Rename fletch -> dartino

tests/fletchc/incremental/program_result.dart

-// Copyright (c) 2014, 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 fletchc.test.program_result;
-
-import 'dart:convert' show
-    JSON;
-
-import 'source_update.dart';
-
-class ProgramResult {
-  final /* Map<String, String> or String */ code;
-
-  final List<String> messages;
-
-  final bool compileUpdatesShouldThrow;
-
-  final bool commitChangesShouldFail;
-
-  final bool hasCompileTimeError;
-
-  const ProgramResult(
-      this.code,
-      this.messages,
-      {this.compileUpdatesShouldThrow: false,
-       this.commitChangesShouldFail: false,
-       this.hasCompileTimeError: false});
-
-  String toString() {
-    return """
-ProgramResult(
-    ${JSON.encode(code)},
-    ${JSON.encode(messages)},
-    commitChangesShouldFail: $commitChangesShouldFail,
-    compileUpdatesShouldThrow: $compileUpdatesShouldThrow,
-    hasCompileTimeError: $hasCompileTimeError)""";
-  }
-}
-
-class ProgramExpectation {
-  final List<String> messages;
-
-  final bool compileUpdatesShouldThrow;
-
-  final bool commitChangesShouldFail;
-
-  final bool hasCompileTimeError;
-
-  const ProgramExpectation(
-      this.messages,
-      {this.compileUpdatesShouldThrow: false,
-       this.commitChangesShouldFail: false,
-       this.hasCompileTimeError: false});
-
-  factory ProgramExpectation.fromJson(String json) {
-    var data = JSON.decode(json);
-    if (data is String) {
-      data = <String>[data];
-    }
-    if (data is List) {
-      return new ProgramExpectation(data);
-    }
-    return new ProgramExpectation(
-        extractMessages(data),
-        compileUpdatesShouldThrow: extractCompileUpdatesShouldThrow(data),
-        commitChangesShouldFail: extractCommitChangesShouldFail(data),
-        hasCompileTimeError: extractHasCompileTimeError(data));
-  }
-
-  ProgramResult toResult(/* Map<String, String> or String */ code) {
-    return new ProgramResult(
-        code,
-        messages,
-        compileUpdatesShouldThrow: compileUpdatesShouldThrow,
-        commitChangesShouldFail: commitChangesShouldFail,
-        hasCompileTimeError: hasCompileTimeError);
-  }
-
-  toJson() {
-    if (!compileUpdatesShouldThrow && !commitChangesShouldFail) {
-      return messages.length == 1 ? messages.first : messages;
-    }
-    Map<String, dynamic> result = <String, dynamic>{
-      "messages": messages,
-    };
-    if (compileUpdatesShouldThrow) {
-      result['compileUpdatesShouldThrow'] = 1;
-    }
-    if (commitChangesShouldFail) {
-      result['commitChangesShouldFail'] = 1;
-    }
-    if (hasCompileTimeError) {
-      result['hasCompileTimeError'] = 1;
-    }
-    return result;
-  }
-
-  String toString() {
-    return """
-ProgramExpectation(
-    ${JSON.encode(messages)},
-    commitChangesShouldFail: $commitChangesShouldFail,
-    compileUpdatesShouldThrow: $compileUpdatesShouldThrow,
-    hasCompileTimeError: $hasCompileTimeError)""";
-  }
-
-  static List<String> extractMessages(Map<String, dynamic> json) {
-    return new List<String>.from(json["messages"]);
-  }
-
-  static bool extractCompileUpdatesShouldThrow(Map<String, dynamic> json) {
-    return json["compileUpdatesShouldThrow"] == 1;
-  }
-
-  static bool extractCommitChangesShouldFail(Map<String, dynamic> json) {
-    return json["commitChangesShouldFail"] == 1;
-  }
-
-  static bool extractHasCompileTimeError(Map<String, dynamic> json) {
-    return json["hasCompileTimeError"] == 1;
-  }
-}
-
-class EncodedResult {
-  final /* String or List */ updates;
-
-  final List expectations;
-
-  const EncodedResult(this.updates, this.expectations);
-
-  List<ProgramResult> decode() {
-    if (updates is List) {
-      if (updates.length == 1) {
-        throw new StateError("Trivial diff, no reason to use decode.");
-      }
-      List<String> sources = expandUpdates(updates);
-      List expectations = this.expectations;
-      if (sources.length != expectations.length) {
-        throw new StateError(
-            "Number of sources and expectations differ"
-            " (${sources.length} sources,"
-            " ${expectations.length} expectations).");
-      }
-      List<ProgramResult> result = new List<ProgramResult>(sources.length);
-      for (int i = 0; i < sources.length; i++) {
-        result[i] = expectations[i].toResult(sources[i]);
-      }
-      return result;
-    } else if (updates is String) {
-      Map<String, String> files = splitFiles(updates);
-      Map<String, List<String>> fileMap = <String, List<String>>{};
-      int updateCount = -1;
-      for (String name in files.keys) {
-        if (name.endsWith(".patch")) {
-          String realname = name.substring(0, name.length - ".patch".length);
-          if (files.containsKey(realname)) {
-            throw new StateError("Patch '$name' conflicts with '$realname'");
-          }
-          if (fileMap.containsKey(realname)) {
-            // Can't happen.
-            throw new StateError("Duplicated entry for '$realname'.");
-          }
-          List<String> updates = expandUpdates(expandDiff(files[name]));
-          if (updates.length == 1) {
-            throw new StateError("No patches found in:\n ${files[name]}");
-          }
-          if (updateCount == -1) {
-            updateCount = updates.length;
-          } else if (updateCount != updates.length) {
-            throw new StateError(
-                "Unexpected number of patches: ${updates.length},"
-                " expected ${updateCount}");
-          }
-          fileMap[realname] = updates;
-        }
-      }
-      if (updateCount == -1) {
-        throw new StateError("No patch files in $updates");
-      }
-      for (String name in files.keys) {
-        if (!name.endsWith(".patch")) {
-          fileMap[name] = new List<String>.filled(updateCount, files[name]);
-        }
-      }
-      if (updateCount != expectations.length) {
-        throw new StateError(
-            "Number of patches and expectations differ "
-            "(${updateCount} patches, ${expectations.length} expectations).");
-      }
-      List<ProgramResult> result = new List<ProgramResult>(updateCount);
-      for (int i = 0; i < updateCount; i++) {
-        ProgramExpectation expectation = decodeExpectation(expectations[i]);
-        result[i] = expectation.toResult(<String, String>{});
-      }
-      for (String name in fileMap.keys) {
-        for (int i = 0; i < updateCount; i++) {
-          result[i].code[name] = fileMap[name][i];
-        }
-      }
-      return result;
-    } else {
-      throw new StateError("Unknown encoding of updates");
-    }
-  }
-}
-
-ProgramExpectation decodeExpectation(expectation) {
-  if (expectation is ProgramExpectation) {
-    return expectation;
-  } else if (expectation is String) {
-    return new ProgramExpectation(<String>[expectation]);
-  } else if (expectation is List) {
-    return new ProgramExpectation(new List<String>.from(expectation));
-  } else {
-    throw new ArgumentError("Don't know how to decode $expectation");
-  }
-}
-
-Map<String, EncodedResult> computeTests(List<String> tests) {
-  Map<String, EncodedResult> result = <String, EncodedResult>{};
-  for (String test in tests) {
-    int firstLineEnd = test.indexOf("\n");
-    String testName = test.substring(0, firstLineEnd);
-    test = test.substring(firstLineEnd + 1);
-    Map<String, String> files = splitFiles(test);
-    bool isFirstPatch = true;
-    List<ProgramExpectation> expectations;
-    files.forEach((String filename, String source) {
-      if (filename.endsWith(".patch")) {
-        if (isFirstPatch) {
-          expectations = extractJsonExpectations(source);
-        }
-        isFirstPatch = false;
-      }
-    });
-    if (result.containsKey(testName)) {
-      throw new StateError("'$testName' is duplicated");
-    }
-    result[testName] = new EncodedResult(test, expectations);
-  }
-  return result;
-}
-
-List<ProgramExpectation> extractJsonExpectations(String source) {
-  return new List<ProgramExpectation>.from(source.split("\n")
-      .where((l) => l.startsWith("<<<< ") || l.startsWith("==== "))
-      .map((l) => l.substring("<<<< ".length))
-      .map((l) => new ProgramExpectation.fromJson(l)));
-}