chore: comments for parsing tests setup added

JetBrains-Research · Apr 12, 2020 · d1493c1 · d1493c1
1 parent 0a439dd
commit d1493c1
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/src/test/kotlin/com/jetbrains/snakecharm/lang/parser/SnakemakeParsingTest.kt b/src/test/kotlin/com/jetbrains/snakecharm/lang/parser/SnakemakeParsingTest.kt
@@ -5,6 +5,7 @@ import com.intellij.lang.LanguageASTFactory
 import com.intellij.psi.PsiFile
 import com.intellij.psi.util.PsiTreeUtil
 import com.intellij.testFramework.ParsingTestCase
+import com.intellij.testFramework.TestApplicationManager
 import com.jetbrains.python.*
 import com.jetbrains.python.psi.LanguageLevel
 import com.jetbrains.python.psi.PyFunction
@@ -27,11 +28,19 @@ class SnakemakeParsingTest : ParsingTestCase(
 
     override fun setUp() {
         super.setUp()
+
+        // W/O this call we get `java.lang.NoClassDefFoundError: Could not initialize class com.jetbrains.python.PythonDialectsTokenSetProvider`
+        // locally (macos)
+        TestApplicationManager.getInstance()
+
+        // w/o this cannot instantiate SnakemakeLexer
         registerExtensionPoint(PythonDialectsTokenSetContributor.EP_NAME, PythonDialectsTokenSetContributor::class.java)
         registerExtension(PythonDialectsTokenSetContributor.EP_NAME, PythonTokenSetContributor())
         registerExtension(PythonDialectsTokenSetContributor.EP_NAME, SmkTokenSetContributor())
         addExplicitExtension<ASTFactory>(LanguageASTFactory.INSTANCE, PythonLanguage.getInstance(), PythonASTFactory())
         PythonDialectsTokenSetProvider.reset()
+
+        // w/o this fails due to NPEs on PyPsiFacade access
         project.registerService(
             PyPsiFacade::class.java,
             PyPsiFacadeImpl::class.java