mirror of
https://github.com/MichaelMure/git-bug.git
synced 2024-12-17 13:10:17 +03:00
340 lines
9.7 KiB
Go
340 lines
9.7 KiB
Go
package cache
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import (
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"strings"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"github.com/MichaelMure/git-bug/entities/bug"
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"github.com/MichaelMure/git-bug/entities/identity"
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"github.com/MichaelMure/git-bug/entity"
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"github.com/MichaelMure/git-bug/query"
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"github.com/MichaelMure/git-bug/repository"
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)
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func TestCache(t *testing.T) {
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repo := repository.CreateGoGitTestRepo(t, false)
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indexCount := func(t *testing.T, name string) uint64 {
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t.Helper()
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idx, err := repo.GetIndex(name)
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require.NoError(t, err)
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count, err := idx.DocCount()
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require.NoError(t, err)
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return count
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}
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cache, err := NewRepoCacheNoEvents(repo)
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require.NoError(t, err)
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// Create, set and get user identity
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iden1, err := cache.Identities().New("René Descartes", "rene@descartes.fr")
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require.NoError(t, err)
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err = cache.SetUserIdentity(iden1)
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require.NoError(t, err)
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userIden, err := cache.GetUserIdentity()
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require.NoError(t, err)
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require.Equal(t, iden1.Id(), userIden.Id())
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// it's possible to create two identical identities
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iden2, err := cache.Identities().New("René Descartes", "rene@descartes.fr")
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require.NoError(t, err)
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// Two identical identities yield a different id
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require.NotEqual(t, iden1.Id(), iden2.Id())
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// There is now two identities in the cache
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require.Len(t, cache.Identities().AllIds(), 2)
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require.Len(t, cache.identities.excerpts, 2)
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require.Len(t, cache.identities.cached, 2)
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require.Equal(t, uint64(2), indexCount(t, identity.Namespace))
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require.Equal(t, uint64(0), indexCount(t, bug.Namespace))
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// Create a bug
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bug1, _, err := cache.Bugs().New("title", "message")
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require.NoError(t, err)
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// It's possible to create two identical bugs
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bug2, _, err := cache.Bugs().New("title", "marker")
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require.NoError(t, err)
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// two identical bugs yield a different id
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require.NotEqual(t, bug1.Id(), bug2.Id())
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// There is now two bugs in the cache
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require.Len(t, cache.Bugs().AllIds(), 2)
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require.Len(t, cache.bugs.excerpts, 2)
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require.Len(t, cache.bugs.cached, 2)
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require.Equal(t, uint64(2), indexCount(t, identity.Namespace))
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require.Equal(t, uint64(2), indexCount(t, bug.Namespace))
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// Resolving
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_, err = cache.Identities().Resolve(iden1.Id())
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require.NoError(t, err)
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_, err = cache.Identities().ResolveExcerpt(iden1.Id())
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require.NoError(t, err)
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_, err = cache.Identities().ResolvePrefix(iden1.Id().String()[:10])
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require.NoError(t, err)
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_, err = cache.Bugs().Resolve(bug1.Id())
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require.NoError(t, err)
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_, err = cache.Bugs().ResolveExcerpt(bug1.Id())
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require.NoError(t, err)
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_, err = cache.Bugs().ResolvePrefix(bug1.Id().String()[:10])
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require.NoError(t, err)
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// Querying
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q, err := query.Parse("status:open author:descartes sort:edit-asc")
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require.NoError(t, err)
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res, err := cache.Bugs().Query(q)
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require.NoError(t, err)
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require.Len(t, res, 2)
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q, err = query.Parse("status:open marker") // full-text search
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require.NoError(t, err)
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res, err = cache.Bugs().Query(q)
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require.NoError(t, err)
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require.Len(t, res, 1)
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// Close
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require.NoError(t, cache.Close())
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require.Empty(t, cache.bugs.cached)
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require.Empty(t, cache.bugs.excerpts)
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require.Empty(t, cache.identities.cached)
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require.Empty(t, cache.identities.excerpts)
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// Reload, only excerpt are loaded, but as we need to load the identities used in the bugs
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// to check the signatures, we also load the identity used above
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cache, err = NewRepoCacheNoEvents(repo)
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require.NoError(t, err)
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require.Len(t, cache.bugs.cached, 0)
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require.Len(t, cache.bugs.excerpts, 2)
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require.Len(t, cache.identities.cached, 0)
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require.Len(t, cache.identities.excerpts, 2)
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require.Equal(t, uint64(2), indexCount(t, identity.Namespace))
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require.Equal(t, uint64(2), indexCount(t, bug.Namespace))
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// Resolving load from the disk
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_, err = cache.Identities().Resolve(iden1.Id())
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require.NoError(t, err)
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_, err = cache.Identities().ResolveExcerpt(iden1.Id())
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require.NoError(t, err)
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_, err = cache.Identities().ResolvePrefix(iden1.Id().String()[:10])
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require.NoError(t, err)
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_, err = cache.Bugs().Resolve(bug1.Id())
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require.NoError(t, err)
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_, err = cache.Bugs().ResolveExcerpt(bug1.Id())
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require.NoError(t, err)
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_, err = cache.Bugs().ResolvePrefix(bug1.Id().String()[:10])
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require.NoError(t, err)
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// Close
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require.NoError(t, cache.Close())
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require.Empty(t, cache.bugs.cached)
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require.Empty(t, cache.bugs.excerpts)
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require.Empty(t, cache.identities.cached)
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require.Empty(t, cache.identities.excerpts)
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}
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func TestCachePushPull(t *testing.T) {
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repoA, repoB, _ := repository.SetupGoGitReposAndRemote(t)
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cacheA := createTestRepoCacheNoEvents(t, repoA)
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cacheB := createTestRepoCacheNoEvents(t, repoB)
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// Create, set and get user identity
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reneA, err := cacheA.Identities().New("René Descartes", "rene@descartes.fr")
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require.NoError(t, err)
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err = cacheA.SetUserIdentity(reneA)
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require.NoError(t, err)
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isaacB, err := cacheB.Identities().New("Isaac Newton", "isaac@newton.uk")
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require.NoError(t, err)
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err = cacheB.SetUserIdentity(isaacB)
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require.NoError(t, err)
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// distribute the identity
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_, err = cacheA.Push("origin")
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require.NoError(t, err)
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err = cacheB.Pull("origin")
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require.NoError(t, err)
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// Create a bug in A
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_, _, err = cacheA.Bugs().New("bug1", "message")
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require.NoError(t, err)
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// A --> remote --> B
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_, err = cacheA.Push("origin")
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require.NoError(t, err)
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err = cacheB.Pull("origin")
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require.NoError(t, err)
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require.Len(t, cacheB.Bugs().AllIds(), 1)
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// retrieve and set identity
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reneB, err := cacheB.Identities().Resolve(reneA.Id())
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require.NoError(t, err)
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err = cacheB.SetUserIdentity(reneB)
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require.NoError(t, err)
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// B --> remote --> A
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_, _, err = cacheB.Bugs().New("bug2", "message")
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require.NoError(t, err)
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_, err = cacheB.Push("origin")
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require.NoError(t, err)
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err = cacheA.Pull("origin")
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require.NoError(t, err)
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require.Len(t, cacheA.Bugs().AllIds(), 2)
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}
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func TestRemove(t *testing.T) {
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repo := repository.CreateGoGitTestRepo(t, false)
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remoteA := repository.CreateGoGitTestRepo(t, true)
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remoteB := repository.CreateGoGitTestRepo(t, true)
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err := repo.AddRemote("remoteA", remoteA.GetLocalRemote())
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require.NoError(t, err)
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err = repo.AddRemote("remoteB", remoteB.GetLocalRemote())
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require.NoError(t, err)
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repoCache := createTestRepoCacheNoEvents(t, repo)
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rene, err := repoCache.Identities().New("René Descartes", "rene@descartes.fr")
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require.NoError(t, err)
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err = repoCache.SetUserIdentity(rene)
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require.NoError(t, err)
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_, _, err = repoCache.Bugs().New("title", "message")
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require.NoError(t, err)
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// and one more for testing
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b1, _, err := repoCache.Bugs().New("title", "message")
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require.NoError(t, err)
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_, err = repoCache.Push("remoteA")
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require.NoError(t, err)
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_, err = repoCache.Push("remoteB")
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require.NoError(t, err)
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_, err = repoCache.Fetch("remoteA")
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require.NoError(t, err)
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_, err = repoCache.Fetch("remoteB")
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require.NoError(t, err)
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err = repoCache.Bugs().Remove(b1.Id().String())
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require.NoError(t, err)
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assert.Len(t, repoCache.bugs.cached, 1)
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assert.Len(t, repoCache.bugs.excerpts, 1)
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_, err = repoCache.Bugs().Resolve(b1.Id())
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assert.ErrorAs(t, entity.ErrNotFound{}, err)
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}
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func TestCacheEviction(t *testing.T) {
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repo := repository.CreateGoGitTestRepo(t, false)
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repoCache := createTestRepoCacheNoEvents(t, repo)
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repoCache.setCacheSize(2)
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require.Equal(t, 2, repoCache.bugs.maxLoaded)
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require.Len(t, repoCache.bugs.cached, 0)
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require.Equal(t, repoCache.bugs.lru.Len(), 0)
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// Generating some bugs
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rene, err := repoCache.Identities().New("René Descartes", "rene@descartes.fr")
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require.NoError(t, err)
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err = repoCache.SetUserIdentity(rene)
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require.NoError(t, err)
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bug1, _, err := repoCache.Bugs().New("title", "message")
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require.NoError(t, err)
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checkBugPresence(t, repoCache, bug1, true)
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require.Len(t, repoCache.bugs.cached, 1)
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require.Equal(t, 1, repoCache.bugs.lru.Len())
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bug2, _, err := repoCache.Bugs().New("title", "message")
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require.NoError(t, err)
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checkBugPresence(t, repoCache, bug1, true)
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checkBugPresence(t, repoCache, bug2, true)
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require.Len(t, repoCache.bugs.cached, 2)
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require.Equal(t, 2, repoCache.bugs.lru.Len())
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// Number of bugs should not exceed max size of lruCache, oldest one should be evicted
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bug3, _, err := repoCache.Bugs().New("title", "message")
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require.NoError(t, err)
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require.Len(t, repoCache.bugs.cached, 2)
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require.Equal(t, 2, repoCache.bugs.lru.Len())
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checkBugPresence(t, repoCache, bug1, false)
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checkBugPresence(t, repoCache, bug2, true)
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checkBugPresence(t, repoCache, bug3, true)
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// Accessing bug should update position in lruCache and therefore it should not be evicted
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repoCache.bugs.lru.Get(bug2.Id())
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oldestId, _ := repoCache.bugs.lru.GetOldest()
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require.Equal(t, bug3.Id(), oldestId)
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checkBugPresence(t, repoCache, bug1, false)
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checkBugPresence(t, repoCache, bug2, true)
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checkBugPresence(t, repoCache, bug3, true)
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require.Len(t, repoCache.bugs.cached, 2)
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require.Equal(t, 2, repoCache.bugs.lru.Len())
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}
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func TestLongDescription(t *testing.T) {
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// See https://github.com/MichaelMure/git-bug/issues/606
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text := strings.Repeat("x", 65536)
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repo := repository.CreateGoGitTestRepo(t, false)
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backend := createTestRepoCacheNoEvents(t, repo)
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i, err := backend.Identities().New("René Descartes", "rene@descartes.fr")
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require.NoError(t, err)
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_, _, err = backend.Bugs().NewRaw(i, time.Now().Unix(), text, text, nil, nil)
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require.NoError(t, err)
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}
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func checkBugPresence(t *testing.T, cache *RepoCache, bug *BugCache, presence bool) {
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t.Helper()
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id := bug.Id()
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require.Equal(t, presence, cache.bugs.lru.Contains(id))
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b, ok := cache.bugs.cached[id]
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require.Equal(t, presence, ok)
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if ok {
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require.Equal(t, bug, b)
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}
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}
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func createTestRepoCacheNoEvents(t *testing.T, repo repository.TestedRepo) *RepoCache {
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t.Helper()
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cache, err := NewRepoCacheNoEvents(repo)
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require.NoError(t, err)
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t.Cleanup(func() {
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require.NoError(t, cache.Close())
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})
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return cache
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}
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