https://github.com/mishoo/UglifyJS
Tip revision: c8e61448cb1ea621d2fdab4567c42e9c3dcd852f authored by Alex Lam S.L on 02 March 2017, 23:30:28 UTC
Merge pull request #1541 from alexlamsl/harmony-v2.8.5
Merge pull request #1541 from alexlamsl/harmony-v2.8.5
Tip revision: c8e6144
run-tests.js
#! /usr/bin/env node
global.UGLIFY_DEBUG = true;
var U = require("../tools/node");
var path = require("path");
var fs = require("fs");
var assert = require("assert");
var tests_dir = path.dirname(module.filename);
var failures = 0;
var failed_files = {};
run_compress_tests();
if (failures) {
console.error("\n!!! Failed " + failures + " test cases.");
console.error("!!! " + Object.keys(failed_files).join(", "));
process.exit(1);
}
var mocha_tests = require("./mocha.js");
mocha_tests();
var run_sourcemaps_tests = require('./sourcemaps');
run_sourcemaps_tests();
var run_ast_conversion_tests = require("./mozilla-ast");
run_ast_conversion_tests({
iterations: 1000
});
/* -----[ utils ]----- */
function tmpl() {
return U.string_template.apply(this, arguments);
}
function log() {
var txt = tmpl.apply(this, arguments);
console.log("%s", txt);
}
function log_directory(dir) {
log("*** Entering [{dir}]", { dir: dir });
}
function log_start_file(file) {
log("--- {file}", { file: file });
}
function log_test(name) {
log(" Running test [{name}]", { name: name });
}
function find_test_files(dir) {
var files = fs.readdirSync(dir).filter(function(name){
return /\.js$/i.test(name);
});
if (process.argv.length > 2) {
var x = process.argv.slice(2);
files = files.filter(function(f){
return x.indexOf(f) >= 0;
});
}
return files;
}
function test_directory(dir) {
return path.resolve(tests_dir, dir);
}
function as_toplevel(input, mangle_options) {
if (input instanceof U.AST_BlockStatement) input = input.body;
else if (input instanceof U.AST_Statement) input = [ input ];
else throw new Error("Unsupported input syntax");
var toplevel = new U.AST_Toplevel({ body: input });
toplevel.figure_out_scope(mangle_options);
return toplevel;
}
function run_compress_tests() {
var dir = test_directory("compress");
log_directory("compress");
var files = find_test_files(dir);
function test_file(file) {
log_start_file(file);
function test_case(test) {
log_test(test.name);
U.base54.reset();
var options = U.defaults(test.options, {
warnings: false
});
var warnings_emitted = [];
var original_warn_function = U.AST_Node.warn_function;
if (test.expect_warnings) {
U.AST_Node.warn_function = function(text) {
warnings_emitted.push("WARN: " + text);
};
options.warnings = true;
}
var cmp = new U.Compressor(options, true);
var output_options = test.beautify || {};
var expect;
if (test.expect) {
expect = make_code(as_toplevel(test.expect, test.mangle), output_options);
} else {
expect = test.expect_exact;
}
var input = as_toplevel(test.input, test.mangle);
var input_code = make_code(test.input, {
beautify: true,
quote_style: 3,
keep_quoted_props: true
});
if (test.mangle_props) {
input = U.mangle_properties(input, test.mangle_props);
}
var output = cmp.compress(input);
output.figure_out_scope(test.mangle);
if (test.mangle) {
output.compute_char_frequency(test.mangle);
output.mangle_names(test.mangle);
}
output = make_code(output, output_options);
if (expect != output) {
log("!!! failed\n---INPUT---\n{input}\n---OUTPUT---\n{output}\n---EXPECTED---\n{expected}\n\n", {
input: input_code,
output: output,
expected: expect
});
failures++;
failed_files[file] = 1;
}
else {
// expect == output
try {
var reparsed_ast = U.parse(output);
} catch (ex) {
log("!!! Test matched expected result but cannot parse output\n---INPUT---\n{input}\n---OUTPUT---\n{output}\n--REPARSE ERROR--\n{error}\n\n", {
input: input_code,
output: output,
error: ex.toString(),
});
failures++;
failed_files[file] = 1;
}
if (test.expect_warnings) {
U.AST_Node.warn_function = original_warn_function;
var expected_warnings = make_code(test.expect_warnings, {
beautify: false,
quote_style: 2, // force double quote to match JSON
});
warnings_emitted = warnings_emitted.map(function(input) {
return input.split(process.cwd() + path.sep).join("").split(path.sep).join("/");
});
var actual_warnings = JSON.stringify(warnings_emitted);
if (expected_warnings != actual_warnings) {
log("!!! failed\n---INPUT---\n{input}\n---EXPECTED WARNINGS---\n{expected_warnings}\n---ACTUAL WARNINGS---\n{actual_warnings}\n\n", {
input: input_code,
expected_warnings: expected_warnings,
actual_warnings: actual_warnings,
});
failures++;
failed_files[file] = 1;
}
}
}
}
var tests = parse_test(path.resolve(dir, file));
for (var i in tests) if (tests.hasOwnProperty(i)) {
test_case(tests[i]);
}
}
files.forEach(function(file){
test_file(file);
});
}
function parse_test(file) {
var script = fs.readFileSync(file, "utf8");
// TODO try/catch can be removed after fixing https://github.com/mishoo/UglifyJS2/issues/348
try {
var ast = U.parse(script, {
filename: file
});
} catch (e) {
console.log("Caught error while parsing tests in " + file + "\n");
console.log(e);
throw e;
}
var tests = {};
var tw = new U.TreeWalker(function(node, descend){
if (node instanceof U.AST_LabeledStatement
&& tw.parent() instanceof U.AST_Toplevel) {
var name = node.label.name;
if (name in tests) {
throw new Error('Duplicated test name "' + name + '" in ' + file);
}
tests[name] = get_one_test(name, node.body);
return true;
}
if (!(node instanceof U.AST_Toplevel)) croak(node);
});
ast.walk(tw);
return tests;
function croak(node) {
throw new Error(tmpl("Can't understand test file {file} [{line},{col}]\n{code}", {
file: file,
line: node.start.line,
col: node.start.col,
code: make_code(node, { beautify: false })
}));
}
function get_one_test(name, block) {
var test = { name: name, options: {} };
var tw = new U.TreeWalker(function(node, descend){
if (node instanceof U.AST_Assign) {
if (!(node.left instanceof U.AST_SymbolRef)) {
croak(node);
}
var name = node.left.name;
test[name] = evaluate(node.right);
return true;
}
if (node instanceof U.AST_LabeledStatement) {
assert.ok(
["input", "expect", "expect_exact", "expect_warnings"].indexOf(node.label.name) >= 0,
tmpl("Unsupported label {name} [{line},{col}]", {
name: node.label.name,
line: node.label.start.line,
col: node.label.start.col
})
);
var stat = node.body;
if (stat instanceof U.AST_BlockStatement) {
if (stat.body.length == 1) stat = stat.body[0];
else if (stat.body.length == 0) stat = new U.AST_EmptyStatement();
}
if (node.label.name === "expect_exact") {
if (!(stat.TYPE === "SimpleStatement" && stat.body.TYPE === "String")) {
throw new Error(
"The value of the expect_exact clause should be a string, " +
"like `expect_exact: \"some.exact.javascript;\"`");
}
test[node.label.name] = stat.body.start.value
} else {
test[node.label.name] = stat;
}
return true;
}
});
block.walk(tw);
return test;
};
}
function make_code(ast, options) {
options.inline_script = true;
var stream = U.OutputStream(options);
ast.print(stream);
return stream.get();
}
function evaluate(code) {
if (code instanceof U.AST_Node)
code = make_code(code, { beautify: true });
return new Function("return(" + code + ")")();
}