Example 1 with FileDocumentManagerListener
use of com.intellij.openapi.fileEditor.FileDocumentManagerListener in project intellij-community by JetBrains.
the class FileDocumentManagerImplTest method testNoPSIModificationsDuringSave.
public void testNoPSIModificationsDuringSave() throws IOException {
File ioFile = IoTestUtil.createTestFile("test.txt", "<html>some text</html>");
VirtualFile virtualFile = LocalFileSystem.getInstance().refreshAndFindFileByIoFile(ioFile);
assertNotNull(ioFile.getPath(), virtualFile);
FileDocumentManager documentManager = FileDocumentManager.getInstance();
Document original = documentManager.getDocument(virtualFile);
assertNotNull(virtualFile.getPath(), original);
final PsiFile file = getPsiFile(original);
assertNotNull(file);
FileDocumentManagerListener saveListener = new FileDocumentManagerAdapter() {
@Override
public void beforeDocumentSaving(@NotNull Document document) {
WriteCommandAction.runWriteCommandAction(getProject(), () -> {
try {
file.getFirstChild().delete();
fail("Must not modify PSI inside save listener");
} catch (IncorrectOperationException e) {
assertEquals("Must not modify PSI inside save listener", e.getMessage());
}
});
}
};
getProject().getMessageBus().connect(getTestRootDisposable()).subscribe(AppTopics.FILE_DOCUMENT_SYNC, saveListener);
final Document document = PsiDocumentManager.getInstance(getProject()).getDocument(file);
assertNotNull(document);
WriteCommandAction.runWriteCommandAction(getProject(), () -> document.insertString(1, "y"));
FileDocumentManager.getInstance().saveAllDocuments();
}
Also used :
LightVirtualFile(com.intellij.testFramework.LightVirtualFile)
MockVirtualFile(com.intellij.mock.MockVirtualFile)
FileDocumentManagerAdapter(com.intellij.openapi.fileEditor.FileDocumentManagerAdapter)
FileDocumentManager(com.intellij.openapi.fileEditor.FileDocumentManager)
PsiFile(com.intellij.psi.PsiFile)
IncorrectOperationException(com.intellij.util.IncorrectOperationException)
Document(com.intellij.openapi.editor.Document)
PsiFile(com.intellij.psi.PsiFile)
LightVirtualFile(com.intellij.testFramework.LightVirtualFile)
MockVirtualFile(com.intellij.mock.MockVirtualFile)
File(java.io.File)
NotNull(org.jetbrains.annotations.NotNull)
FileDocumentManagerListener(com.intellij.openapi.fileEditor.FileDocumentManagerListener)
Aggregations
MockVirtualFile (com.intellij.mock.MockVirtualFile)1
Document (com.intellij.openapi.editor.Document)1
FileDocumentManager (com.intellij.openapi.fileEditor.FileDocumentManager)1
FileDocumentManagerAdapter (com.intellij.openapi.fileEditor.FileDocumentManagerAdapter)1
FileDocumentManagerListener (com.intellij.openapi.fileEditor.FileDocumentManagerListener)1
PsiFile (com.intellij.psi.PsiFile)1
LightVirtualFile (com.intellij.testFramework.LightVirtualFile)1
IncorrectOperationException (com.intellij.util.IncorrectOperationException)1
File (java.io.File)1
NotNull (org.jetbrains.annotations.NotNull)1
