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
require 'rails_helper'
describe Upload, type: :model do
describe 'assocations' do
it { is_expected.to belong_to(:model) }
end
describe 'validations' do
it { is_expected.to validate_presence_of(:size) }
it { is_expected.to validate_presence_of(:path) }
it { is_expected.to validate_presence_of(:model) }
it { is_expected.to validate_presence_of(:uploader) }
end
describe 'callbacks' do
context 'for a file above the checksum threshold' do
it 'schedules checksum calculation' do
stub_const('UploadChecksumWorker', spy)
upload = described_class.create(
path: __FILE__,
size: described_class::CHECKSUM_THRESHOLD + 1.kilobyte,
model: build_stubbed(:user),
uploader: double('ExampleUploader')
)
expect(UploadChecksumWorker)
.to have_received(:perform_async).with(upload.id)
end
end
context 'for a file at or below the checksum threshold' do
it 'calculates checksum immediately before save' do
upload = described_class.new(
path: __FILE__,
size: described_class::CHECKSUM_THRESHOLD,
model: build_stubbed(:user),
uploader: double('ExampleUploader')
)
expect { upload.save }
.to change { upload.checksum }.from(nil)
.to(a_string_matching(/\A\h{64}\z/))
end
end
end
describe '.remove_path' do
it 'removes all records at the given path' do
described_class.create!(
size: File.size(__FILE__),
path: __FILE__,
model: build_stubbed(:user),
uploader: 'AvatarUploader'
)
expect { described_class.remove_path(__FILE__) }.
to change { described_class.count }.from(1).to(0)
end
end
describe '.record' do
let(:fake_uploader) do
double(
file: double(size: 12_345),
relative_path: 'foo/bar.jpg',
model: build_stubbed(:user),
class: 'AvatarUploader'
)
end
it 'removes existing paths before creation' do
expect(described_class).to receive(:remove_path)
.with(fake_uploader.relative_path)
described_class.record(fake_uploader)
end
it 'creates a new record and assigns size, path, model, and uploader' do
upload = described_class.record(fake_uploader)
aggregate_failures do
expect(upload).to be_persisted
expect(upload.size).to eq fake_uploader.file.size
expect(upload.path).to eq fake_uploader.relative_path
expect(upload.model_id).to eq fake_uploader.model.id
expect(upload.model_type).to eq fake_uploader.model.class.to_s
expect(upload.uploader).to eq fake_uploader.class
end
end
end
describe '#absolute_path' do
it 'returns the path directly when already absolute' do
path = '/path/to/namespace/project/secret/file.jpg'
upload = described_class.new(path: path)
expect(upload).not_to receive(:uploader_class)
expect(upload.absolute_path).to eq path
end
it "delegates to the uploader's absolute_path method" do
uploader = spy('FakeUploader')
upload = described_class.new(path: 'secret/file.jpg')
expect(upload).to receive(:uploader_class).and_return(uploader)
upload.absolute_path
expect(uploader).to have_received(:absolute_path).with(upload)
end
end
describe '#calculate_checksum' do
it 'calculates the SHA256 sum' do
upload = described_class.new(
path: __FILE__,
size: described_class::CHECKSUM_THRESHOLD - 1.megabyte
)
expected = Digest::SHA256.file(__FILE__).hexdigest
expect { upload.calculate_checksum }
.to change { upload.checksum }.from(nil).to(expected)
end
it 'returns nil for a non-existant file' do
upload = described_class.new(
path: __FILE__,
size: described_class::CHECKSUM_THRESHOLD - 1.megabyte
)
expect(upload).to receive(:exist?).and_return(false)
expect(upload.calculate_checksum).to be_nil
end
end
describe '#exist?' do
it 'returns true when the file exists' do
upload = described_class.new(path: __FILE__)
expect(upload).to exist
end
it 'returns false when the file does not exist' do
upload = described_class.new(path: "#{__FILE__}-nope")
expect(upload).not_to exist
end
end
end