Function TestCacheEviction

cache/repo_cache_test.go:287–337

(t *testing.T)

}

func TestCacheEviction(t *testing.T) {
	repo := repository.CreateGoGitTestRepo(t, false)
	repoCache := createTestRepoCacheNoEvents(t, repo)
	repoCache.setCacheSize(2)

	require.Equal(t, 2, repoCache.bugs.maxLoaded)
	require.Len(t, repoCache.bugs.cached, 0)
	require.Equal(t, repoCache.bugs.lru.Len(), 0)

	// Generating some bugs
	rene, err := repoCache.Identities().New("René Descartes", "rene@descartes.fr")
	require.NoError(t, err)
	err = repoCache.SetUserIdentity(rene)
	require.NoError(t, err)

	bug1, _, err := repoCache.Bugs().New("title", "message")
	require.NoError(t, err)

	checkBugPresence(t, repoCache, bug1, true)
	require.Len(t, repoCache.bugs.cached, 1)
	require.Equal(t, 1, repoCache.bugs.lru.Len())

	bug2, _, err := repoCache.Bugs().New("title", "message")
	require.NoError(t, err)

	checkBugPresence(t, repoCache, bug1, true)
	checkBugPresence(t, repoCache, bug2, true)
	require.Len(t, repoCache.bugs.cached, 2)
	require.Equal(t, 2, repoCache.bugs.lru.Len())

	// Number of bugs should not exceed max size of lruCache, oldest one should be evicted
	bug3, _, err := repoCache.Bugs().New("title", "message")
	require.NoError(t, err)

	require.Len(t, repoCache.bugs.cached, 2)
	require.Equal(t, 2, repoCache.bugs.lru.Len())
	checkBugPresence(t, repoCache, bug1, false)
	checkBugPresence(t, repoCache, bug2, true)
	checkBugPresence(t, repoCache, bug3, true)

	// Accessing bug should update position in lruCache, and therefore it should not be evicted
	repoCache.bugs.lru.Get(bug2.Id())
	oldestId, _ := repoCache.bugs.lru.GetOldest()
	require.Equal(t, bug3.Id(), oldestId)

	checkBugPresence(t, repoCache, bug1, false)
	checkBugPresence(t, repoCache, bug2, true)
	checkBugPresence(t, repoCache, bug3, true)
	require.Len(t, repoCache.bugs.cached, 2)
	require.Equal(t, 2, repoCache.bugs.lru.Len())
}

func TestLongDescription(t *testing.T) {
	// See https://github.com/git-bug/git-bug/issues/606