Add caching for the Mill build tool

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clintval 2025-05-05 12:15:38 -10:00
commit 18d114c65a
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9 changed files with 214 additions and 7 deletions

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@ -201,6 +201,48 @@ describe('dependency cache', () => {
expect(firstCall).not.toBe(thirdCall);
});
});
describe('for mill', () => {
it('throws error if no build.sc found', async () => {
await expect(restore('mill', '')).rejects.toThrow(
`No file in ${projectRoot(
workspace
)} matched to [**/build.sc,**/*.sc,**/mill,**/.mill-version,**/.config/mill-version], make sure you have checked out the target repository`
);
});
it('downloads cache', async () => {
createFile(join(workspace, 'build.sc'));
await restore('mill', '');
expect(spyCacheRestore).toHaveBeenCalled();
expect(spyGlobHashFiles).toHaveBeenCalledWith(
'**/build.sc\n**/*.sc\n**/mill\n**/.mill-version\n**/.config/mill-version'
);
expect(spyWarning).not.toHaveBeenCalled();
expect(spyInfo).toHaveBeenCalledWith('mill cache is not found');
});
it('detects scala and mill changes under **/mill-build/ folder', async () => {
createFile(join(workspace, 'build.sc'));
createDirectory(join(workspace, 'project'));
createFile(join(workspace, '.config/mill-version'));
await restore('mill', '');
const firstCall = spySaveState.mock.calls.toString();
spySaveState.mockClear();
await restore('mill', '');
const secondCall = spySaveState.mock.calls.toString();
// Make sure multiple restores produce the same cache
expect(firstCall).toBe(secondCall);
spySaveState.mockClear();
createFile(join(workspace, '.mill-version'));
await restore('mill', '');
const thirdCall = spySaveState.mock.calls.toString();
expect(firstCall).not.toBe(thirdCall);
});
});
it('downloads cache based on versions.properties', async () => {
createFile(join(workspace, 'versions.properties'));