Merge blockly sub-tree

1 files changed, 181 insertions, 0 deletions

diff --git a/blockly/tests/generators/unittest_javascript.js b/blockly/tests/generators/unittest_javascript.js
new file mode 100644
index 0000000..9915686
--- /dev/null
+++ b/blockly/tests/generators/unittest_javascript.js
@@ -0,0 +1,181 @@
+/**
+ * @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];
+};