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/**
* @license
* Visual Blocks Language
*
* Copyright 2012 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 JavaScript for unit test blocks.
* @author fraser@google.com (Neil Fraser)
*/
'use strict';
Blockly.JavaScript['unittest_main'] = function(block) {
// Container for unit tests.
var resultsVar = Blockly.JavaScript.variableDB_.getName('unittestResults',
Blockly.Variables.NAME_TYPE);
var functionName = Blockly.JavaScript.provideFunction_(
'unittest_report',
[ 'function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ + '() {',
' // Create test report.',
' var report = [];',
' var summary = [];',
' var fails = 0;',
' for (var i = 0; i < ' + resultsVar + '.length; i++) {',
' if (' + resultsVar + '[i][0]) {',
' summary.push(".");',
' } else {',
' summary.push("F");',
' fails++;',
' report.push("");',
' report.push("FAIL: " + ' + resultsVar + '[i][2]);',
' report.push(' + resultsVar + '[i][1]);',
' }',
' }',
' report.unshift(summary.join(""));',
' report.push("");',
' report.push("Number of tests run: " + ' + resultsVar +
'.length);',
' report.push("");',
' if (fails) {',
' report.push("FAILED (failures=" + fails + ")");',
' } else {',
' report.push("OK");',
' }',
' return report.join("\\n");',
'}']);
// Setup global to hold test results.
var code = resultsVar + ' = [];\n';
// Run tests (unindented).
code += Blockly.JavaScript.statementToCode(block, 'DO')
.replace(/^ /, '').replace(/\n /g, '\n');
var reportVar = Blockly.JavaScript.variableDB_.getDistinctName(
'report', Blockly.Variables.NAME_TYPE);
code += 'var ' + reportVar + ' = ' + functionName + '();\n';
// Destroy results.
code += resultsVar + ' = null;\n';
// Send the report to the console (that's where errors will go anyway).
code += 'console.log(' + reportVar + ');\n';
return code;
};
Blockly.JavaScript['unittest_main'].defineAssert_ = function(block) {
var resultsVar = Blockly.JavaScript.variableDB_.getName('unittestResults',
Blockly.Variables.NAME_TYPE);
var functionName = Blockly.JavaScript.provideFunction_(
'assertEquals',
[ 'function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
'(actual, expected, message) {',
' // Asserts that a value equals another value.',
' if (!' + resultsVar + ') {',
' throw "Orphaned assert: " + message;',
' }',
' function equals(a, b) {',
' if (a === b) {',
' return true;',
' } else if ((typeof a == "number") && (typeof b == "number") &&',
' (a.toPrecision(15) == b.toPrecision(15))) {',
' return true;',
' } else if (a instanceof Array && b instanceof Array) {',
' if (a.length != b.length) {',
' return false;',
' }',
' for (var i = 0; i < a.length; i++) {',
' if (!equals(a[i], b[i])) {',
' return false;',
' }',
' }',
' return true;',
' }',
' return false;',
' }',
' if (equals(actual, expected)) {',
' ' + resultsVar + '.push([true, "OK", message]);',
' } else {',
' ' + resultsVar + '.push([false, ' +
'"Expected: " + expected + "\\nActual: " + actual, message]);',
' }',
'}']);
return functionName;
};
Blockly.JavaScript['unittest_assertequals'] = function(block) {
// Asserts that a value equals another value.
var message = Blockly.JavaScript.valueToCode(block, 'MESSAGE',
Blockly.JavaScript.ORDER_NONE) || '';
var actual = Blockly.JavaScript.valueToCode(block, 'ACTUAL',
Blockly.JavaScript.ORDER_COMMA) || 'null';
var expected = Blockly.JavaScript.valueToCode(block, 'EXPECTED',
Blockly.JavaScript.ORDER_COMMA) || 'null';
return Blockly.JavaScript['unittest_main'].defineAssert_() +
'(' + actual + ', ' + expected + ', ' + message + ');\n';
};
Blockly.JavaScript['unittest_assertvalue'] = function(block) {
// Asserts that a value is true, false, or null.
var message = Blockly.JavaScript.valueToCode(block, 'MESSAGE',
Blockly.JavaScript.ORDER_NONE) || '';
var actual = Blockly.JavaScript.valueToCode(block, 'ACTUAL',
Blockly.JavaScript.ORDER_COMMA) || '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.JavaScript['unittest_main'].defineAssert_() +
'(' + actual + ', ' + expected + ', ' + message + ');\n';
};
Blockly.JavaScript['unittest_fail'] = function(block) {
// Always assert an error.
var resultsVar = Blockly.JavaScript.variableDB_.getName('unittestResults',
Blockly.Variables.NAME_TYPE);
var message = Blockly.JavaScript.valueToCode(block, 'MESSAGE',
Blockly.JavaScript.ORDER_NONE) || '';
var functionName = Blockly.JavaScript.provideFunction_(
'unittest_fail',
[ 'function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
'(message) {',
' // Always assert an error.',
' if (!' + resultsVar + ') {',
' throw "Orphaned assert fail: " + message;',
' }',
' ' + resultsVar + '.push([false, "Fail.", message]);',
'}']);
return functionName + '(' + message + ');\n';
};
Blockly.JavaScript['unittest_adjustindex'] = function(block) {
var index = Blockly.JavaScript.valueToCode(block, 'INDEX',
Blockly.JavaScript.ORDER_ADDITION) || '0';
// Adjust index if using one-based indexing.
if (Blockly.JavaScript.ONE_BASED_INDEXING) {
if (Blockly.isNumber(index)) {
// If the index is a naked number, adjust it right now.
return [parseFloat(index) + 1, Blockly.JavaScript.ORDER_ATOMIC];
} else {
// If the index is dynamic, adjust it in code.
index = index + ' + 1';
}
} else if (Blockly.isNumber(index)) {
return [index, Blockly.JavaScript.ORDER_ATOMIC];
}
return [index, Blockly.JavaScript.ORDER_ADDITION];
};
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