waitsForPromise(async () => {
editor.insertText('test');
atom.commands.dispatch(editor.getElement(), 'signature-help:show');
const signatureSpy = testProvider.getSignatureHelp;
expect(signatureSpy.callCount).toBe(1);
expect(signatureSpy.calls[0].args).toEqual([editor, new Point(0, 4)]);
// Wait for promise to be resolved.
await nextTick();
const datatipSpy = mockDatatipService.createPinnedDataTip;
expect(datatipSpy.callCount).toBe(1);
expect(datatipSpy.calls[0].args[0].range).toEqual(
new Range([0, 4], [0, 4]),
);
// Moving the cursor should immediately move the datatip and query again.
editor.setCursorBufferPosition([0, 3]);
expect(datatipSpy.callCount).toBe(2);
expect(datatipSpy.calls[1].args[0].range).toEqual(
new Range([0, 3], [0, 3]),
);
// Compensate for the debounce.
advanceClock(500);
expect(signatureSpy.callCount).toBe(2);
expect(signatureSpy.calls[1].args).toEqual([editor, new Point(0, 3)]);
// Wait for promise to be resolved.
await nextTick();
expect(datatipSpy.callCount).toBe(3);
// Once the signature returns null, abort the flow.
signatureSpy.andReturn(Promise.resolve(null));
editor.setCursorBufferPosition([0, 0]);
// No repositioning when the cursor moves too far.
expect(datatipSpy.callCount).toBe(3);
// Compensate for the debounce.
advanceClock(500);
expect(signatureSpy.callCount).toBe(3);
await nextTick();
expect(datatipSpy.callCount).toBe(3);
editor.setCursorBufferPosition([0, 1]);
advanceClock(500);
expect(signatureSpy.callCount).toBe(3);
});
.flatMap(() => {
const bufferPath = nullthrows(textEditor.getPath());
// TODO (tjfryan): do something to handle generated files
if (fileContentsAtHead.has(bufferPath)) {
return Observable.empty();
}
bufferedFilesToCat.push(repository.relativize(bufferPath));
if (bufferedFilesToCat.length > 1) {
return Observable.empty();
}
// use nextTick to buffer many files being requested at once
// (maybe should use timeout instead?)
return Observable.fromPromise(nextTick()).switchMap(() => {
const filesToCat = [...bufferedFilesToCat];
bufferedFilesToCat.length = 0;
return repository
.fetchMultipleFilesContentAtRevision(
filesToCat,
hgConstants.HEAD_REVISION_EXPRESSION,
)
.catch(() =>
// hg uses errorCode 1 as "nothing went wrong but nothing was found"
Observable.empty(),
);
});
});