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package git
import (
"os"
"testing"
)
func TestMergeWithSelf(t *testing.T) {
repo := createTestRepo(t)
seedTestRepo(t, repo)
master, err := repo.LookupReference("refs/heads/master")
checkFatal(t, err)
mergeHead, err := repo.AnnotatedCommitFromRef(master)
checkFatal(t, err)
mergeHeads := make([]*AnnotatedCommit, 1)
mergeHeads[0] = mergeHead
err = repo.Merge(mergeHeads, nil, nil)
checkFatal(t, err)
}
func TestMergeAnalysisWithSelf(t *testing.T) {
repo := createTestRepo(t)
seedTestRepo(t, repo)
master, err := repo.LookupReference("refs/heads/master")
checkFatal(t, err)
mergeHead, err := repo.AnnotatedCommitFromRef(master)
checkFatal(t, err)
mergeHeads := make([]*AnnotatedCommit, 1)
mergeHeads[0] = mergeHead
a, _, err := repo.MergeAnalysis(mergeHeads)
checkFatal(t, err)
if a != MergeAnalysisUpToDate {
t.Fatalf("Expected up to date merge, not %v", a)
}
}
func TestMergeSameFile(t *testing.T) {
file := MergeFileInput{
Path: "test",
Mode: 33188,
Contents: []byte("hello world"),
}
result, err := MergeFile(file, file, file, nil)
checkFatal(t, err)
if !result.Automergeable {
t.Fatal("expected automergeable")
}
if result.Path != file.Path {
t.Fatal("path was incorrect")
}
if result.Mode != file.Mode {
t.Fatal("mode was incorrect")
}
compareBytes(t, file.Contents, result.Contents)
}
func TestMergeTreesWithoutAncestor(t *testing.T) {
repo := createTestRepo(t)
defer repo.Free()
defer os.RemoveAll(repo.Workdir())
_, originalTreeId := seedTestRepo(t, repo)
originalTree, err := repo.LookupTree(originalTreeId)
checkFatal(t, err)
_, newTreeId := updateReadme(t, repo, "file changed\n")
newTree, err := repo.LookupTree(newTreeId)
checkFatal(t, err)
index, err := repo.MergeTrees(nil, originalTree, newTree, nil)
if !index.HasConflicts() {
t.Fatal("expected conflicts in the index")
}
_, err = index.GetConflict("README")
checkFatal(t, err)
}
func compareBytes(t *testing.T, expected, actual []byte) {
for i, v := range expected {
if actual[i] != v {
t.Fatalf("Bad bytes")
}
}
}
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