.java
index 4607b22e74..98de2b8186 100644
--- a/src/test/java/com/google/devtools/build/lib/worker/ErrorMessageTest.java
+++ b/src/test/java/com/google/devtools/build/lib/worker/ErrorMessageTest.java
@@ -18,6 +18,7 @@ import static com.google.common.truth.Truth.assertThat;
 import static java.nio.charset.StandardCharsets.UTF_8;
 
 import com.google.devtools.build.lib.util.OS;
+import com.google.devtools.build.lib.vfs.DigestHashFunction;
 import com.google.devtools.build.lib.vfs.FileSystemUtils;
 import com.google.devtools.build.lib.vfs.Path;
 import com.google.devtools.build.lib.vfs.inmemoryfs.InMemoryFileSystem;
@@ -85,7 +86,7 @@ public class ErrorMessageTest {
 
   @Test
   public void testErrorMessageWithLogFile() throws Exception {
-    InMemoryFileSystem fs = new InMemoryFileSystem();
+    InMemoryFileSystem fs = new InMemoryFileSystem(DigestHashFunction.MD5);
     Path logFile = fs.getPath("/log.txt");
     FileSystemUtils.writeContent(logFile, UTF_8, logText);
     ErrorMessage errorMessage =
@@ -104,7 +105,7 @@ public class ErrorMessageTest {
       // TODO(#3536): This test is failing on Windows, probably due to line breaks. Fix it!
       return;
     }
-    InMemoryFileSystem fs = new InMemoryFileSystem();
+    InMemoryFileSystem fs = new InMemoryFileSystem(DigestHashFunction.MD5);
     // This file does not exist.
     Path logFile = fs.getPath("/nope.txt");
     ErrorMessage errorMessage =