Merge pull request #31 from sciencesakura/refactortest

Refactor test data to use actual output from Java's ObjectOutputStrea…

.npmignore

@@ -1,6 +1,8 @@
 .github/
 node_modules/
+scripts/
 src/
+testdata/
 
 .editorconfig
 biome.json

biome.json

@@ -7,7 +7,7 @@
 	},
 	"files": {
 		"ignoreUnknown": false,
-		"ignore": []
+		"ignore": ["**/testdata-*"]
 	},
 	"formatter": {
 		"enabled": true,

package.json

@@ -23,6 +23,7 @@
     "compile": "run-s compile:*",
     "compile:cjs": "tsc -m node16 && renamer --find '/\\.js$/' --replace .cjs 'dist/**'",
     "compile:esm": "tsc -d        && renamer --find '/\\.js$/' --replace .mjs 'dist/**'",
+    "gen-testdatacode": "groovy scripts/gen-testdatacode.groovy testdata/",
     "test": "vitest run",
     "check": "run-s lint test",
     "check:ci": "run-s lint:ci test",
@@ -50,7 +51,6 @@
   "homepage": "https://github.com/sciencesakura/mutf-8",
   "devDependencies": {
     "@biomejs/biome": "^1.9.2",
-    "@types/node": "^20.17.1",
     "npm-run-all2": "^7.0.1",
     "renamer": "^5.0.2",
     "rimraf": "^6.0.1",

scripts/gen-testdatacode.groovy

@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: MIT
+
+import groovy.json.*
+import static java.io.ObjectStreamConstants.*
+
+def header = '''\
+// This file is generated by scripts/gen-testdatacode.groovy
+'''
+
+def generateTestdataCode = { jsonFile ->
+  def code = new StringBuilder(header)
+  code << 'const testdata = ['
+  new JsonSlurper().parse(jsonFile).each {
+    def name = it.name
+    def text = it.text
+    def binary = new ByteArrayOutputStream().with {
+      new ObjectOutputStream(it).withCloseable { it.writeUTF(text) }
+      def serial = it.toByteArray()
+      //  off | field          | value
+      // -----|----------------|--------------------------------
+      //    0 | magic          | STREAM_MAGIC
+      //    2 | version        | STREAM_VERSION
+      //    4 | tag            | TC_BLOCKDATA
+      //    5 | size           | sizeof(length) + sizeof(bytes)
+      //    6 | length         | sizeof(bytes)
+      //    8 | bytes          | MUTF-8 encoded string
+      assert serial[4] == TC_BLOCKDATA
+      serial[8..<serial.length].collect(Byte::toUnsignedInt)
+    }
+    def jsName = StringEscapeUtils.escapeJavaScript(name)
+    def jsText = StringEscapeUtils.escapeJavaScript(text)
+    def jsBinary = binary.collect { '0x' + Integer.toHexString(it) }.join(', ')
+    code << """
+      |  {
+      |    name: "$jsName",
+      |    text: "$jsText",
+      |    binary: new Uint8Array([$jsBinary]),
+      |  },""".stripMargin()
+  }
+  code << '\n];'
+  code << '\nexport default testdata;\n'
+  code.toString()
+}
+
+new File(this.args[0]).eachFileMatch(~/.*\.json/) { file ->
+  def name = file.name.replaceFirst(/\.json$/, '')
+  def outFile = new File('src', "testdata-${name}.mts")
+  outFile.text = generateTestdataCode(file)
+}