Migrated test block 25 to Dart 2.0.

tools/migration/bin/migrate_batch.dart

Index: tools/migration/bin/migrate_batch.dart
diff --git a/tools/migration/bin/migrate_batch.dart b/tools/migration/bin/migrate_batch.dart
index b0ae2b1f2722a5cf9940da0314a11dc39df77ed4..1556d92990c84c08f8d5b01949a2b52cfb871989 100644
--- a/tools/migration/bin/migrate_batch.dart
+++ b/tools/migration/bin/migrate_batch.dart
@@ -13,6 +13,7 @@ import 'dart:io';
 import 'package:path/path.dart' as p;
 
 import 'package:migration/src/log.dart';
+import 'package:migration/src/status_file.dart';

[jcollins, 2017/07/25 15:33:12]

This looks like changes from another branch?  Should be removed from this CL
before landing.

 
 const simpleDirs = const ["corelib", "language", "lib"];
 
@@ -40,8 +41,13 @@ void main(List<String> arguments) {
     exit(1);
   }
 
-  var first = toTwoPath(arguments[0]);
-  var last = toTwoPath(arguments[1]);
+  var first = arguments[0];
+  var last = arguments[1];
+
+  print("Preparing to migrate tests from ${bold(first)} to ${bold(last)}...");
+
+  first = toTwoPath(first);
+  last = toTwoPath(last);
 
   var tests = scanTests();
 
@@ -62,6 +68,11 @@ void main(List<String> arguments) {
     }
   }
 
+  if ((endIndex - startIndex) == 0) {
+    print(bold("No tests to migrate."));
+    return;
+  }
+
   print("Migrating ${bold(endIndex - startIndex)} tests from ${bold(first)} "
       "to ${bold(last)}...");
   print("");
@@ -93,6 +104,38 @@ void main(List<String> arguments) {
 
   print(summary);
   todos.forEach(todo);
+
+  // Print status file entries.
+  var statusFileEntries = "";
+  for (var i = startIndex; i < endIndex; i++) {
+    statusFileEntries += printStatusFileEntries(tests[i]);
+  }
+
+  new File("statuses.migration").writeAsStringSync(statusFileEntries);
+  print(
+      bold("Wrote relevant test status file entries to 'statuses.migration'"));
+}
+
+String printStatusFileEntries(Fork test) {
+  var statusFileEntries = "";
+  if (test.onePath != null && !test.oneStatusFile.isEmpty) {
+    statusFileEntries +=
+        bold("Status file entries for: ${test.onePath}") + "\n";
+    for (var section in test.oneStatusFile.sections) {
+      statusFileEntries += section.toString();
+    }
+  }
+  if (test.strongPath != null && !test.strongStatusFile.isEmpty) {
+    if (statusFileEntries != "") {
+      statusFileEntries += "\n";
+    }
+    statusFileEntries +=
+        bold("Status file entries for: ${test.strongPath}") + "\n";
+    for (var section in test.strongStatusFile.sections) {
+      statusFileEntries += section.toString();
+    }
+  }
+  return statusFileEntries;
 }
 
 String toTwoPath(String path) {
@@ -136,13 +179,17 @@ List<Fork> scanTests() {
       if (!entry.path.endsWith("_test.dart")) continue;
 
       var fromPath = p.relative(entry.path, from: testRoot);
+      var fromStatus = testRoot + "/$fromDir/${fromDir}.status";
+      var testName = entry.path.split("/").last.split(".")[0];
+      var statusFile = getStatusFileEntries(fromStatus, testName);
       var twoPath = p.join(twoDir, p.relative(fromPath, from: fromDir));
-
       var fork = tests.putIfAbsent(twoPath, () => new Fork(twoPath));
       if (fromDir.contains("_strong")) {
         fork.strongPath = fromPath;
+        fork.strongStatusFile = statusFile;
       } else {
         fork.onePath = fromPath;
+        fork.oneStatusFile = statusFile;
       }
     }
   }
@@ -161,6 +208,26 @@ List<Fork> scanTests() {
   return sorted;
 }
 
+StatusFile getStatusFileEntries(String path, String test) {
+  final statusFile = new StatusFile.read(path);
+  final filteredStatusFile = new StatusFile(path);
+  for (var section in statusFile.sections) {
+    StatusSection currentSection = null;
+    for (var entry in section.entries) {
+      if (entry.contains(test)) {
+        if (currentSection == null) {
+          currentSection = new StatusSection(section.condition);
+        }
+        currentSection.entries.add(entry);
+      }
+    }
+    if (currentSection != null) {
+      filteredStatusFile.sections.add(currentSection);
+    }
+  }
+  return filteredStatusFile;
+}
+
 /// Moves the file from [from] to [to], which are both assumed to be relative
 /// paths inside "tests".
 void moveFile(String from, String to) {
@@ -198,7 +265,9 @@ bool checkForUnitTest(String path, String source) {
 class Fork {
   final String twoPath;
   String onePath;
+  StatusFile oneStatusFile;
   String strongPath;
+  StatusFile strongStatusFile;
 
   String get twoSource {
     if (twoPath == null) return null;