Dmitry Jemerov
109 lines
4.0 KiB
Kotlin
109 lines
4.0 KiB
Kotlin
/*
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* Copyright 2010-2015 JetBrains s.r.o.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jetbrains.kotlin.repl
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import com.intellij.openapi.util.text.StringUtil
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import com.intellij.testFramework.UsefulTestCase
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import org.jetbrains.kotlin.cli.jvm.repl.ReplInterpreter
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import org.jetbrains.kotlin.test.ConfigurationKind
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import org.jetbrains.kotlin.test.KotlinTestUtils
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import org.jetbrains.kotlin.test.TestJdkKind
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import org.junit.Assert
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import java.io.File
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import java.io.PrintWriter
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import java.util.*
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import java.util.regex.Pattern
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import kotlin.text.Regex
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// Switch this flag to render bytecode after each line in the REPL test. Useful for debugging verify errors or other codegen problems
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private val DUMP_BYTECODE = false
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private val START_PATTERN = Pattern.compile(">>>( *)(.*)$")
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private val INCOMPLETE_PATTERN = Pattern.compile("\\.\\.\\.( *)(.*)$")
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private val TRAILING_NEWLINE_REGEX = Regex("\n$")
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private val INCOMPLETE_LINE_MESSAGE = "incomplete line"
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abstract class AbstractReplInterpreterTest : UsefulTestCase() {
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init {
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System.setProperty("java.awt.headless", "true")
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}
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private data class OneLine(val code: String, val expected: String)
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private fun loadLines(file: File): List<OneLine> {
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val lines = ArrayDeque(file.readLines())
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val result = ArrayList<OneLine>()
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while (lines.isNotEmpty()) {
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val line = lines.poll()!!
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var matcher = START_PATTERN.matcher(line)
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if (!matcher.matches()) {
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matcher = INCOMPLETE_PATTERN.matcher(line)
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}
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assert(matcher.matches()) { "Line doesn't begin with \">>>\" or \"...\": $line" }
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val code = matcher.group(2)!!
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if (lines.isNotEmpty()) {
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val nextLine = lines.peek()!!
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val incompleteMatcher = INCOMPLETE_PATTERN.matcher(nextLine)
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if (incompleteMatcher.matches()) {
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result.add(OneLine(code, INCOMPLETE_LINE_MESSAGE))
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continue
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}
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}
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val value = StringBuilder()
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while (lines.isNotEmpty() && !START_PATTERN.matcher(lines.peek()!!).matches()) {
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value.appendln(lines.poll()!!)
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}
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result.add(OneLine(code, value.toString()))
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}
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return result
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}
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protected fun doTest(path: String) {
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val configuration = KotlinTestUtils.compilerConfigurationForTests(ConfigurationKind.ALL, TestJdkKind.MOCK_JDK)
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val repl = ReplInterpreter(testRootDisposable!!, configuration, false, null)
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for ((code, expected) in loadLines(File(path))) {
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val lineResult = repl.eval(code)
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if (DUMP_BYTECODE) {
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repl.dumpClasses(PrintWriter(System.out))
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}
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val actual = when (lineResult.type) {
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ReplInterpreter.LineResultType.SUCCESS -> if (!lineResult.isUnit) "${lineResult.value}" else ""
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ReplInterpreter.LineResultType.RUNTIME_ERROR,
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ReplInterpreter.LineResultType.COMPILE_ERROR -> lineResult.errorText
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ReplInterpreter.LineResultType.INCOMPLETE -> INCOMPLETE_LINE_MESSAGE
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}
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Assert.assertEquals(
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"After evaluation of: $code",
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StringUtil.convertLineSeparators(expected).replaceFirst(TRAILING_NEWLINE_REGEX, ""),
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StringUtil.convertLineSeparators(actual).replaceFirst(TRAILING_NEWLINE_REGEX, "")
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)
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}
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}
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}
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