github.com/wrgl/wrgl@v0.14.0/pkg/ref/utils_test.go (about)

     1  // SPDX-License-Identifier: Apache-2.0
     2  // Copyright © 2022 Wrangle Ltd
     3  
     4  package ref_test
     5  
     6  import (
     7  	"testing"
     8  
     9  	"github.com/stretchr/testify/assert"
    10  	"github.com/stretchr/testify/require"
    11  	objmock "github.com/wrgl/wrgl/pkg/objects/mock"
    12  	"github.com/wrgl/wrgl/pkg/ref"
    13  	refhelpers "github.com/wrgl/wrgl/pkg/ref/helpers"
    14  )
    15  
    16  func TestSeekCommonAncestor(t *testing.T) {
    17  	db := objmock.NewStore()
    18  
    19  	base, _ := refhelpers.SaveTestCommit(t, db, nil)
    20  	com1, _ := refhelpers.SaveTestCommit(t, db, [][]byte{base})
    21  	com2, _ := refhelpers.SaveTestCommit(t, db, [][]byte{base})
    22  	b, err := ref.SeekCommonAncestor(db, com1, com2)
    23  	require.NoError(t, err)
    24  	assert.Equal(t, base, b)
    25  
    26  	base, _ = refhelpers.SaveTestCommit(t, db, nil)
    27  	com1, _ = refhelpers.SaveTestCommit(t, db, [][]byte{base})
    28  	com2, _ = refhelpers.SaveTestCommit(t, db, [][]byte{base})
    29  	com3, _ := refhelpers.SaveTestCommit(t, db, [][]byte{com2})
    30  	b, err = ref.SeekCommonAncestor(db, com1, com3)
    31  	require.NoError(t, err)
    32  	assert.Equal(t, base, b)
    33  
    34  	base, _ = refhelpers.SaveTestCommit(t, db, nil)
    35  	com1, _ = refhelpers.SaveTestCommit(t, db, [][]byte{base})
    36  	com2, _ = refhelpers.SaveTestCommit(t, db, [][]byte{base})
    37  	com3, _ = refhelpers.SaveTestCommit(t, db, [][]byte{com1})
    38  	b, err = ref.SeekCommonAncestor(db, com2, com3)
    39  	require.NoError(t, err)
    40  	assert.Equal(t, base, b)
    41  
    42  	com1, _ = refhelpers.SaveTestCommit(t, db, nil)
    43  	com2, _ = refhelpers.SaveTestCommit(t, db, nil)
    44  	_, err = ref.SeekCommonAncestor(db, com1, com2)
    45  	assert.Equal(t, "common ancestor commit not found", err.Error())
    46  
    47  	com1, _ = refhelpers.SaveTestCommit(t, db, nil)
    48  	com2, _ = refhelpers.SaveTestCommit(t, db, nil)
    49  	com3, _ = refhelpers.SaveTestCommit(t, db, [][]byte{com1})
    50  	com4, _ := refhelpers.SaveTestCommit(t, db, [][]byte{com2})
    51  	_, err = ref.SeekCommonAncestor(db, com3, com4)
    52  	assert.Equal(t, "common ancestor commit not found", err.Error())
    53  
    54  	com1, _ = refhelpers.SaveTestCommit(t, db, nil)
    55  	com2, _ = refhelpers.SaveTestCommit(t, db, nil)
    56  	com3, _ = refhelpers.SaveTestCommit(t, db, [][]byte{com2})
    57  	base, _ = refhelpers.SaveTestCommit(t, db, [][]byte{com1, com3})
    58  	com4, _ = refhelpers.SaveTestCommit(t, db, [][]byte{base})
    59  	com5, _ := refhelpers.SaveTestCommit(t, db, [][]byte{base})
    60  	com6, _ := refhelpers.SaveTestCommit(t, db, [][]byte{com5})
    61  	com7, _ := refhelpers.SaveTestCommit(t, db, [][]byte{com6})
    62  	b, err = ref.SeekCommonAncestor(db, com4, com7)
    63  	require.NoError(t, err)
    64  	assert.Equal(t, base, b)
    65  }