aboutsummaryrefslogtreecommitdiffstats
path: root/activestorage/test/models/blob_test.rb
blob: 54cf9e2b8a70a6919f5a5dbf7c7e517961de8811 (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
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
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
# frozen_string_literal: true

require "test_helper"
require "database/setup"
require "active_support/testing/method_call_assertions"

class ActiveStorage::BlobTest < ActiveSupport::TestCase
  include ActiveSupport::Testing::MethodCallAssertions

  test "unattached scope" do
    [ create_blob(filename: "funky.jpg"), create_blob(filename: "town.jpg") ].tap do |blobs|
      User.create! name: "DHH", avatar: blobs.first
      assert_includes ActiveStorage::Blob.unattached, blobs.second
      assert_not_includes ActiveStorage::Blob.unattached, blobs.first

      User.create! name: "Jason", avatar: blobs.second
      assert_not_includes ActiveStorage::Blob.unattached, blobs.second
    end
  end

  test "create after upload sets byte size and checksum" do
    data = "Hello world!"
    blob = create_blob data: data

    assert_equal data, blob.download
    assert_equal data.length, blob.byte_size
    assert_equal Digest::MD5.base64digest(data), blob.checksum
  end

  test "create after upload extracts content type from data" do
    blob = create_file_blob content_type: "application/octet-stream"
    assert_equal "image/jpeg", blob.content_type
  end

  test "create after upload extracts content type from filename" do
    blob = create_blob content_type: "application/octet-stream"
    assert_equal "text/plain", blob.content_type
  end

  test "create after upload extracts content_type from io when no content_type given and identify: false" do
    blob = create_blob content_type: nil, identify: false
    assert_equal "text/plain", blob.content_type
  end

  test "create after upload uses content_type when identify: false" do
    blob = create_blob data: "Article,dates,analysis\n1, 2, 3", filename: "table.csv", content_type: "text/csv", identify: false
    assert_equal "text/csv", blob.content_type
  end

  test "create after upload generates a 28-character base36 key" do
    assert_match(/^[a-z0-9]{28}$/, create_blob.key)
  end

  test "image?" do
    blob = create_file_blob filename: "racecar.jpg"
    assert_predicate blob, :image?
    assert_not_predicate blob, :audio?
  end

  test "video?" do
    blob = create_file_blob(filename: "video.mp4", content_type: "video/mp4")
    assert_predicate blob, :video?
    assert_not_predicate blob, :audio?
  end

  test "text?" do
    blob = create_blob data: "Hello world!"
    assert_predicate blob, :text?
    assert_not_predicate blob, :audio?
  end

  test "download yields chunks" do
    blob   = create_blob data: "a" * 5.0625.megabytes
    chunks = []

    blob.download do |chunk|
      chunks << chunk
    end

    assert_equal 2, chunks.size
    assert_equal "a" * 5.megabytes, chunks.first
    assert_equal "a" * 64.kilobytes, chunks.second
  end

  test "open with integrity" do
    create_file_blob(filename: "racecar.jpg").tap do |blob|
      blob.open do |file|
        assert file.binmode?
        assert_equal 0, file.pos
        assert File.basename(file.path).starts_with?("ActiveStorage-#{blob.id}-")
        assert file.path.ends_with?(".jpg")
        assert_equal file_fixture("racecar.jpg").binread, file.read, "Expected downloaded file to match fixture file"
      end
    end
  end

  test "open without integrity" do
    create_blob(data: "Hello, world!").tap do |blob|
      blob.update! checksum: Digest::MD5.base64digest("Goodbye, world!")

      assert_raises ActiveStorage::IntegrityError do
        blob.open { |file| flunk "Expected integrity check to fail" }
      end
    end
  end

  test "open in a custom tempdir" do
    tempdir = Dir.mktmpdir

    create_file_blob(filename: "racecar.jpg").open(tempdir: tempdir) do |file|
      assert file.binmode?
      assert_equal 0, file.pos
      assert_match(/\.jpg\z/, file.path)
      assert file.path.starts_with?(tempdir)
      assert_equal file_fixture("racecar.jpg").binread, file.read, "Expected downloaded file to match fixture file"
    end
  end

  test "urls expiring in 5 minutes" do
    blob = create_blob

    freeze_time do
      assert_equal expected_url_for(blob), blob.service_url
      assert_equal expected_url_for(blob, disposition: :attachment), blob.service_url(disposition: :attachment)
    end
  end

  test "urls force content_type to binary and attachment as content disposition for content types served as binary" do
    blob = create_blob(content_type: "text/html")

    freeze_time do
      assert_equal expected_url_for(blob, disposition: :attachment, content_type: "application/octet-stream"), blob.service_url
      assert_equal expected_url_for(blob, disposition: :attachment, content_type: "application/octet-stream"), blob.service_url(disposition: :inline)
    end
  end

  test "urls force attachment as content disposition when the content type is not allowed inline" do
    blob = create_blob(content_type: "application/zip")

    freeze_time do
      assert_equal expected_url_for(blob, disposition: :attachment, content_type: "application/zip"), blob.service_url
      assert_equal expected_url_for(blob, disposition: :attachment, content_type: "application/zip"), blob.service_url(disposition: :inline)
    end
  end

  test "urls allow for custom filename" do
    blob = create_blob(filename: "original.txt")
    new_filename = ActiveStorage::Filename.new("new.txt")

    freeze_time do
      assert_equal expected_url_for(blob), blob.service_url
      assert_equal expected_url_for(blob, filename: new_filename), blob.service_url(filename: new_filename)
      assert_equal expected_url_for(blob, filename: new_filename), blob.service_url(filename: "new.txt")
      assert_equal expected_url_for(blob, filename: blob.filename), blob.service_url(filename: nil)
    end
  end

  test "urls allow for custom options" do
    blob = create_blob(filename: "original.txt")

    arguments = [
      blob.key,
      expires_in: ActiveStorage.service_urls_expire_in,
      disposition: :attachment,
      content_type: blob.content_type,
      filename: blob.filename,
      thumb_size: "300x300",
      thumb_mode: "crop"
    ]
    assert_called_with(blob.service, :url, arguments) do
      blob.service_url(thumb_size: "300x300", thumb_mode: "crop")
    end
  end

  test "purge deletes file from external service" do
    blob = create_blob

    blob.purge
    assert_not ActiveStorage::Blob.service.exist?(blob.key)
  end

  test "purge deletes variants from external service" do
    blob = create_file_blob
    variant = blob.variant(resize: "100>").processed

    blob.purge
    assert_not ActiveStorage::Blob.service.exist?(variant.key)
  end

  test "purge does nothing when attachments exist" do
    create_blob.tap do |blob|
      User.create! name: "DHH", avatar: blob
      assert_no_difference(-> { ActiveStorage::Blob.count }) { blob.purge }
      assert ActiveStorage::Blob.service.exist?(blob.key)
    end
  end

  private
    def expected_url_for(blob, disposition: :attachment, filename: nil, content_type: nil)
      filename ||= blob.filename
      content_type ||= blob.content_type

      query = { disposition: ActionDispatch::Http::ContentDisposition.format(disposition: disposition, filename: filename.sanitized), content_type: content_type }
      key_params = { key: blob.key }.merge(query)

      "https://example.com/rails/active_storage/disk/#{ActiveStorage.verifier.generate(key_params, expires_in: 5.minutes, purpose: :blob_key)}/#{filename}?#{query.to_param}"
    end
end