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/**
* @license
* Visual Blocks Language
*
* Copyright 2014 Google Inc.
* https://developers.google.com/blockly/
*
* 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['unittest_main'] = function(block) {
// Container for unit tests.
var resultsVar = Blockly.Dart.variableDB_.getName('unittestResults',
Blockly.Variables.NAME_TYPE);
var functionName = Blockly.Dart.provideFunction_(
'unittest_report',
[ 'String ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ + '() {',
' // Create test report.',
' List report = [];',
' StringBuffer summary = new StringBuffer();',
' int fails = 0;',
' for (int x = 0; x < ' + resultsVar + '.length; x++) {',
' if (' + resultsVar + '[x][0]) {',
' summary.write(".");',
' } else {',
' summary.write("F");',
' fails++;',
' report.add("");',
' report.add("FAIL: ${' + resultsVar + '[x][2]}");',
' report.add(' + resultsVar + '[x][1]);',
' }',
' }',
' report.insert(0, summary.toString());',
' report.add("");',
' report.add("Ran ${' + resultsVar + '.length} tests.");',
' report.add("");',
' if (fails != 0) {',
' report.add("FAILED (failures=$fails)");',
' } else {',
' report.add("OK");',
' }',
' return report.join("\\n");',
'}']);
// Setup global to hold test results.
var code = resultsVar + ' = [];\n';
// Run tests (unindented).
code += Blockly.Dart.statementToCode(block, 'DO')
.replace(/^ /, '').replace(/\n /g, '\n');
var reportVar = Blockly.Dart.variableDB_.getDistinctName(
'report', Blockly.Variables.NAME_TYPE);
code += 'String ' + reportVar + ' = ' + functionName + '();\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() {
var resultsVar = Blockly.Dart.variableDB_.getName('unittestResults',
Blockly.Variables.NAME_TYPE);
var functionName = Blockly.Dart.provideFunction_(
'unittest_assertequals',
[ 'void ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ +
'(dynamic actual, dynamic expected, String message) {',
' // Asserts that a value equals another value.',
' if (' + resultsVar + ' == null) {',
' throw "Orphaned assert: ${message}";',
' }',
' bool equals(a, b) {',
' if (a == b) {',
' return true;',
' } else if (a is List && b is List) {',
' if (a.length != b.length) {',
' return false;',
' }',
' for (num i = 0; i < a.length; i++) {',
' if (!equals(a[i], b[i])) {',
' return false;',
' }',
' }',
' return true;',
' }',
' return false;',
' }',
' if (equals(actual, expected)) {',
' ' + resultsVar + '.add([true, "OK", message]);',
' } else {',
' ' + resultsVar + '.add([false, ' +
'"Expected: $expected\\nActual: $actual", message]);',
' }',
'}']);
return functionName;
};
Blockly.Dart['unittest_assertequals'] = function(block) {
// Asserts that a value equals another value.
var message = Blockly.Dart.valueToCode(block, 'MESSAGE',
Blockly.Dart.ORDER_NONE) || '';
var actual = Blockly.Dart.valueToCode(block, 'ACTUAL',
Blockly.Dart.ORDER_NONE) || 'null';
var expected = Blockly.Dart.valueToCode(block, 'EXPECTED',
Blockly.Dart.ORDER_NONE) || 'null';
return Blockly.Dart['unittest_main'].defineAssert_() +
'(' + actual + ', ' + expected + ', ' + message + ');\n';
};
Blockly.Dart['unittest_assertvalue'] = function(block) {
// Asserts that a value is true, false, or null.
var message = Blockly.Dart.valueToCode(block, 'MESSAGE',
Blockly.Dart.ORDER_NONE) || '';
var actual = Blockly.Dart.valueToCode(block, 'ACTUAL',
Blockly.Dart.ORDER_NONE) || 'null';
var expected = block.getFieldValue('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(block) {
// Always assert an error.
var resultsVar = Blockly.Dart.variableDB_.getName('unittestResults',
Blockly.Variables.NAME_TYPE);
var message = Blockly.Dart.valueToCode(block, 'MESSAGE',
Blockly.Dart.ORDER_NONE) || '';
var functionName = Blockly.Dart.provideFunction_(
'unittest_fail',
[ 'void ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ +
'(String message) {',
' // Always assert an error.',
' if (' + resultsVar + ' == null) {',
' throw "Orphaned assert fail: ${message}";',
' }',
' ' + resultsVar + '.add([false, "Fail.", message]);',
'}']);
return functionName + '(' + message + ');\n';
};
Blockly.Dart['unittest_adjustindex'] = function(block) {
var index = Blockly.Dart.valueToCode(block, 'INDEX',
Blockly.Dart.ORDER_ADDITIVE) || '0';
// Adjust index if using one-based indexing.
if (Blockly.Dart.ONE_BASED_INDEXING) {
if (Blockly.isNumber(index)) {
// If the index is a naked number, adjust it right now.
return [parseFloat(index) + 1, Blockly.Dart.ORDER_ATOMIC];
} else {
// If the index is dynamic, adjust it in code.
index = index + ' + 1';
}
} else if (Blockly.isNumber(index)) {
return [index, Blockly.Dart.ORDER_ATOMIC];
}
return [index, Blockly.Dart.ORDER_ADDITIVE];
};
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