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Fix unstable reads for XCSchemeManagement #758

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merged 1 commit into from
Apr 24, 2023

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kwridan
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@kwridan kwridan commented Apr 22, 2023

Resolves: #756

Short description πŸ“

  • Reading the same xcschememanagement.plist file was resulting in different XCSchemeManagement objects
  • This was due to the internal conversion of the schemeUserState from a dictionary to an array without sorting the dictionary key
  • This lead to having differently ordered XCSchemeManagement arrays each time the plist was read
  • Writes were stable (going from XCSchemeManagement > plist) is most likely why this wasn't previously noticed

Solution πŸ“¦

  • To address this, they dictionary elements are sorted by key name
  • Read stability tests have also been added and fixture updated to include more entries to aid with testing

Test Plan πŸ› οΈ

  • Verify unit tests pass
  • Verify writing an xcschememanagement.plist file remains unchanged by these changes

Notes πŸ“

it's unclear why the schemeUserState is stored as an array, it's a candidate to be changed to dictionary in the next major release as it would be a breaking change to do so now without any compatibility accessors to maintain the same public API.

Resolves: #756

- Reading the same `xcschememanagement.plist` file was resulting in different `XCSchemeManagement` objects
- This was due to the internal conversion of the `schemeUserState` from a dictionary to an array without sorting the dictionary key
- This lead to having differently ordered `XCSchemeManagement` arrays each time the plist was read
- Wrties were stable (going from `XCSchemeManagement` > `plist`) is most likely why this wasn't previously noticed
- To address this, they dictionary elements are sorted by key name
- Read stability tests have also been added and fixture updated to include more entries to aid with testing

Note: it's unclear why the `schemeUserState` is stored as an array, it's a candidate to be changed to dictionary in the next major release as it would be a breaking change to do so now without any compatibility accessors to maintain the same public API.

Test Plan:

- Verify unit tests pass
- Verify writing an `xcschememanagement.plist` file remains unchanged by these changes
@kwridan kwridan merged commit ceb3721 into main Apr 24, 2023
@kwridan kwridan deleted the fix/unstable-xcschememanagement branch April 24, 2023 07:05
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XCSchemeManagement reads from path are unstable
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