58 lines
2.6 KiB
JavaScript
58 lines
2.6 KiB
JavaScript
var assert = require("assert");
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var uglify = require("../node");
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describe("Export/Import", function() {
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it("Should parse export directives", function() {
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var inputs = [
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['export * from "a.js"', ['*'], "a.js"],
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['export {A} from "a.js"', ['A'], "a.js"],
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['export {A as X} from "a.js"', ['X'], "a.js"],
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['export {A as Foo, B} from "a.js"', ['Foo', 'B'], "a.js"],
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['export {A, B} from "a.js"', ['A', 'B'], "a.js"],
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];
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function test(code) {
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return uglify.parse(code);
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}
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function extractNames(symbols) {
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var ret = [];
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for (var i = 0; i < symbols.length; i++) {
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ret.push(symbols[i].foreign_name.name);
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}
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return ret;
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}
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for (var i = 0; i < inputs.length; i++) {
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var ast = test(inputs[i][0]);
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var names = inputs[i][1];
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var filename = inputs[i][2];
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assert(ast instanceof uglify.AST_Toplevel);
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assert.equal(ast.body.length, 1);
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var st = ast.body[0];
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assert(st instanceof uglify.AST_Export);
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var actualNames = extractNames(st.exported_names);
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assert.deepEqual(actualNames, names);
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assert.equal(st.module_name.value, filename);
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}
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});
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it("Should not parse invalid uses of export", function() {
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assert.equal(uglify.minify("export").error.message, "Unexpected token: eof (undefined)");
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assert.equal(uglify.minify("export;").error.message, "Unexpected token: punc (;)");
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assert.equal(uglify.minify("export();").error.message, "Unexpected token: keyword (export)");
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assert.equal(uglify.minify("export(1);").error.message, "Unexpected token: keyword (export)");
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assert.equal(uglify.minify("var export;").error.message, "Name expected");
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assert.equal(uglify.minify("var export = 1;").error.message, "Name expected");
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assert.equal(uglify.minify("function f(export){}").error.message, "Invalid function parameter");
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});
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it("Should not parse invalid uses of import", function() {
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assert.equal(uglify.minify("import").error.message, "Unexpected token: eof (undefined)");
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assert.equal(uglify.minify("import;").error.message, "Unexpected token: punc (;)");
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assert.equal(uglify.minify("var import;").error.message, "Unexpected token: import");
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assert.equal(uglify.minify("var import = 1;").error.message, "Unexpected token: import");
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assert.equal(uglify.minify("function f(import){}").error.message, "Unexpected token: name (import)");
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});
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});
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