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package repository
import (
"log"
"math/rand"
"os"
"strings"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func CleanupTestRepos(repos ...Repo) {
var firstErr error
for _, repo := range repos {
path := repo.GetPath()
if strings.HasSuffix(path, "/.git") {
// for a normal repository (not --bare), we want to remove everything
// including the parent directory where files are checked out
path = strings.TrimSuffix(path, "/.git")
// Testing non-bare repo should also check path is
// only .git (i.e. ./.git), but doing so, we should
// try to remove the current directory and hav some
// trouble. In the present case, this case should not
// occur.
// TODO consider warning or error when path == ".git"
}
// fmt.Println("Cleaning repo:", path)
err := os.RemoveAll(path)
if err != nil {
log.Println(err)
if firstErr == nil {
firstErr = err
}
}
}
if firstErr != nil {
log.Fatal(firstErr)
}
}
type RepoCreator func(bare bool) TestedRepo
type RepoCleaner func(repos ...Repo)
// Test suite for a Repo implementation
func RepoTest(t *testing.T, creator RepoCreator, cleaner RepoCleaner) {
t.Run("Blob-Tree-Commit-Ref", func(t *testing.T) {
repo := creator(false)
defer cleaner(repo)
// Blob
data := randomData()
blobHash1, err := repo.StoreData(data)
require.NoError(t, err)
assert.True(t, blobHash1.IsValid())
blob1Read, err := repo.ReadData(blobHash1)
require.NoError(t, err)
assert.Equal(t, data, blob1Read)
// Tree
blobHash2, err := repo.StoreData(randomData())
require.NoError(t, err)
blobHash3, err := repo.StoreData(randomData())
require.NoError(t, err)
tree1 := []TreeEntry{
{
ObjectType: Blob,
Hash: blobHash1,
Name: "blob1",
},
{
ObjectType: Blob,
Hash: blobHash2,
Name: "blob2",
},
}
treeHash1, err := repo.StoreTree(tree1)
require.NoError(t, err)
assert.True(t, treeHash1.IsValid())
tree1Read, err := repo.ReadTree(treeHash1)
require.NoError(t, err)
assert.ElementsMatch(t, tree1, tree1Read)
tree2 := []TreeEntry{
{
ObjectType: Tree,
Hash: treeHash1,
Name: "tree1",
},
{
ObjectType: Blob,
Hash: blobHash3,
Name: "blob3",
},
}
treeHash2, err := repo.StoreTree(tree2)
require.NoError(t, err)
assert.True(t, treeHash2.IsValid())
tree2Read, err := repo.ReadTree(treeHash2)
require.NoError(t, err)
assert.ElementsMatch(t, tree2, tree2Read)
// Commit
commit1, err := repo.StoreCommit(treeHash1)
require.NoError(t, err)
assert.True(t, commit1.IsValid())
treeHash1Read, err := repo.GetTreeHash(commit1)
require.NoError(t, err)
assert.Equal(t, treeHash1, treeHash1Read)
commit2, err := repo.StoreCommitWithParent(treeHash2, commit1)
require.NoError(t, err)
assert.True(t, commit2.IsValid())
treeHash2Read, err := repo.GetTreeHash(commit2)
require.NoError(t, err)
assert.Equal(t, treeHash2, treeHash2Read)
// Ref
exist1, err := repo.RefExist("refs/bugs/ref1")
require.NoError(t, err)
assert.False(t, exist1)
err = repo.UpdateRef("refs/bugs/ref1", commit2)
require.NoError(t, err)
exist1, err = repo.RefExist("refs/bugs/ref1")
require.NoError(t, err)
assert.True(t, exist1)
ls, err := repo.ListRefs("refs/bugs")
require.NoError(t, err)
assert.ElementsMatch(t, []string{"refs/bugs/ref1"}, ls)
err = repo.CopyRef("refs/bugs/ref1", "refs/bugs/ref2")
require.NoError(t, err)
ls, err = repo.ListRefs("refs/bugs")
require.NoError(t, err)
assert.ElementsMatch(t, []string{"refs/bugs/ref1", "refs/bugs/ref2"}, ls)
commits, err := repo.ListCommits("refs/bugs/ref2")
require.NoError(t, err)
assert.ElementsMatch(t, []Hash{commit1, commit2}, commits)
// Graph
commit3, err := repo.StoreCommitWithParent(treeHash1, commit1)
require.NoError(t, err)
ancestorHash, err := repo.FindCommonAncestor(commit2, commit3)
require.NoError(t, err)
assert.Equal(t, commit1, ancestorHash)
err = repo.RemoveRef("refs/bugs/ref1")
require.NoError(t, err)
})
t.Run("Local config", func(t *testing.T) {
repo := creator(false)
defer cleaner(repo)
testConfig(t, repo.LocalConfig())
})
}
func randomData() []byte {
var letterRunes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
b := make([]byte, 32)
for i := range b {
b[i] = letterRunes[rand.Intn(len(letterRunes))]
}
return b
}
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