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118 lines
3.1 KiB
Go
118 lines
3.1 KiB
Go
package dag
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import (
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestWriteRead(t *testing.T) {
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repo, id1, id2, def := makeTestContext()
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entity := New(def)
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require.False(t, entity.NeedCommit())
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entity.Append(newOp1(id1, "foo"))
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entity.Append(newOp2(id1, "bar"))
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require.True(t, entity.NeedCommit())
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require.NoError(t, entity.CommitAdNeeded(repo))
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require.False(t, entity.NeedCommit())
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entity.Append(newOp2(id2, "foobar"))
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require.True(t, entity.NeedCommit())
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require.NoError(t, entity.CommitAdNeeded(repo))
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require.False(t, entity.NeedCommit())
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read, err := Read(def, repo, entity.Id())
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require.NoError(t, err)
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assertEqualEntities(t, entity, read)
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}
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func assertEqualEntities(t *testing.T, a, b *Entity) {
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// testify doesn't support comparing functions and systematically fail if they are not nil
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// so we have to set them to nil temporarily
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backOpUnA := a.Definition.operationUnmarshaler
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backOpUnB := b.Definition.operationUnmarshaler
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a.Definition.operationUnmarshaler = nil
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b.Definition.operationUnmarshaler = nil
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backIdResA := a.Definition.identityResolver
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backIdResB := b.Definition.identityResolver
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a.Definition.identityResolver = nil
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b.Definition.identityResolver = nil
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defer func() {
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a.Definition.operationUnmarshaler = backOpUnA
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b.Definition.operationUnmarshaler = backOpUnB
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a.Definition.identityResolver = backIdResA
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b.Definition.identityResolver = backIdResB
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}()
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require.Equal(t, a, b)
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}
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// // Merge
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//
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// merge1 := makeCommit(t, repo)
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// merge1 = makeCommit(t, repo, merge1)
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// err = repo.UpdateRef("merge1", merge1)
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// require.NoError(t, err)
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//
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// err = repo.UpdateRef("merge2", merge1)
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// require.NoError(t, err)
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//
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// // identical merge
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// err = repo.MergeRef("merge1", "merge2")
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// require.NoError(t, err)
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//
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// refMerge1, err := repo.ResolveRef("merge1")
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// require.NoError(t, err)
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// require.Equal(t, merge1, refMerge1)
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// refMerge2, err := repo.ResolveRef("merge2")
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// require.NoError(t, err)
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// require.Equal(t, merge1, refMerge2)
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//
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// // fast-forward merge
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// merge2 := makeCommit(t, repo, merge1)
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// merge2 = makeCommit(t, repo, merge2)
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//
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// err = repo.UpdateRef("merge2", merge2)
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// require.NoError(t, err)
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//
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// err = repo.MergeRef("merge1", "merge2")
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// require.NoError(t, err)
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//
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// refMerge1, err = repo.ResolveRef("merge1")
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// require.NoError(t, err)
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// require.Equal(t, merge2, refMerge1)
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// refMerge2, err = repo.ResolveRef("merge2")
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// require.NoError(t, err)
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// require.Equal(t, merge2, refMerge2)
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//
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// // merge commit
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// merge1 = makeCommit(t, repo, merge1)
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// err = repo.UpdateRef("merge1", merge1)
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// require.NoError(t, err)
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//
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// merge2 = makeCommit(t, repo, merge2)
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// err = repo.UpdateRef("merge2", merge2)
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// require.NoError(t, err)
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//
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// err = repo.MergeRef("merge1", "merge2")
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// require.NoError(t, err)
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//
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// refMerge1, err = repo.ResolveRef("merge1")
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// require.NoError(t, err)
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// require.NotEqual(t, merge1, refMerge1)
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// commitRefMerge1, err := repo.ReadCommit(refMerge1)
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// require.NoError(t, err)
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// require.ElementsMatch(t, commitRefMerge1.Parents, []Hash{merge1, merge2})
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// refMerge2, err = repo.ResolveRef("merge2")
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// require.NoError(t, err)
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// require.Equal(t, merge2, refMerge2)
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