Extract compiler-executing code in AbstractCliTest to CompilerTestUtil

2017-10-20 13:14:01 +02:00
parent 8695c6a1e4
commit a64fc10e94
4 changed files with 68 additions and 35 deletions
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2010-2017 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.test
+
+import org.jetbrains.kotlin.cli.common.CLITool
+import org.jetbrains.kotlin.cli.common.ExitCode
+import java.io.ByteArrayOutputStream
+import java.io.PrintStream
+import kotlin.test.assertEquals
+
+object CompilerTestUtil {
+    @JvmStatic
+    fun executeCompilerAssertSuccessful(compiler: CLITool<*>, args: List<String>) {
+        val (output, exitCode) = executeCompiler(compiler, args)
+        assertEquals(ExitCode.OK, exitCode, output)
+    }
+
+    @JvmStatic
+    fun executeCompiler(compiler: CLITool<*>, args: List<String>): Pair<String, ExitCode> {
+        val bytes = ByteArrayOutputStream()
+        val origErr = System.err
+        try {
+            System.setErr(PrintStream(bytes))
+            val exitCode = CLITool.doMainNoExit(compiler, args.toTypedArray())
+            return Pair(String(bytes.toByteArray()), exitCode)
+        }
+        finally {
+            System.setErr(origErr)
+        }
+    }
+}