aboutsummaryrefslogtreecommitdiffstats
path: root/common_test.go
blob: e1a2a0f3f8ed802fd7ed1e4bda96c817adbcc55b (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
package git

import (
	"testing"

	"gopkg.in/src-d/go-git.v4/plumbing"
	"gopkg.in/src-d/go-git.v4/plumbing/format/packfile"
	"gopkg.in/src-d/go-git.v4/plumbing/transport"
	"gopkg.in/src-d/go-git.v4/storage/filesystem"
	"gopkg.in/src-d/go-git.v4/storage/memory"

	"github.com/src-d/go-git-fixtures"
	. "gopkg.in/check.v1"
	"gopkg.in/src-d/go-billy.v2/memfs"
	"gopkg.in/src-d/go-billy.v2/osfs"
)

func Test(t *testing.T) { TestingT(t) }

type BaseSuite struct {
	fixtures.Suite
	Repository *Repository

	backupProtocol transport.Transport
	cache          map[string]*Repository
}

func (s *BaseSuite) SetUpSuite(c *C) {
	s.Suite.SetUpSuite(c)
	s.buildBasicRepository(c)

	s.cache = make(map[string]*Repository, 0)
}

func (s *BaseSuite) TearDownSuite(c *C) {
	s.Suite.TearDownSuite(c)
}

func (s *BaseSuite) buildBasicRepository(c *C) {
	f := fixtures.Basic().One()
	s.Repository = s.NewRepository(f)
}

func (s *BaseSuite) NewRepository(f *fixtures.Fixture) *Repository {
	fs := osfs.New(f.DotGit().Base())
	st, err := filesystem.NewStorage(fs)
	if err != nil {
		panic(err)
	}

	r, err := Open(st, fs)
	if err != nil {
		panic(err)
	}

	return r
}

func (s *BaseSuite) NewRepositoryFromPackfile(f *fixtures.Fixture) *Repository {
	h := f.PackfileHash.String()
	if r, ok := s.cache[h]; ok {
		return r
	}

	storer := memory.NewStorage()
	p := f.Packfile()
	defer p.Close()

	n := packfile.NewScanner(p)
	d, err := packfile.NewDecoder(n, storer)
	if err != nil {
		panic(err)
	}

	_, err = d.Decode()
	if err != nil {
		panic(err)
	}

	storer.SetReference(plumbing.NewHashReference(plumbing.HEAD, f.Head))

	r, err := Open(storer, memfs.New())
	if err != nil {
		panic(err)
	}

	s.cache[h] = r
	return r
}

func (s *BaseSuite) GetBasicLocalRepositoryURL() string {
	fixture := fixtures.Basic().One()
	return s.GetLocalRepositoryURL(fixture)
}

func (s *BaseSuite) GetLocalRepositoryURL(f *fixtures.Fixture) string {
	return f.DotGit().Base()
}

type SuiteCommon struct{}

var _ = Suite(&SuiteCommon{})

var countLinesTests = [...]struct {
	i string // the string we want to count lines from
	e int    // the expected number of lines in i
}{
	{"", 0},
	{"a", 1},
	{"a\n", 1},
	{"a\nb", 2},
	{"a\nb\n", 2},
	{"a\nb\nc", 3},
	{"a\nb\nc\n", 3},
	{"a\n\n\nb\n", 4},
	{"first line\n\tsecond line\nthird line\n", 3},
}

func (s *SuiteCommon) TestCountLines(c *C) {
	for i, t := range countLinesTests {
		o := countLines(t.i)
		c.Assert(o, Equals, t.e, Commentf("subtest %d, input=%q", i, t.i))
	}
}