aboutsummaryrefslogtreecommitdiffstats
path: root/common_test.go
blob: 9c20a9a92602523d6fcf8680840ffa06e1cfe74e (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
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
package git

import (
	"fmt"
	"testing"

	"gopkg.in/src-d/go-git.v4/fixtures"
	"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/storer"
	"gopkg.in/src-d/go-git.v4/plumbing/transport"
	"gopkg.in/src-d/go-git.v4/plumbing/transport/client"
	"gopkg.in/src-d/go-git.v4/storage/filesystem"
	"gopkg.in/src-d/go-git.v4/storage/memory"

	. "gopkg.in/check.v1"
	memoryfs "srcd.works/go-billy.v1/memory"
	"srcd.works/go-billy.v1/os"
)

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

type BaseSuite struct {
	fixtures.Suite
	Repository *Repository
	Storer     storer.EncodedObjectStorer

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

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

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

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

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

func (s *BaseSuite) NewRepository(f *fixtures.Fixture) *Repository {
	fs := os.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, memoryfs.New())
	if err != nil {
		panic(err)
	}

	s.cache[h] = r
	return r
}

func (s *BaseSuite) installMockProtocol() {
	s.backupProtocol = client.Protocols["https"]
	client.InstallProtocol("https", nil)
}

func (s *BaseSuite) uninstallMockProtocol() {
	client.InstallProtocol("https", s.backupProtocol)
}

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

func (s *BaseSuite) GetLocalRepositoryURL(f *fixtures.Fixture) string {
	path := f.DotGit().Base()
	return fmt.Sprintf("file://%s", path)
}

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))
	}
}