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svelte/test/test.js

95 lines
2.0 KiB

import { compile } from '../compiler/index.js';
import * as assert from 'assert';
import * as path from 'path';
import * as fs from 'fs';
import jsdom from 'jsdom';
const cache = {};
require.extensions[ '.svelte' ] = function ( module, filename ) {
const code = cache[ filename ];
if ( !code ) throw new Error( `not compiled: ${filename}` );
return module._compile( code, filename );
};
describe( 'svelte', () => {
function loadConfig ( dir ) {
try {
return require( `./samples/${dir}/_config.js` ).default;
} catch ( err ) {
if ( err.code === 'E_NOT_FOUND' ) {
return {};
}
throw err;
}
}
function env () {
return new Promise( ( fulfil, reject ) => {
jsdom.env( '<main></main>', ( err, window ) => {
if ( err ) {
reject( err );
} else {
global.document = window.document;
fulfil( window );
}
});
});
}
fs.readdirSync( 'test/samples' ).forEach( dir => {
if ( dir[0] === '.' ) return;
const config = loadConfig( dir );
( config.solo ? it.only : it )( dir, () => {
let compiled;
try {
const source = fs.readFileSync( `test/samples/${dir}/main.svelte`, 'utf-8' );
compiled = compile( source );
} catch ( err ) {
if ( config.compileError ) {
config.compileError( err );
return;
} else {
throw err;
}
}
const { code } = compiled;
cache[ path.resolve( `test/samples/${dir}/main.svelte` ) ] = code;
const factory = require( `./samples/${dir}/main.svelte` ).default;
if ( config.show ) {
console.log( code ); // eslint-disable-line no-console
}
return env()
.then( window => {
const target = window.document.querySelector( 'main' );
const component = factory({
target,
data: config.data
});
if ( config.html ) {
assert.equal( target.innerHTML, config.html );
}
if ( config.test ) {
config.test( component, target );
}
})
.catch( err => {
if ( !config.show ) console.log( code ); // eslint-disable-line no-console
throw err;
});
});
});
});