aboutsummaryrefslogtreecommitdiffstats
path: root/activerecord/test/cases/relation/where_test.rb
blob: ed8ffddcf5878f8c5c4d2dd82b63717f4f13d094 (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
313
314
315
316
317
318
319
320
321
322
require "cases/helper"
require "models/author"
require "models/binary"
require "models/cake_designer"
require "models/car"
require "models/chef"
require "models/post"
require "models/comment"
require "models/edge"
require "models/essay"
require "models/price_estimate"
require "models/topic"
require "models/treasure"
require "models/vertex"

module ActiveRecord
  class WhereTest < ActiveRecord::TestCase
    fixtures :posts, :edges, :authors, :binaries, :essays, :cars, :treasures, :price_estimates

    def test_where_copies_bind_params
      author = authors(:david)
      posts  = author.posts.where("posts.id != 1")
      joined = Post.where(id: posts)

      assert_operator joined.length, :>, 0

      joined.each { |post|
        assert_equal author, post.author
        assert_not_equal 1, post.id
      }
    end

    def test_where_copies_bind_params_in_the_right_order
      author = authors(:david)
      posts = author.posts.where.not(id: 1)
      joined = Post.where(id: posts, title: posts.first.title)

      assert_equal joined, [posts.first]
    end

    def test_where_copies_arel_bind_params
      chef = Chef.create!
      CakeDesigner.create!(chef: chef)

      cake_designers = CakeDesigner.joins(:chef).where(chefs: { id: chef.id })
      chefs = Chef.where(employable: cake_designers)

      assert_equal [chef], chefs.to_a
    end

    def test_rewhere_on_root
      assert_equal posts(:welcome), Post.rewhere(title: "Welcome to the weblog").first
    end

    def test_belongs_to_shallow_where
      author = Author.new
      author.id = 1

      assert_equal Post.where(author_id: 1).to_sql, Post.where(author: author).to_sql
    end

    def test_belongs_to_nil_where
      assert_equal Post.where(author_id: nil).to_sql, Post.where(author: nil).to_sql
    end

    def test_belongs_to_array_value_where
      assert_equal Post.where(author_id: [1, 2]).to_sql, Post.where(author: [1, 2]).to_sql
    end

    def test_belongs_to_nested_relation_where
      expected = Post.where(author_id: Author.where(id: [1, 2])).to_sql
      actual   = Post.where(author:    Author.where(id: [1, 2])).to_sql

      assert_equal expected, actual
    end

    def test_belongs_to_nested_where
      parent = Comment.new
      parent.id = 1

      expected = Post.where(comments: { parent_id: 1 }).joins(:comments)
      actual   = Post.where(comments: { parent: parent }).joins(:comments)

      assert_equal expected.to_sql, actual.to_sql
    end

    def test_belongs_to_nested_where_with_relation
      author = authors(:david)

      expected = Author.where(id: author).joins(:posts)
      actual   = Author.where(posts: { author_id: Author.where(id: author.id) }).joins(:posts)

      assert_equal expected.to_a, actual.to_a
    end

    def test_polymorphic_shallow_where
      treasure = Treasure.new
      treasure.id = 1

      expected = PriceEstimate.where(estimate_of_type: "Treasure", estimate_of_id: 1)
      actual   = PriceEstimate.where(estimate_of: treasure)

      assert_equal expected.to_sql, actual.to_sql
    end

    def test_polymorphic_nested_array_where
      treasure = Treasure.new
      treasure.id = 1
      hidden = HiddenTreasure.new
      hidden.id = 2

      expected = PriceEstimate.where(estimate_of_type: "Treasure", estimate_of_id: [treasure, hidden])
      actual   = PriceEstimate.where(estimate_of: [treasure, hidden])

      assert_equal expected.to_sql, actual.to_sql
    end

    def test_polymorphic_array_where_multiple_types
      treasure_1 = treasures(:diamond)
      treasure_2 = treasures(:sapphire)
      car = cars(:honda)

      expected = [price_estimates(:diamond), price_estimates(:sapphire_1), price_estimates(:sapphire_2), price_estimates(:honda)].sort
      actual   = PriceEstimate.where(estimate_of: [treasure_1, treasure_2, car]).to_a.sort

      assert_equal expected, actual
    end

    def test_polymorphic_nested_relation_where
      expected = PriceEstimate.where(estimate_of_type: "Treasure", estimate_of_id: Treasure.where(id: [1, 2]))
      actual   = PriceEstimate.where(estimate_of: Treasure.where(id: [1, 2]))

      assert_equal expected.to_sql, actual.to_sql
    end

    def test_polymorphic_sti_shallow_where
      treasure = HiddenTreasure.new
      treasure.id = 1

      expected = PriceEstimate.where(estimate_of_type: "Treasure", estimate_of_id: 1)
      actual   = PriceEstimate.where(estimate_of: treasure)

      assert_equal expected.to_sql, actual.to_sql
    end

    def test_polymorphic_nested_where
      thing = Post.new
      thing.id = 1

      expected = Treasure.where(price_estimates: { thing_type: "Post", thing_id: 1 }).joins(:price_estimates)
      actual   = Treasure.where(price_estimates: { thing: thing }).joins(:price_estimates)

      assert_equal expected.to_sql, actual.to_sql
    end

    def test_polymorphic_sti_nested_where
      treasure = HiddenTreasure.new
      treasure.id = 1

      expected = Treasure.where(price_estimates: { estimate_of_type: "Treasure", estimate_of_id: 1 }).joins(:price_estimates)
      actual   = Treasure.where(price_estimates: { estimate_of: treasure }).joins(:price_estimates)

      assert_equal expected.to_sql, actual.to_sql
    end

    def test_decorated_polymorphic_where
      treasure_decorator = Struct.new(:model) do
        def self.method_missing(method, *args, &block)
          Treasure.send(method, *args, &block)
        end

        def is_a?(klass)
          model.is_a?(klass)
        end

        def method_missing(method, *args, &block)
          model.send(method, *args, &block)
        end
      end

      treasure = Treasure.new
      treasure.id = 1
      decorated_treasure = treasure_decorator.new(treasure)

      expected = PriceEstimate.where(estimate_of_type: "Treasure", estimate_of_id: 1)
      actual   = PriceEstimate.where(estimate_of: decorated_treasure)

      assert_equal expected.to_sql, actual.to_sql
    end

    def test_aliased_attribute
      expected = Topic.where(heading: "The First Topic")
      actual   = Topic.where(title: "The First Topic")

      assert_equal expected.to_sql, actual.to_sql
    end

    def test_where_error
      assert_nothing_raised do
        Post.where(id: { "posts.author_id" => 10 }).first
      end
    end

    def test_where_with_table_name
      post = Post.first
      assert_equal post, Post.where(posts: { "id" => post.id }).first
    end

    def test_where_with_table_name_and_empty_hash
      assert_equal 0, Post.where(posts: {}).count
    end

    def test_where_with_table_name_and_empty_array
      assert_equal 0, Post.where(id: []).count
    end

    def test_where_with_empty_hash_and_no_foreign_key
      assert_equal 0, Edge.where(sink: {}).count
    end

    def test_where_with_blank_conditions
      [[], {}, nil, ""].each do |blank|
        assert_equal 4, Edge.where(blank).order("sink_id").to_a.size
      end
    end

    def test_where_with_integer_for_string_column
      count = Post.where(title: 0).count
      assert_equal 0, count
    end

    def test_where_with_float_for_string_column
      count = Post.where(title: 0.0).count
      assert_equal 0, count
    end

    def test_where_with_boolean_for_string_column
      count = Post.where(title: false).count
      assert_equal 0, count
    end

    def test_where_with_decimal_for_string_column
      count = Post.where(title: BigDecimal.new(0)).count
      assert_equal 0, count
    end

    def test_where_with_duration_for_string_column
      count = Post.where(title: 0.seconds).count
      assert_equal 0, count
    end

    def test_where_with_integer_for_binary_column
      count = Binary.where(data: 0).count
      assert_equal 0, count
    end

    def test_where_on_association_with_custom_primary_key
      author = authors(:david)
      essay = Essay.where(writer: author).first

      assert_equal essays(:david_modest_proposal), essay
    end

    def test_where_on_association_with_custom_primary_key_with_relation
      author = authors(:david)
      essay = Essay.where(writer: Author.where(id: author.id)).first

      assert_equal essays(:david_modest_proposal), essay
    end

    def test_where_on_association_with_relation_performs_subselect_not_two_queries
      author = authors(:david)

      assert_queries(1) do
        Essay.where(writer: Author.where(id: author.id)).to_a
      end
    end

    def test_where_on_association_with_custom_primary_key_with_array_of_base
      author = authors(:david)
      essay = Essay.where(writer: [author]).first

      assert_equal essays(:david_modest_proposal), essay
    end

    def test_where_on_association_with_custom_primary_key_with_array_of_ids
      essay = Essay.where(writer: ["David"]).first

      assert_equal essays(:david_modest_proposal), essay
    end

    def test_where_with_strong_parameters
      protected_params = Class.new do
        attr_reader :permitted
        alias :permitted? :permitted

        def initialize(parameters)
          @parameters = parameters
          @permitted = false
        end

        def to_h
          @parameters
        end

        def permit!
          @permitted = true
          self
        end
      end

      author = authors(:david)
      params = protected_params.new(name: author.name)
      assert_raises(ActiveModel::ForbiddenAttributesError) { Author.where(params) }
      assert_equal author, Author.where(params.permit!).first
    end

    def test_where_with_unsupported_arguments
      assert_raises(ArgumentError) { Author.where(42) }
    end
  end
end