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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
require "utils/git"
describe Git do
before(:each) do
git = HOMEBREW_SHIMS_PATH/"scm/git"
@file = "blah.rb"
HOMEBREW_CACHE.cd do
system git, "init"
File.open(@file, "w") { |f| f.write("blah") }
system git, "add", HOMEBREW_CACHE/@file
system git, "commit", "-m", "'File added'"
@h1 = `git rev-parse HEAD`
File.open(@file, "w") { |f| f.write("brew") }
system git, "add", HOMEBREW_CACHE/@file
system git, "commit", "-m", "'written to File'"
@h2 = `git rev-parse HEAD`
end
end
let(:hash1) { @h1[0..6] }
let(:hash2) { @h2[0..6] }
describe "#last_revision_commit_of_file" do
it "gives last revision commit when before_commit is nil" do
expect(
described_class.last_revision_commit_of_file(HOMEBREW_CACHE, @file),
).to eq(hash1)
end
it "gives revision commit based on before_commit when it is not nil" do
expect(
described_class.last_revision_commit_of_file(HOMEBREW_CACHE,
@file,
before_commit: hash2),
).to eq(hash2)
end
end
describe "#last_revision_of_file" do
it "returns last revision of file" do
expect(
described_class.last_revision_of_file(HOMEBREW_CACHE,
HOMEBREW_CACHE/@file),
).to eq("blah")
end
it "returns last revision of file based on before_commit" do
expect(
described_class.last_revision_of_file(HOMEBREW_CACHE, HOMEBREW_CACHE/@file,
before_commit: "0..3"),
).to eq("brew")
end
end
end
describe Utils do
before(:each) do
described_class.clear_git_version_cache
end
describe "::git_available?" do
it "returns true if git --version command succeeds" do
expect(described_class.git_available?).to be_truthy
end
it "returns false if git --version command does not succeed" do
stub_const("HOMEBREW_SHIMS_PATH", HOMEBREW_PREFIX/"bin/shim")
expect(described_class.git_available?).to be_falsey
end
end
describe "::git_path" do
it "returns nil when git is not available" do
stub_const("HOMEBREW_SHIMS_PATH", HOMEBREW_PREFIX/"bin/shim")
expect(described_class.git_path).to eq(nil)
end
it "returns path of git when git is available" do
expect(described_class.git_path).to end_with("git")
end
end
describe "::git_version" do
it "returns nil when git is not available" do
stub_const("HOMEBREW_SHIMS_PATH", HOMEBREW_PREFIX/"bin/shim")
expect(described_class.git_path).to eq(nil)
end
it "returns version of git when git is available" do
expect(described_class.git_version).not_to be_nil
end
end
describe "::ensure_git_installed!" do
it "returns nil if git already available" do
expect(described_class.ensure_git_installed!).to be_nil
end
context "when git is not already available" do
before do
stub_const("HOMEBREW_SHIMS_PATH", HOMEBREW_PREFIX/"bin/shim")
end
it "can't install brewed git if homebrew/core is unavailable" do
allow_any_instance_of(Pathname).to receive(:directory?).and_return(false)
expect { described_class.ensure_git_installed! }.to raise_error("Git is unavailable")
end
it "raises error if can't install git" do
stub_const("HOMEBREW_BREW_FILE", HOMEBREW_PREFIX/"bin/brew")
expect { described_class.ensure_git_installed! }.to raise_error("Git is unavailable")
end
it "installs git" do
allow(Homebrew).to receive(:_system).with(any_args).and_return(true)
described_class.ensure_git_installed!
end
end
end
describe "::git_remote_exists" do
it "returns true when git is not available" do
stub_const("HOMEBREW_SHIMS_PATH", HOMEBREW_PREFIX/"bin/shim")
expect(described_class.git_remote_exists("blah")).to be_truthy
end
context "when git is available" do
it "returns true when git remote exists", :needs_network do
git = HOMEBREW_SHIMS_PATH/"scm/git"
url = "http://github.com/Homebrew/homebrew.github.io"
repo = HOMEBREW_CACHE/"hey"
repo.mkpath
repo.cd do
system git, "init"
system git, "remote", "add", "origin", url
end
expect(described_class.git_remote_exists(url)).to be_truthy
end
it "returns false when git remote does not exist" do
expect(described_class.git_remote_exists("blah")).to be_falsey
end
end
end
describe "::clear_git_available_cache" do
it "removes @git_path and @git_version if defined" do
described_class.clear_git_available_cache
expect(described_class.instance_variable_get(:@git_path)).to be_nil
expect(described_class.instance_variable_get(:@git_version)).to be_nil
end
it "removes @git if defined" do
described_class.git_available?
described_class.clear_git_available_cache
expect(described_class.instance_variable_get(:@git)).to be_nil
end
end
end
|
