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ellen.spertus
2014-01-13 03:00:02 -08:00
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tests/generators/unittest_dart.js Normal file
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/**
* Visual Blocks Language
*
* Copyright 2012 Google Inc.
* http://blockly.googlecode.com/
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @fileoverview Generating Dart for unit test blocks.
* @author fraser@google.com (Neil Fraser)
*/
'use strict';
Blockly.Dart = Blockly.Generator.get('Dart');
Blockly.Dart.unittest_main = function() {
// Container for unit tests.
var resultsVar = Blockly.Dart.variableDB_.getName('unittestResults',
Blockly.Variables.NAME_TYPE);
if (!Blockly.Dart.definitions_['unittest_report']) {
var functionName = Blockly.Dart.variableDB_.getDistinctName(
'testReport', Blockly.Generator.NAME_TYPE);
Blockly.Dart.unittest_main.report = functionName;
var func = [];
func.push('String ' + functionName + '() {');
func.push(' // Create test report.');
func.push(' List report = [];');
func.push(' StringBuffer summary = new StringBuffer();');
func.push(' int fails = 0;');
func.push(' for (int x = 0; x < ' + resultsVar + '.length; x++) {');
func.push(' if (' + resultsVar + '[x][0]) {');
func.push(' summary.write(".");');
func.push(' } else {');
func.push(' summary.write("F");');
func.push(' fails++;');
func.push(' report.add("");');
func.push(' report.add("FAIL: ${' + resultsVar + '[x][2]}");');
func.push(' report.add(' + resultsVar + '[x][1]);');
func.push(' }');
func.push(' }');
func.push(' report.insertRange(0, 1, summary.toString());');
func.push(' report.add("");');
func.push(' report.add("Ran ${' + resultsVar + '.length} tests.");');
func.push(' report.add("");');
func.push(' if (fails != 0) {');
func.push(' report.add("FAILED (failures=$fails)");');
func.push(' } else {');
func.push(' report.add("OK");');
func.push(' }');
func.push(' return report.join("\\n");');
func.push('}');
func.push('');
Blockly.Dart.definitions_['unittest_report'] = func.join('\n');
}
// Setup global to hold test results.
var code = resultsVar + ' = [];\n';
// Run tests (unindented).
code += Blockly.Dart.statementToCode(this, 'DO')
.replace(/^ /, '').replace(/\n /g, '\n');
var reportVar = Blockly.Dart.variableDB_.getDistinctName(
'report', Blockly.Variables.NAME_TYPE);
code += 'String ' + reportVar + ' = ' +
Blockly.Dart.unittest_main.report + '();\n';
// Destroy results.
code += resultsVar + ' = null;\n';
// Print the report to the console (that's where errors will go anyway).
code += 'print(' + reportVar + ');\n';
return code;
};
Blockly.Dart.unittest_main.defineAssert_ = function() {
if (!Blockly.Dart.definitions_['unittest_assertequals']) {
var resultsVar = Blockly.Dart.variableDB_.getName('unittestResults',
Blockly.Variables.NAME_TYPE);
var functionName = Blockly.Dart.variableDB_.getDistinctName(
'assertEquals', Blockly.Generator.NAME_TYPE);
Blockly.Dart.unittest_main.assert_ = functionName;
var func = [];
func.push('void ' + functionName +
'(dynamic actual, dynamic expected, String message) {');
func.push(' // Asserts that a value equals another value.');
func.push(' if (' + resultsVar + ' == null) {');
func.push(' throw "Orphaned assert: ${message}";');
func.push(' }');
func.push(' if (actual == expected) {');
func.push(' ' + resultsVar + '.add([true, "OK", message]);');
func.push(' } else {');
func.push(' ' + resultsVar + '.add([false, ' +
'"Expected: $expected\\nActual: $actual", message]);');
func.push(' }');
func.push('}');
func.push('');
Blockly.Dart.definitions_['unittest_assertequals'] = func.join('\n');
}
return Blockly.Dart.unittest_main.assert_;
};
Blockly.Dart.unittest_assertequals = function() {
// Asserts that a value equals another value.
var resultsVar = Blockly.Dart.variableDB_.getName('unittestResults',
Blockly.Variables.NAME_TYPE);
var message = Blockly.Dart.quote_(this.getTitleValue('MESSAGE'));
var actual = Blockly.Dart.valueToCode(this, 'ACTUAL',
Blockly.Dart.ORDER_NONE) || 'null';
var expected = Blockly.Dart.valueToCode(this, 'EXPECTED',
Blockly.Dart.ORDER_NONE) || 'null';
return Blockly.Dart.unittest_main.defineAssert_() +
'(' + actual + ', ' + expected + ', ' + message + ');\n';
};
Blockly.Dart.unittest_assertvalue = function() {
// Asserts that a value is true, false, or null.
var resultsVar = Blockly.Dart.variableDB_.getName('unittestResults',
Blockly.Variables.NAME_TYPE);
var message = Blockly.Dart.quote_(this.getTitleValue('MESSAGE'));
var actual = Blockly.Dart.valueToCode(this, 'ACTUAL',
Blockly.Dart.ORDER_NONE) || 'true';
var expected = this.getTitleValue('EXPECTED');
if (expected == 'TRUE') {
expected = 'true';
} else if (expected == 'FALSE') {
expected = 'false';
} else if (expected == 'NULL') {
expected = 'null';
}
return Blockly.Dart.unittest_main.defineAssert_() +
'(' + actual + ', ' + expected + ', ' + message + ');\n';
};
Blockly.Dart.unittest_fail = function() {
// Always assert an error.
var resultsVar = Blockly.Dart.variableDB_.getName('unittestResults',
Blockly.Variables.NAME_TYPE);
var message = Blockly.Dart.quote_(this.getTitleValue('MESSAGE'));
if (!Blockly.Dart.definitions_['unittest_fail']) {
var functionName = Blockly.Dart.variableDB_.getDistinctName(
'fail', Blockly.Generator.NAME_TYPE);
Blockly.Dart.unittest_fail.assert = functionName;
var func = [];
func.push('void ' + functionName + '(String message) {');
func.push(' // Always assert an error.');
func.push(' if (' + resultsVar + ' == null) {');
func.push(' throw "Orphaned assert fail: ' + message + '";');
func.push(' }');
func.push(' ' + resultsVar + '.add([false, "Fail.", message]);');
func.push('}');
func.push('');
Blockly.Dart.definitions_['unittest_fail'] = func.join('\n');
}
return Blockly.Dart.unittest_fail.assert + '(' + message + ');\n';
};