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fix(FileUploaderDropContainer): fix NPE selecting file #4936

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asudoh
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@asudoh asudoh commented Dec 23, 2019

Fixes #4899.

Changelog

Changed

  • Fix for NPE that happened by selecting a file in <FileUploaderDropContainer>.

Testing / Reviewing

Testing should make sure file uploader is not broken.

@asudoh asudoh requested a review from emyarod December 23, 2019 22:57
@asudoh asudoh requested a review from a team as a code owner December 23, 2019 22:57
@ghost ghost requested a review from dakahn December 23, 2019 22:57
@asudoh asudoh force-pushed the fileuploader-select-file-link branch from 5ead3ae to b66846a Compare December 23, 2019 23:02
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Just some style comments, otherwise seems great!

const evt = { target: { files: mockFiles } };
input.simulate('change', evt);
expect(onAddFiles).toHaveBeenCalledTimes(1);
expect(onAddFiles.mock.calls[0][0].target.files).toEqual([
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Maybe expect(onAddFiles).toHaveBeenCalledWith might be relevant here? Something like:

expect(onAddFiles).toHaveBeenCalledWith(expect.objectContaining({
  target: {
    files: [fileFoo, fileBar],
  },
}));

@joshblack
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Should we remove the FileUploaderDropContainer story potentially in preference of the container example? Can't seem to get that one to work (and I don't think it has been working??) Just curious 🤔

@asudoh
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asudoh commented Jan 7, 2020

The story topic sounds orthogonal to this PR. <FileUploaderDropContainer> itself does not contain the UI of file list. The story for that component demonstrates that it can be integrated with other component, by showing onChange being fired upon adding files. If you go to Actions tab at the bottom or at the right, you'll see onChange when you add files.

@emyarod
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emyarod commented Jan 9, 2020

just for context, during previous reviews it was decided that the story would be static and the full application example would be available in codesandbox

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looks good to me

@asudoh asudoh dismissed joshblack’s stale review January 9, 2020 23:17

Updating the review status as all comments have been addressed.

@@ -255,7 +255,13 @@ describe('FileUploader', () => {
});

describe('FileUploaderDropContainer', () => {
const dropContainer = <FileUploaderDropContainer className="extra-class" />;
const onAddFiles = jest.fn();
const dropContainer = (
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We should move blocks where we create components into beforeEach or a similar generator function to prevent test flakiness

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@joshblack Agreed on beforAll()/beforeEach() making tests more stable, but it's orthogonal to this PR. Do you want to enter an issue for that?

@tw15egan
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tw15egan commented Jan 13, 2020

@joshblack is the test change request enough to warrant a separate issue? Or do you want it resolved in this PR before merging

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Let's address it before merging while we're in this part of the codebase and the change will be pretty quick 👍

@asudoh
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asudoh commented Jan 13, 2020

@joshblack is right that there is a change to test setup code, but the discussion of change in style of test setup code is orthogonal. I want the works not distracted by such kind of change requests.

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joshblack commented Jan 13, 2020

If it helps, was only thinking the change would involve:

describe('FileUploaderDropContainer', () => {
  let onAddFiles;
  let dropContainer;
  let mountWrapper;

  beforeEach(() => {
    onAddFiles = jest.fn();
    dropContainer = (
      <FileUploaderDropContainer
        className="extra-class"
        onAddFiles={onAddFiles}
      />
    );
    mountWrapper = mount(dropContainer);
  });

We should definitely get this update in there while we're working on this part of the codebase given how minimal the change is.

@asudoh
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asudoh commented Jan 13, 2020

OK feel free to push a patch like that. Even though the change is minimal, I see it's distracting.

@asudoh asudoh merged commit 5aa4c47 into carbon-design-system:master Jan 14, 2020
@asudoh asudoh deleted the fileuploader-select-file-link branch January 14, 2020 00:08
@MaheshIBM
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Can anyone help me with which release this might have gone into.

@MaheshIBM
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@joshblack
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Hi @MaheshIBM! 👋 This was included in our v10.9.0 release, can see the commit over in: https://github.com/carbon-design-system/carbon/releases/tag/v10.9.0

You can see our release schedule over at: https://github.com/carbon-design-system/carbon/wiki/Release-radar

Hope this helps!

@MaheshIBM
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@joshblack I see the commit was done after the v10.9.0 release which happened on Dec 19

image

The code in the tag does not seem to have the fix.

As per my understanding, I think this fix might go on 27th Jan 2020 as per screen shot below.

image

If I compare the tag with master, I can see the commit showing up in the compare which means its not in the tag.

v10.9.1...master
or
v10.9.2...master

@joshblack
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@MaheshIBM good catch! Sorry about my mistake up above, not sure where I was finding this commit now. But yes, I believe it'll be in our next patch!

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[DragAndDropFileUploader]: "click to upload" not working
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