aboutsummaryrefslogtreecommitdiffstats
path: root/railties/test/application/rake/dbs_test.rb
blob: 8bbae64d5e74d1f8ac390535bb559612f3247dfa (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
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
require "isolation/abstract_unit"
require "active_support/core_ext/string/strip"

module ApplicationTests
  module RakeTests
    class RakeDbsTest < ActiveSupport::TestCase
      include ActiveSupport::Testing::Isolation

      def setup
        build_app
        FileUtils.rm_rf("#{app_path}/config/environments")
      end

      def teardown
        teardown_app
      end

      def database_url_db_name
        "db/database_url_db.sqlite3"
      end

      def set_database_url
        ENV["DATABASE_URL"] = "sqlite3:#{database_url_db_name}"
        # ensure it's using the DATABASE_URL
        FileUtils.rm_rf("#{app_path}/config/database.yml")
      end

      def db_create_and_drop(expected_database)
        Dir.chdir(app_path) do
          output = `bin/rails db:create`
          assert_match(/Created database/, output)
          assert File.exist?(expected_database)
          assert_equal expected_database, ActiveRecord::Base.connection_config[:database]
          output = `bin/rails db:drop`
          assert_match(/Dropped database/, output)
          assert !File.exist?(expected_database)
        end
      end

      test "db:create and db:drop without database url" do
        require "#{app_path}/config/environment"
        db_create_and_drop ActiveRecord::Base.configurations[Rails.env]["database"]
      end

      test "db:create and db:drop with database url" do
        require "#{app_path}/config/environment"
        set_database_url
        db_create_and_drop database_url_db_name
      end

      def with_database_existing
        Dir.chdir(app_path) do
          set_database_url
          `bin/rails db:create`
          yield
          `bin/rails db:drop`
        end
      end

      test "db:create failure because database exists" do
        with_database_existing do
          output = `bin/rails db:create 2>&1`
          assert_match(/already exists/, output)
          assert_equal 0, $?.exitstatus
        end
      end

      def with_bad_permissions
        Dir.chdir(app_path) do
          set_database_url
          FileUtils.chmod("-w", "db")
          yield
          FileUtils.chmod("+w", "db")
        end
      end

      test "db:create failure because bad permissions" do
        with_bad_permissions do
          output = `bin/rails db:create 2>&1`
          assert_match(/Couldn't create database/, output)
          assert_equal 1, $?.exitstatus
        end
      end

      test "db:drop failure because database does not exist" do
        Dir.chdir(app_path) do
          output = `bin/rails db:drop:_unsafe --trace 2>&1`
          assert_match(/does not exist/, output)
          assert_equal 0, $?.exitstatus
        end
      end

      test "db:drop failure because bad permissions" do
        with_database_existing do
          with_bad_permissions do
            output = `bin/rails db:drop 2>&1`
            assert_match(/Couldn't drop/, output)
            assert_equal 1, $?.exitstatus
          end
        end
      end

      def db_migrate_and_status(expected_database)
        Dir.chdir(app_path) do
          `bin/rails generate model book title:string;
           bin/rails db:migrate`
          output = `bin/rails db:migrate:status`
          assert_match(%r{database:\s+\S*#{Regexp.escape(expected_database)}}, output)
          assert_match(/up\s+\d{14}\s+Create books/, output)
        end
      end

      test "db:migrate and db:migrate:status without database_url" do
        require "#{app_path}/config/environment"
        db_migrate_and_status ActiveRecord::Base.configurations[Rails.env]["database"]
      end

      test "db:migrate and db:migrate:status with database_url" do
        require "#{app_path}/config/environment"
        set_database_url
        db_migrate_and_status database_url_db_name
      end

      def db_schema_dump
        Dir.chdir(app_path) do
          `bin/rails generate model book title:string;
           bin/rails db:migrate db:schema:dump`
          schema_dump = File.read("db/schema.rb")
          assert_match(/create_table \"books\"/, schema_dump)
        end
      end

      test "db:schema:dump without database_url" do
        db_schema_dump
      end

      test "db:schema:dump with database_url" do
        set_database_url
        db_schema_dump
      end

      def db_fixtures_load(expected_database)
        Dir.chdir(app_path) do
          `bin/rails generate model book title:string;
           bin/rails db:migrate db:fixtures:load`
          assert_match expected_database, ActiveRecord::Base.connection_config[:database]
          require "#{app_path}/app/models/book"
          assert_equal 2, Book.count
        end
      end

      test "db:fixtures:load without database_url" do
        require "#{app_path}/config/environment"
        db_fixtures_load ActiveRecord::Base.configurations[Rails.env]["database"]
      end

      test "db:fixtures:load with database_url" do
        require "#{app_path}/config/environment"
        set_database_url
        db_fixtures_load database_url_db_name
      end

      test "db:fixtures:load with namespaced fixture" do
        require "#{app_path}/config/environment"
        Dir.chdir(app_path) do
          `bin/rails generate model admin::book title:string;
           bin/rails db:migrate db:fixtures:load`
          require "#{app_path}/app/models/admin/book"
          assert_equal 2, Admin::Book.count
        end
      end

      def db_structure_dump_and_load(expected_database)
        Dir.chdir(app_path) do
          `bin/rails generate model book title:string;
           bin/rails db:migrate db:structure:dump`
          structure_dump = File.read("db/structure.sql")
          assert_match(/CREATE TABLE (?:IF NOT EXISTS )?\"books\"/, structure_dump)
          `bin/rails environment db:drop db:structure:load`
          assert_match expected_database, ActiveRecord::Base.connection_config[:database]
          require "#{app_path}/app/models/book"
          #if structure is not loaded correctly, exception would be raised
          assert_equal 0, Book.count
        end
      end

      test "db:structure:dump and db:structure:load without database_url" do
        require "#{app_path}/config/environment"
        db_structure_dump_and_load ActiveRecord::Base.configurations[Rails.env]["database"]
      end

      test "db:structure:dump and db:structure:load with database_url" do
        require "#{app_path}/config/environment"
        set_database_url
        db_structure_dump_and_load database_url_db_name
      end

      test "db:structure:dump does not dump schema information when no migrations are used" do
        Dir.chdir(app_path) do
          # create table without migrations
          `bin/rails runner 'ActiveRecord::Base.connection.create_table(:posts) {|t| t.string :title }'`

          stderr_output = capture(:stderr) { `bin/rails db:structure:dump` }
          assert_empty stderr_output
          structure_dump = File.read("db/structure.sql")
          assert_match(/CREATE TABLE (?:IF NOT EXISTS )?\"posts\"/, structure_dump)
        end
      end

      test "db:schema:load and db:structure:load do not purge the existing database" do
        Dir.chdir(app_path) do
          `bin/rails runner 'ActiveRecord::Base.connection.create_table(:posts) {|t| t.string :title }'`

          app_file "db/schema.rb", <<-RUBY
            ActiveRecord::Schema.define(version: 20140423102712) do
              create_table(:comments) {}
            end
          RUBY

          list_tables = lambda { `bin/rails runner 'p ActiveRecord::Base.connection.tables'`.strip }

          assert_equal '["posts"]', list_tables[]
          `bin/rails db:schema:load`
          assert_equal '["posts", "comments", "schema_migrations", "ar_internal_metadata"]', list_tables[]

          app_file "db/structure.sql", <<-SQL
            CREATE TABLE "users" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "name" varchar(255));
          SQL

          `bin/rails db:structure:load`
          assert_equal '["posts", "comments", "schema_migrations", "ar_internal_metadata", "users"]', list_tables[]
        end
      end

      test "db:schema:load with inflections" do
        Dir.chdir(app_path) do
          app_file "config/initializers/inflection.rb", <<-RUBY
            ActiveSupport::Inflector.inflections do |inflect|
              inflect.irregular 'goose', 'geese'
            end
          RUBY
          app_file "config/initializers/primary_key_table_name.rb", <<-RUBY
            ActiveRecord::Base.primary_key_prefix_type = :table_name
          RUBY
          app_file "db/schema.rb", <<-RUBY
            ActiveRecord::Schema.define(version: 20140423102712) do
              create_table("goose".pluralize) do |t|
                t.string :name
              end
            end
          RUBY

          `bin/rails db:schema:load`

          tables = `bin/rails runner 'p ActiveRecord::Base.connection.tables'`.strip
          assert_match(/"geese"/, tables)

          columns = `bin/rails runner 'p ActiveRecord::Base.connection.columns("geese").map(&:name)'`.strip
          assert_equal columns, '["gooseid", "name"]'
        end
      end

      def db_test_load_structure
        Dir.chdir(app_path) do
          `bin/rails generate model book title:string;
           bin/rails db:migrate db:structure:dump db:test:load_structure`
          ActiveRecord::Base.configurations = Rails.application.config.database_configuration
          ActiveRecord::Base.establish_connection :test
          require "#{app_path}/app/models/book"
          #if structure is not loaded correctly, exception would be raised
          assert_equal 0, Book.count
          assert_match ActiveRecord::Base.configurations["test"]["database"],
            ActiveRecord::Base.connection_config[:database]
        end
      end

      test "db:test:load_structure without database_url" do
        require "#{app_path}/config/environment"
        db_test_load_structure
      end

      test "db:setup loads schema and seeds database" do
        begin
          @old_rails_env = ENV["RAILS_ENV"]
          @old_rack_env = ENV["RACK_ENV"]
          ENV.delete "RAILS_ENV"
          ENV.delete "RACK_ENV"

          app_file "db/schema.rb", <<-RUBY
            ActiveRecord::Schema.define(version: "1") do
              create_table :users do |t|
                t.string :name
              end
            end
          RUBY

          app_file "db/seeds.rb", <<-RUBY
            puts ActiveRecord::Base.connection_config[:database]
          RUBY

          Dir.chdir(app_path) do
            database_path = `bin/rails db:setup`
            assert_equal "development.sqlite3", File.basename(database_path.strip)
          end
        ensure
          ENV["RAILS_ENV"] = @old_rails_env
          ENV["RACK_ENV"] = @old_rack_env
        end
      end
    end
  end
end