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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 Python for unit test blocks.
* @author fraser@google.com (Neil Fraser)
*/
'use strict';
Blockly.Python['unittest_main'] = function(block) {
// Container for unit tests.
var resultsVar = Blockly.Python.variableDB_.getName('unittestResults',
Blockly.Variables.NAME_TYPE);
var functionName = Blockly.Python.provideFunction_(
'unittest_report',
['def ' + Blockly.Python.FUNCTION_NAME_PLACEHOLDER_ + '():',
' # Create test report.',
' report = []',
' summary = []',
' fails = 0',
' for (success, log, message) in ' + resultsVar + ':',
' if success:',
' summary.append(".")',
' else:',
' summary.append("F")',
' fails += 1',
' report.append("")',
' report.append("FAIL: " + message)',
' report.append(log)',
' report.insert(0, "".join(summary))',
' report.append("")',
' report.append("Number of tests run: %d" % len(' + resultsVar + '))',
' report.append("")',
' if fails:',
' report.append("FAILED (failures=%d)" % fails)',
' else:',
' report.append("OK")',
' return "\\n".join(report)']);
// Setup global to hold test results.
var code = resultsVar + ' = []\n';
// Run tests (unindented).
code += Blockly.Python.statementToCode(block, 'DO')
.replace(/^ /, '').replace(/\n /g, '\n');
var reportVar = Blockly.Python.variableDB_.getDistinctName(
'report', Blockly.Variables.NAME_TYPE);
code += reportVar + ' = ' + functionName + '()\n';
// Destroy results.
code += resultsVar + ' = None\n';
// Print the report.
code += 'print(' + reportVar + ')\n';
return code;
};
Blockly.Python['unittest_main'].defineAssert_ = function() {
var resultsVar = Blockly.Python.variableDB_.getName('unittestResults',
Blockly.Variables.NAME_TYPE);
var functionName = Blockly.Python.provideFunction_(
'assertEquals',
['def ' + Blockly.Python.FUNCTION_NAME_PLACEHOLDER_ +
'(actual, expected, message):',
' # Asserts that a value equals another value.',
' if ' + resultsVar + ' == None:',
' raise Exception("Orphaned assert equals: " + message)',
' if actual == expected:',
' ' + resultsVar + '.append((True, "OK", message))',
' else:',
' ' + resultsVar + '.append((False, ' +
'"Expected: %s\\nActual: %s" % (expected, actual), message))']);
return functionName;
};
Blockly.Python['unittest_assertequals'] = function(block) {
// Asserts that a value equals another value.
var message = Blockly.Python.valueToCode(block, 'MESSAGE',
Blockly.Python.ORDER_NONE) || '';
var actual = Blockly.Python.valueToCode(block, 'ACTUAL',
Blockly.Python.ORDER_NONE) || 'None';
var expected = Blockly.Python.valueToCode(block, 'EXPECTED',
Blockly.Python.ORDER_NONE) || 'None';
return Blockly.Python['unittest_main'].defineAssert_() +
'(' + actual + ', ' + expected + ', ' + message + ')\n';
};
Blockly.Python['unittest_assertvalue'] = function(block) {
// Asserts that a value is true, false, or null.
var message = Blockly.Python.valueToCode(block, 'MESSAGE',
Blockly.Python.ORDER_NONE) || '';
var actual = Blockly.Python.valueToCode(block, 'ACTUAL',
Blockly.Python.ORDER_NONE) || 'None';
var expected = block.getFieldValue('EXPECTED');
if (expected == 'TRUE') {
expected = 'True';
} else if (expected == 'FALSE') {
expected = 'False';
} else if (expected == 'NULL') {
expected = 'None';
}
return Blockly.Python['unittest_main'].defineAssert_() +
'(' + actual + ', ' + expected + ', ' + message + ')\n';
};
Blockly.Python['unittest_fail'] = function(block) {
// Always assert an error.
var resultsVar = Blockly.Python.variableDB_.getName('unittestResults',
Blockly.Variables.NAME_TYPE);
var message = Blockly.Python.valueToCode(block, 'MESSAGE',
Blockly.Python.ORDER_NONE) || '';
var functionName = Blockly.Python.provideFunction_(
'fail',
['def ' + Blockly.Python.FUNCTION_NAME_PLACEHOLDER_ + '(message):',
' # Always assert an error.',
' if ' + resultsVar + ' == None:',
' raise Exception("Orphaned assert equals: " + message)',
' ' + resultsVar + '.append((False, "Fail.", message))']);
return functionName + '(' + message + ')\n';
};
Blockly.Python['unittest_adjustindex'] = function(block) {
var index = Blockly.Python.valueToCode(block, 'INDEX',
Blockly.Python.ORDER_ADDITIVE) || '0';
// Adjust index if using one-based indexing.
if (Blockly.Python.ONE_BASED_INDEXING) {
if (Blockly.isNumber(index)) {
// If the index is a naked number, adjust it right now.
return [parseFloat(index) + 1, Blockly.Python.ORDER_ATOMIC];
} else {
// If the index is dynamic, adjust it in code.
index = index + ' + 1';
}
} else if (Blockly.isNumber(index)) {
return [index, Blockly.Python.ORDER_ATOMIC];
}
return [index, Blockly.Python.ORDER_ADDITIVE];
};
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