85 lines
2.8 KiB
JavaScript
85 lines
2.8 KiB
JavaScript
var assert = require("assert");
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var exec = require("child_process").exec;
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var fs = require("fs");
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var reduce_test = require("../reduce");
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function read(path) {
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return fs.readFileSync(path, "utf8");
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}
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describe("test/reduce.js", function() {
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it("Should reduce test case", function() {
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this.timeout(30000);
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var result = reduce_test(read("test/input/reduce/input.js"), {
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compress: {
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unsafe_math: true,
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},
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mangle: false,
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}, {
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verbose: false,
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});
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if (result.error) throw result.error;
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assert.strictEqual(result.code, read("test/input/reduce/output.js"));
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});
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it("Should handle test cases with --toplevel", function() {
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var result = reduce_test([
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"var Infinity = 42;",
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"console.log(Infinity);",
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].join("\n"), {
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toplevel: true,
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});
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if (result.error) throw result.error;
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assert.strictEqual(result.code, [
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"// Can't reproduce test failure with minify options provided:",
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'// {"toplevel":true}',
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"",
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].join("\n"));
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});
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it("Should handle test result of NaN", function() {
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var result = reduce_test("throw 0 / 0;");
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if (result.error) throw result.error;
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assert.strictEqual(result.code, [
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"// Can't reproduce test failure with minify options provided:",
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'// {"compress":{},"mangle":false}',
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"",
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].join("\n"));
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});
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it("Should print correct output for irreducible test case", function() {
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var result = reduce_test([
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"console.log(function f(a) {",
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" return f.length;",
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"}());",
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].join("\n"), {
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compress: {
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keep_fargs: false,
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},
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mangle: false,
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});
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if (result.error) throw result.error;
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assert.strictEqual(result.code, [
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"console.log(function f(a) {",
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" return f.length;",
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"}());",
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"// output: 1",
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"// minify: 0",
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'// options: {"compress":{"keep_fargs":false},"mangle":false}',
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].join("\n"));
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});
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it("Should fail when invalid option is supplied", function() {
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var result = reduce_test("", {
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compress: {
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unsafe_regex: true,
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},
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});
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var err = result.error;
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assert.ok(err instanceof Error);
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assert.strictEqual(err.stack.split(/\n/)[0], "DefaultsError: `unsafe_regex` is not a supported option");
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});
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it("Should report on test case with invalid syntax", function() {
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var result = reduce_test("var 0 = 1;");
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var err = result.error;
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assert.ok(err instanceof Error);
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assert.strictEqual(err.stack.split(/\n/)[0], "SyntaxError: Name expected");
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});
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});
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