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node_modules/esprima-fb/test/runner.js

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+/*
+  Copyright (C) 2012 Ariya Hidayat <ariya.hidayat@gmail.com>
+  Copyright (C) 2012 Joost-Wim Boekesteijn <joost-wim@boekesteijn.nl>
+  Copyright (C) 2012 Yusuke Suzuki <utatane.tea@gmail.com>
+  Copyright (C) 2012 Arpad Borsos <arpad.borsos@googlemail.com>
+  Copyright (C) 2011 Ariya Hidayat <ariya.hidayat@gmail.com>
+  Copyright (C) 2011 Yusuke Suzuki <utatane.tea@gmail.com>
+  Copyright (C) 2011 Arpad Borsos <arpad.borsos@googlemail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/*jslint browser:true node:true */
+/*global esprima:true, testFixture:true */
+
+var runTests;
+
+// Special handling for regular expression literals: remove their `value`
+// property since it may be `null` if it represents a regular expression
+// that is not supported in the current environment. The `regex` property
+// will be compared instead.
+function adjustRegexLiteral(key, value) {
+    'use strict';
+    if (key === 'value' && value instanceof RegExp) {
+        value = value.toString();
+    }
+    return value;
+}
+
+function NotMatchingError(expected, actual) {
+    'use strict';
+    Error.call(this, 'Expected ');
+    this.expected = expected;
+    this.actual = actual;
+}
+NotMatchingError.prototype = new Error();
+
+function errorToObject(e) {
+    'use strict';
+    var msg = e.toString();
+
+    // Opera 9.64 produces an non-standard string in toString().
+    if (msg.substr(0, 6) !== 'Error:') {
+        if (typeof e.message === 'string') {
+            msg = 'Error: ' + e.message;
+        }
+    }
+
+    return {
+        index: e.index,
+        lineNumber: e.lineNumber,
+        column: e.column,
+        message: msg
+    };
+}
+
+function needLoc(syntax) {
+    var need = true;
+    if (typeof syntax.tokens !== 'undefined' && syntax.tokens.length > 0) {
+        need = (typeof syntax.tokens[0].loc !== 'undefined');
+    }
+    if (typeof syntax.comments !== 'undefined' && syntax.comments.length > 0) {
+        need = (typeof syntax.comments[0].loc !== 'undefined');
+    }
+    return need;
+}
+
+function needRange(syntax) {
+    var need = true;
+    if (typeof syntax.tokens !== 'undefined' && syntax.tokens.length > 0) {
+        need = (typeof syntax.tokens[0].range !== 'undefined');
+    }
+    if (typeof syntax.comments !== 'undefined' && syntax.comments.length > 0) {
+        need = (typeof syntax.comments[0].range !== 'undefined');
+    }
+    return need;
+}
+
+function hasAttachedComment(syntax) {
+    var key;
+    for (key in syntax) {
+        if (key === 'leadingComments' || key === 'trailingComments') {
+            return true;
+        }
+        if (syntax[key] && typeof syntax[key] === 'object') {
+            if (hasAttachedComment(syntax[key])) {
+                return true;
+            }
+        }
+    }
+    return false;
+}
+
+function testParse(esprima, code, syntax, testOptions) {
+    'use strict';
+    var expected, tree, actual, options, StringObject, i, len, err;
+
+    // alias, so that JSLint does not complain.
+    StringObject = String;
+
+    options = {
+        comment: (typeof syntax.comments !== 'undefined'),
+        range: needRange(syntax),
+        loc: needLoc(syntax),
+        tokens: (typeof syntax.tokens !== 'undefined'),
+        raw: true,
+        tolerant: (typeof syntax.errors !== 'undefined'),
+        source: null,
+        sourceType: testOptions.sourceType
+    };
+
+    if (options.comment) {
+        options.attachComment = hasAttachedComment(syntax);
+    }
+
+    if (options.loc) {
+        options.source = syntax.loc.source;
+    }
+
+    expected = JSON.stringify(syntax, adjustRegexLiteral, 4);
+    try {
+        tree = esprima.parse(code, options);
+        tree = (options.comment || options.tokens || options.tolerant) ? tree : tree.body[0];
+
+        if (options.tolerant) {
+            for (i = 0, len = tree.errors.length; i < len; i += 1) {
+                tree.errors[i] = errorToObject(tree.errors[i]);
+            }
+        }
+
+        actual = JSON.stringify(tree, adjustRegexLiteral, 4);
+
+        // Only to ensure that there is no error when using string object.
+        esprima.parse(new StringObject(code), options);
+
+    } catch (e) {
+        throw new NotMatchingError(expected, e.toString());
+    }
+    if (expected !== actual) {
+        throw new NotMatchingError(expected, actual);
+    }
+
+    function filter(key, value) {
+        if (key === 'value' && value instanceof RegExp) {
+            value = value.toString();
+        }
+        return (key === 'loc' || key === 'range') ? undefined : value;
+    }
+
+    if (options.tolerant) {
+        return;
+    }
+
+
+    // Check again without any location info.
+    options.range = false;
+    options.loc = false;
+    expected = JSON.stringify(syntax, filter, 4);
+    try {
+        tree = esprima.parse(code, options);
+        tree = (options.comment || options.tokens) ? tree : tree.body[0];
+
+        if (options.tolerant) {
+            for (i = 0, len = tree.errors.length; i < len; i += 1) {
+                tree.errors[i] = errorToObject(tree.errors[i]);
+            }
+        }
+
+        actual = JSON.stringify(tree, filter, 4);
+    } catch (e) {
+        throw new NotMatchingError(expected, e.toString());
+    }
+    if (expected !== actual) {
+        throw new NotMatchingError(expected, actual);
+    }
+}
+
+function mustHaveLocRange(testName, node, needLoc, needRange, stack) {
+    var error;
+    if (node.hasOwnProperty('type')) {
+      if (needLoc && !node.loc) {
+        error = "doesn't have 'loc' property";
+      }
+      if (needRange && !node.range) {
+        error = "doesn't have 'range' property";
+      }
+      if (error) {
+        stack = stack.length ? ' at [' + stack.join('][') + ']' : '';
+        throw new Error("Test '" + testName + "'" + stack + " (type = " + node.type + ") " + error);
+      }
+    }
+    for (i in node) {
+        if (node.hasOwnProperty(i) && node[i] !== null && typeof node[i] === 'object') {
+            stack.push(i);
+            mustHaveLocRange(testName, node[i], needLoc, needRange, stack);
+            stack.pop();
+        }
+    }
+}
+
+function testTokenize(esprima, code, tokens, testOptions) {
+    'use strict';
+    var options, expected, actual, tree;
+
+    options = {
+        comment: true,
+        tolerant: true,
+        loc: true,
+        range: true,
+        sourceType: testOptions.sourceType
+    };
+
+    expected = JSON.stringify(tokens, null, 4);
+
+    try {
+        tree = esprima.tokenize(code, options);
+        actual = JSON.stringify(tree, null, 4);
+    } catch (e) {
+        throw new NotMatchingError(expected, e.toString());
+    }
+    if (expected !== actual) {
+        throw new NotMatchingError(expected, actual);
+    }
+}
+
+function testError(esprima, code, exception, testOptions) {
+    'use strict';
+    var i, options, expected, actual, err, handleInvalidRegexFlag, tokenize,
+        sourceType;
+
+    // Different parsing options should give the same error.
+    options = [
+        { sourceType: testOptions.sourceType },
+        { sourceType: testOptions.sourceType, comment: true },
+        { sourceType: testOptions.sourceType, raw: true },
+        { sourceType: testOptions.sourceType, raw: true, comment: true }
+    ];
+
+    // If handleInvalidRegexFlag is true, an invalid flag in a regular expression
+    // will throw an exception. In some old version of V8, this is not the case
+    // and hence handleInvalidRegexFlag is false.
+    handleInvalidRegexFlag = false;
+    try {
+        'test'.match(new RegExp('[a-z]', 'x'));
+    } catch (e) {
+        handleInvalidRegexFlag = true;
+    }
+
+    exception.description = exception.message.replace(/Error: Line [0-9]+: /, '');
+
+    if (exception.tokenize) {
+        tokenize = true;
+        exception.tokenize = undefined;
+    }
+    expected = JSON.stringify(exception);
+
+    for (i = 0; i < options.length; i += 1) {
+
+        try {
+            if (tokenize) {
+                esprima.tokenize(code, options[i])
+            } else {
+                esprima.parse(code, options[i]);
+            }
+        } catch (e) {
+            err = errorToObject(e);
+            err.description = e.description;
+            actual = JSON.stringify(err);
+        }
+
+        if (expected !== actual) {
+
+            // Compensate for old V8 which does not handle invalid flag.
+            if (exception.message.indexOf('Invalid regular expression') > 0) {
+                if (typeof actual === 'undefined' && !handleInvalidRegexFlag) {
+                    return;
+                }
+            }
+
+            throw new NotMatchingError(expected, actual);
+        }
+
+    }
+}
+
+function testAPI(esprima, code, result) {
+    'use strict';
+    var expected, res, actual;
+
+    expected = JSON.stringify(result.result, null, 4);
+    try {
+        if (typeof result.property !== 'undefined') {
+            res = esprima[result.property];
+        } else {
+            res = esprima[result.call].apply(esprima, result.args);
+        }
+        actual = JSON.stringify(res, adjustRegexLiteral, 4);
+    } catch (e) {
+        throw new NotMatchingError(expected, e.toString());
+    }
+    if (expected !== actual) {
+        throw new NotMatchingError(expected, actual);
+    }
+}
+
+function runTest(esprima, code, result, options) {
+    'use strict';
+    if (result.hasOwnProperty('lineNumber')) {
+        testError(esprima, code, result, options);
+    } else if (result.hasOwnProperty('result')) {
+        testAPI(esprima, code, result);
+    } else if (result instanceof Array) {
+        testTokenize(esprima, code, result, options);
+    } else {
+        testParse(esprima, code, result, options);
+    }
+}
+
+if (typeof window !== 'undefined') {
+    // Run all tests in a browser environment.
+    runTests = function () {
+        'use strict';
+        var total = 0,
+            failures = 0,
+            category,
+            fixture,
+            source,
+            tick,
+            expected,
+            index,
+            len;
+
+        function setText(el, str) {
+            if (typeof el.innerText === 'string') {
+                el.innerText = str;
+            } else {
+                el.textContent = str;
+            }
+        }
+
+        function startCategory(category) {
+            var report, e;
+            report = document.getElementById('report');
+            e = document.createElement('h4');
+            setText(e, category);
+            report.appendChild(e);
+        }
+
+        function reportSuccess(code) {
+            var report, e;
+            report = document.getElementById('report');
+            e = document.createElement('pre');
+            e.setAttribute('class', 'code');
+            setText(e, code);
+            report.appendChild(e);
+        }
+
+        function reportFailure(code, expected, actual) {
+            var report, e;
+
+            report = document.getElementById('report');
+
+            e = document.createElement('p');
+            setText(e, 'Code:');
+            report.appendChild(e);
+
+            e = document.createElement('pre');
+            e.setAttribute('class', 'code');
+            setText(e, code);
+            report.appendChild(e);
+
+            e = document.createElement('p');
+            setText(e, 'Expected');
+            report.appendChild(e);
+
+            e = document.createElement('pre');
+            e.setAttribute('class', 'expected');
+            setText(e, expected);
+            report.appendChild(e);
+
+            e = document.createElement('p');
+            setText(e, 'Actual');
+            report.appendChild(e);
+
+            e = document.createElement('pre');
+            e.setAttribute('class', 'actual');
+            setText(e, actual);
+            report.appendChild(e);
+        }
+
+        setText(document.getElementById('version'), esprima.version);
+
+        tick = new Date();
+        for (category in testFixture) {
+            if (testFixture.hasOwnProperty(category)) {
+                var categoryOptions = testFixtureOptions[category] || {};
+                startCategory(category);
+                fixture = testFixture[category];
+                for (source in fixture) {
+                    if (fixture.hasOwnProperty(source)) {
+                        var sourceOptions =
+                            categoryOptions.hasOwnProperty(source)
+                            ? categoryOptions[source]
+                            : categoryOptions;
+
+                        expected = fixture[source];
+                        total += 1;
+                        try {
+
+                            runTest(esprima, source, expected, sourceOptions);
+                            reportSuccess(source, JSON.stringify(expected, null, 4));
+                        } catch (e) {
+                            failures += 1;
+                            reportFailure(source, e.expected, e.actual);
+                        }
+                    }
+                }
+            }
+        }
+        tick = (new Date()) - tick;
+
+        if (failures > 0) {
+            document.getElementById('status').className = 'alert-box alert';
+            setText(document.getElementById('status'), total + ' tests. ' +
+                'Failures: ' + failures + '. ' + tick + ' ms.');
+        } else {
+            document.getElementById('status').className = 'alert-box success';
+            setText(document.getElementById('status'), total + ' tests. ' +
+                'No failure. ' + tick + ' ms.');
+        }
+    };
+} else {
+    (function () {
+        'use strict';
+
+        var esprima = require('../esprima'),
+            vm = require('vm'),
+            fs = require('fs'),
+            diff = require('json-diff').diffString,
+            total = 0,
+            failures = [],
+            tick = new Date(),
+            expected,
+            header;
+
+        vm.runInThisContext(fs.readFileSync(__dirname + '/test.js', 'utf-8'));
+        vm.runInThisContext(fs.readFileSync(__dirname + '/harmonytest.js', 'utf-8'));
+        vm.runInThisContext(fs.readFileSync(__dirname + '/fbtest.rec.js', 'utf-8'));
+        vm.runInThisContext(fs.readFileSync(__dirname + '/harmonymodulestest.js', 'utf-8'));
+
+        Object.keys(testFixture).forEach(function (category) {
+            var categoryOptions = testFixtureOptions[category] || {};
+            Object.keys(testFixture[category]).forEach(function (source) {
+                var sourceOptions =
+                    categoryOptions.hasOwnProperty(source)
+                    ? categoryOptions[source]
+                    : categoryOptions;
+                total += 1;
+                expected = testFixture[category][source];
+                if (!expected.hasOwnProperty('lineNumber') && !expected.hasOwnProperty('result')) {
+                    mustHaveLocRange(source, expected, needLoc(expected), needRange(expected), []);
+                }
+                try {
+                    runTest(esprima, source, expected, sourceOptions);
+                } catch (e) {
+                    e.source = source;
+                    failures.push(e);
+                }
+            });
+        });
+        tick = (new Date()) - tick;
+
+        header = total + ' tests. ' + failures.length + ' failures. ' +
+            tick + ' ms';
+        if (failures.length) {
+            console.error(header);
+            failures.forEach(function (failure) {
+                try {
+                    var expectedObject = JSON.parse(failure.expected);
+                    var actualObject = JSON.parse(failure.actual);
+
+                    console.error(failure.source + ': Expected\n    ' +
+                        failure.expected.split('\n').join('\n    ') +
+                        '\nto match\n    ' + failure.actual + '\nDiff:\n' +
+                        diff(expectedObject, actualObject));
+                } catch (ex) {
+                    console.error(failure.source + ': Expected\n    ' +
+                        failure.expected.split('\n').join('\n    ') +
+                        '\nto match\n    ' + failure.actual);
+                }
+            });
+        } else {
+            console.log(header);
+        }
+        process.exit(failures.length === 0 ? 0 : 1);
+    }());
+}