fix: #2

.gitignore

@@ -1,3 +1,4 @@
 node_modules
 package-lock.json
 lib
+dist

index.ts

@@ -1,6 +1,7 @@
 import path from "path";
 import through from "through2";
 import replace from "replacestream";
+import slash from "slash";
 
 type AliasMapType = Record<string, string>;
 type Options = {
@@ -27,7 +28,7 @@ function getRegExp(prefixPatten: string): GetRegExpReturn {
 }
 
 function relative(from: string, to: string) {
-  const relativePath = path.relative(from, to);
+  const relativePath = slash(path.relative(from, to));
 
   if (!relativePath) {
     return ".";

package.json

@@ -44,6 +44,11 @@
     "LICENSE",
     "CHANGELOG.md"
   ],
+  "husky": {
+    "hooks": {
+      "pre-commit": "npm run test"
+    }
+  },
   "devDependencies": {
     "@types/node": "^14.14.19",
     "@types/replacestream": "^4.0.0",
@@ -52,11 +57,13 @@
     "@typescript-eslint/parser": "^4.11.1",
     "ava": "^3.13.0",
     "gulp": "^4.0.2",
+    "husky": "^4.3.7",
     "rimraf": "^3.0.2",
     "standard-version": "^9.1.0",
     "typescript": "^4.1.3"
   },
   "dependencies": {
-    "replacestream": "^4.0.3"
+    "replacestream": "^4.0.3",
+    "slash": "^3.0.0"
   }
 }

test-files/app.js

@@ -13,3 +13,4 @@ import('@libs-b/foo');
 import('src/@libs');
 import('@lib/foo');
 require('@utils/b');
+const b = require('@utils/b');

test-files/app.wxml

@@ -7,3 +7,4 @@
 
 <audio poster="@utils/img/bg.png"></audio>
 <live-pusher url="@utils/pusher"></live-pusher>
+<a href="@utils/www"></a>

test-files/expected/app.css

@@ -0,0 +1,18 @@
+@import "libs";
+@import "./libs";
+@import "./libs/var";
+@import "@libs-b/var";
+@import "@lib/var";
+@import "src/@libs/var";
+@import"./libs/var";
+
+.bg {
+  background-image: url(libs);
+  background-image: url(./libs);
+  background-image: url(./libs/img/bg.png);
+  background-image: url(@libs-b/var);
+  background-image: url(src/@libs/var);
+  background-image: url( ./utils/img/bg.png );
+  background-image: url( './utils/img/bg.png' );
+  background-image: url( ' ./utils/img/bg.png ' );
+}

test-files/expected/app.js

@@ -0,0 +1,16 @@
+import foo from 'libs';
+import foo from './libs';
+import foo from './libs/foo';
+import foo from '@libs-b/foo';
+import foo from 'src/@libs';
+import foo from '@lib/foo';
+import{a}from'./libs/a';
+
+import('libs');
+import('./libs');
+import('./libs/foo');
+import('@libs-b/foo');
+import('src/@libs');
+import('@lib/foo');
+require('./utils/b');
+const b = require('./utils/b');

test-files/expected/app.wxml

@@ -0,0 +1,10 @@
+<image src="libs"/>
+<image src="./libs"/>
+<image src="./libs/img/bg.png"/>
+<image src="@libs-b/img/bg.png"/>
+<image src="src/@libs/img/bg.png"/>
+<image src="@lib/img/bg.png"/>
+
+<audio poster="./utils/img/bg.png"></audio>
+<live-pusher url="./utils/pusher"></live-pusher>
+<a href="./utils/www"></a>

test.js

@@ -1,20 +1,94 @@
+const path = require('path');
+const fs = require('fs');
+const readline = require('readline');
 const gulp = require('gulp');
-const through = require('through2');
 const test = require('ava');
-const alias = require('./index');
-
-// TODO
-test('functional test .css', async (t) => {
-  gulp.src('./test-files/app.css')
-    .pipe(alias({
-      path: {
-        '@libs': './libs',
-        '@utils': './utils',
-      }
-    }))
-    .pipe(through.obj(function (file, _, cb) {
-      console.log(file.isStream());
-    }));
-
-  t.is('', '');
+const { dest } = require('gulp');
+const alias = require('./lib');
+
+const fileValidator = async (filepath, expectedFilepath, t) => {
+  const fileArray = [];
+  const expectFileArray = [];
+
+  const readFileLine = (f, arrayBuffer) => {
+    return new Promise((resolve) => {
+      const rl = readline.createInterface({
+        input: fs.createReadStream(f),
+      });
+      rl.on('line', (line) => {
+        arrayBuffer.push(line);
+      });
+      rl.on('close', resolve);
+    })
+  }
+
+  await Promise.all([
+    readFileLine(filepath, fileArray),
+    readFileLine(expectedFilepath, expectFileArray),
+  ]);
+
+  for(let i = 0; i < expectFileArray.length; i++) {
+    const expectLine = expectFileArray[i];
+    const fileLine = fileArray[i];
+
+    if (expectLine !== fileLine) {
+      t.fail(`Validate failed at line ${i}`);
+    }
+  }
+  t.pass();
+}
+
+const BASE_PATH = path.join(__dirname, './test-files');
+const paths = {
+  '@libs': path.join(BASE_PATH, 'libs'),
+  '@utils': path.join(BASE_PATH, 'utils'),
+}
+
+
+test('functional test .css', (t) => {
+  const filepath = path.join(BASE_PATH, 'app.css');
+  const distFilepath = path.join(BASE_PATH, 'dist/app.css');
+  const expectFilepath = path.join(BASE_PATH, 'expected/app.css');
+
+  return new Promise((resolve) => {
+    gulp.src(filepath)
+      .pipe(alias({ paths }))
+      .pipe(dest(path.join(BASE_PATH, 'dist')))
+      .on('end', async () => {
+        await fileValidator(distFilepath, expectFilepath, t);
+        resolve();
+      });
+  });
+});
+
+test('functional test .js', (t) => {
+  const filepath = path.join(BASE_PATH, 'app.js');
+  const distFilepath = path.join(BASE_PATH, 'dist/app.js');
+  const expectFilepath = path.join(BASE_PATH, 'expected/app.js');
+
+  return new Promise((resolve) => {
+    gulp.src(filepath)
+      .pipe(alias({ paths }))
+      .pipe(dest(path.join(BASE_PATH, 'dist')))
+      .on('end', async () => {
+        await fileValidator(distFilepath, expectFilepath, t);
+        resolve();
+      });
+  });
+});
+
+test('functional test .wxml', (t) => {
+  const filepath = path.join(BASE_PATH, 'app.wxml');
+  const distFilepath = path.join(BASE_PATH, 'dist/app.wxml');
+  const expectFilepath = path.join(BASE_PATH, 'expected/app.wxml');
+
+  return new Promise((resolve) => {
+    gulp.src(filepath)
+      .pipe(alias({ paths }))
+      .pipe(dest(path.join(BASE_PATH, 'dist')))
+      .on('end', async () => {
+        await fileValidator(distFilepath, expectFilepath, t);
+        resolve();
+      });
+  });
 });