Add more tests for BazelPackageUriResolver.resolveAbsolute().

pkg/analyzer/lib/src/generated/bazel.dart

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library analyzer.src.generated.bazel;
 
 import 'dart:collection';
 import 'dart:core';
 
 import 'package:analyzer/file_system/file_system.dart';
@@ skipping 55 matching lines @@
       // If the path either starts with a slash or has no slash, it is invalid.
       if (slash < 1) {
         return null;
       }
 
       String packageName = uriPath.substring(0, slash);
       String fileUriPart = uriPath.substring(slash + 1);
       String filePath = fileUriPart.replaceAll('/', _context.separator);
 
       if (packageName.indexOf('.') == -1) {
-        String path =
-            _context.join('third_party', 'dart', packageName, 'lib', filePath);
-        File file = _workspace.getFile(path);
+        String path = _context.join(_workspace.root, 'third_party', 'dart',
+            packageName, 'lib', filePath);
+        File file = _workspace.findFile(path);
         return file?.createSource(uri);
       } else {
         String packagePath = packageName.replaceAll('.', _context.separator);
         String path =
             _context.join(_workspace.root, packagePath, 'lib', filePath);
         File file = _workspace.findFile(path);
         return file?.createSource(uri);
       }
     });
   }
@@ skipping 68 matching lines @@
         }
       }
       // Not generated, return the default one.
       return provider.getFile(absolutePath);
     } catch (_) {
       return null;
     }
   }
 
   /**
-   * Return the file for the given [pathInWorkspace]. The file is returned even
-   * if it does not exist.
-   */
-  File getFile(String pathInWorkspace) {
-    return provider.getFile(provider.pathContext.join(root, pathInWorkspace));
-  }
-
-  /**
    * Find the Bazel workspace that contains the given [path].
    *
    * Return `null` if a workspace markers, such as the `WORKSPACE` file, or
    * the sibling `READONLY` folder cannot be found.
    *
    * Return `null` if the workspace does not have `bazel-genfiles` or
    * `blaze-genfiles` folders, so we don't know where to search generated files.
    *
    * Return `null` if there is a folder 'foo' with the sibling `READONLY`
    * folder, but there is corresponding folder 'foo' in `READONLY`, i.e. the
@@ skipping 63 matching lines @@
     Context context = provider.pathContext;
     if (provider.getFolder(context.join(root, 'blaze-genfiles')).exists) {
       return 'blaze';
     }
     if (provider.getFolder(context.join(root, 'bazel-genfiles')).exists) {
       return 'bazel';
     }
     return null;
   }
 }