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| 1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 | |
| 5 library trydart.test.program_result; | |
| 6 | |
| 7 import 'dart:convert' show | |
| 8 JSON; | |
| 9 | |
| 10 import '../poi/source_update.dart'; | |
| 11 | |
| 12 class ProgramResult { | |
| 13 final /* Map<String, String> or String */ code; | |
| 14 | |
| 15 final List<String> messages; | |
| 16 | |
| 17 final bool compileUpdatesShouldThrow; | |
| 18 | |
| 19 const ProgramResult( | |
| 20 this.code, this.messages, {this.compileUpdatesShouldThrow: false}); | |
| 21 | |
| 22 List<String> messagesWith(String extra) { | |
| 23 return new List<String>.from(messages)..add(extra); | |
| 24 } | |
| 25 | |
| 26 String toString() { | |
| 27 return """ | |
| 28 ProgramResult( | |
| 29 ${JSON.encode(code)}, | |
| 30 ${JSON.encode(messages)}, | |
| 31 compileUpdatesShouldThrow: $compileUpdatesShouldThrow)"""; | |
| 32 } | |
| 33 } | |
| 34 | |
| 35 class ProgramExpectation { | |
| 36 final List<String> messages; | |
| 37 | |
| 38 final bool compileUpdatesShouldThrow; | |
| 39 | |
| 40 const ProgramExpectation( | |
| 41 this.messages, {this.compileUpdatesShouldThrow: false}); | |
| 42 | |
| 43 ProgramResult toResult(String code) { | |
| 44 return new ProgramResult( | |
| 45 code, messages, compileUpdatesShouldThrow: compileUpdatesShouldThrow); | |
| 46 } | |
| 47 } | |
| 48 | |
| 49 class EncodedResult { | |
| 50 final /* String or List */ updates; | |
| 51 | |
| 52 final List expectations; | |
| 53 | |
| 54 const EncodedResult(this.updates, this.expectations); | |
| 55 | |
| 56 List<ProgramResult> decode() { | |
| 57 if (updates is List) { | |
| 58 if (updates.length == 1) { | |
| 59 throw new StateError("Trivial diff, no reason to use decode."); | |
| 60 } | |
| 61 List<String> sources = expandUpdates(updates); | |
| 62 if (sources.length != expectations.length) { | |
| 63 throw new StateError( | |
| 64 "Number of sources and expectations differ" | |
| 65 " (${sources.length} sources," | |
| 66 " ${expectations.length} expectations)."); | |
| 67 } | |
| 68 List<ProgramResult> result = new List<ProgramResult>(sources.length); | |
| 69 for (int i = 0; i < sources.length; i++) { | |
| 70 result[i] = expectations[i].toResult(sources[i]); | |
| 71 } | |
| 72 return result; | |
| 73 } else if (updates is String) { | |
| 74 Map<String, String> files = splitFiles(updates); | |
| 75 Map<String, List<String>> fileMap = <String, List<String>>{}; | |
| 76 int updateCount = -1; | |
| 77 for (String name in files.keys) { | |
| 78 if (name.endsWith(".patch")) { | |
| 79 String realname = name.substring(0, name.length - ".patch".length); | |
| 80 if (files.containsKey(realname)) { | |
| 81 throw new StateError("Patch '$name' conflicts with '$realname'"); | |
| 82 } | |
| 83 if (fileMap.containsKey(realname)) { | |
| 84 // Can't happen. | |
| 85 throw new StateError("Duplicated entry for '$realname'."); | |
| 86 } | |
| 87 List<String> updates = expandUpdates(expandDiff(files[name])); | |
| 88 if (updates.length == 1) { | |
| 89 throw new StateError("No patches found in:\n ${files[name]}"); | |
| 90 } | |
| 91 if (updateCount == -1) { | |
| 92 updateCount = updates.length; | |
| 93 } else if (updateCount != updates.length) { | |
| 94 throw new StateError( | |
| 95 "Unexpected number of patches: ${updates.length}," | |
| 96 " expected ${updateCount}"); | |
| 97 } | |
| 98 fileMap[realname] = updates; | |
| 99 } | |
| 100 } | |
| 101 if (updateCount == -1) { | |
| 102 throw new StateError("No patch files in $updates"); | |
| 103 } | |
| 104 for (String name in files.keys) { | |
| 105 if (!name.endsWith(".patch")) { | |
| 106 fileMap[name] = new List<String>.filled(updateCount, files[name]); | |
| 107 } | |
| 108 } | |
| 109 if (updateCount != expectations.length) { | |
| 110 throw new StateError( | |
| 111 "Number of patches and expectations differ " | |
| 112 "(${updateCount} patches, ${expectations.length} expectations)."); | |
| 113 } | |
| 114 List<ProgramResult> result = new List<ProgramResult>(updateCount); | |
| 115 for (int i = 0; i < updateCount; i++) { | |
| 116 ProgramExpectation expectation = decodeExpectation(expectations[i]); | |
| 117 result[i] = new ProgramResult( | |
| 118 <String, String>{}, | |
| 119 expectation.messages, | |
| 120 compileUpdatesShouldThrow: expectation.compileUpdatesShouldThrow); | |
| 121 } | |
| 122 for (String name in fileMap.keys) { | |
| 123 for (int i = 0; i < updateCount; i++) { | |
| 124 result[i].code[name] = fileMap[name][i]; | |
| 125 } | |
| 126 } | |
| 127 return result; | |
| 128 } else { | |
| 129 throw new StateError("Unknown encoding of updates"); | |
| 130 } | |
| 131 } | |
| 132 } | |
| 133 | |
| 134 ProgramExpectation decodeExpectation(expectation) { | |
| 135 if (expectation is ProgramExpectation) { | |
| 136 return expectation; | |
| 137 } else if (expectation is String) { | |
| 138 return new ProgramExpectation(<String>[expectation]); | |
| 139 } else if (expectation is List) { | |
| 140 return new ProgramExpectation(new List<String>.from(expectation)); | |
| 141 } else { | |
| 142 throw new ArgumentError("Don't know how to decode $expectation"); | |
| 143 } | |
| 144 } | |
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