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require 'cases/helper'
require 'models/post'
require 'models/comment'
module ActiveRecord
class WhereChainTest < ActiveRecord::TestCase
fixtures :posts
def setup
super
@name = 'title'
end
def test_not_eq
relation = Post.where.not(title: 'hello')
assert_equal 1, relation.where_values.length
value = relation.where_values.first
bind = relation.bind_values.first
assert_bound_ast value, Post.arel_table[@name], Arel::Nodes::NotEqual
assert_equal 'hello', bind.last
end
def test_not_null
expected = Post.arel_table[@name].not_eq(nil)
relation = Post.where.not(title: nil)
assert_equal([expected], relation.where_values)
end
def test_not_with_nil
assert_raise ArgumentError do
Post.where.not(nil)
end
end
def test_not_in
expected = Post.arel_table[@name].not_in(%w[hello goodbye])
relation = Post.where.not(title: %w[hello goodbye])
assert_equal([expected], relation.where_values)
end
def test_association_not_eq
expected = Comment.arel_table[@name].not_eq('hello')
relation = Post.joins(:comments).where.not(comments: {title: 'hello'})
assert_equal(expected.to_sql, relation.where_values.first.to_sql)
end
def test_not_eq_with_preceding_where
relation = Post.where(title: 'hello').where.not(title: 'world')
value = relation.where_values.first
bind = relation.bind_values.first
assert_bound_ast value, Post.arel_table[@name], Arel::Nodes::Equality
assert_equal 'hello', bind.last
value = relation.where_values.last
bind = relation.bind_values.last
assert_bound_ast value, Post.arel_table[@name], Arel::Nodes::NotEqual
assert_equal 'world', bind.last
end
def test_not_eq_with_succeeding_where
relation = Post.where.not(title: 'hello').where(title: 'world')
value = relation.where_values.first
bind = relation.bind_values.first
assert_bound_ast value, Post.arel_table[@name], Arel::Nodes::NotEqual
assert_equal 'hello', bind.last
value = relation.where_values.last
bind = relation.bind_values.last
assert_bound_ast value, Post.arel_table[@name], Arel::Nodes::Equality
assert_equal 'world', bind.last
end
def test_not_eq_with_string_parameter
expected = Arel::Nodes::Not.new("title = 'hello'")
relation = Post.where.not("title = 'hello'")
assert_equal([expected], relation.where_values)
end
def test_not_eq_with_array_parameter
expected = Arel::Nodes::Not.new("title = 'hello'")
relation = Post.where.not(['title = ?', 'hello'])
assert_equal([expected], relation.where_values)
end
def test_chaining_multiple
relation = Post.where.not(author_id: [1, 2]).where.not(title: 'ruby on rails')
expected = Post.arel_table['author_id'].not_in([1, 2])
assert_equal(expected, relation.where_values[0])
value = relation.where_values[1]
bind = relation.bind_values.first
assert_bound_ast value, Post.arel_table[@name], Arel::Nodes::NotEqual
assert_equal 'ruby on rails', bind.last
end
def test_rewhere_with_one_condition
relation = Post.where(title: 'hello').where(title: 'world').rewhere(title: 'alone')
assert_equal 1, relation.where_values.size
value = relation.where_values.first
bind = relation.bind_values.first
assert_bound_ast value, Post.arel_table[@name], Arel::Nodes::Equality
assert_equal 'alone', bind.last
end
def test_rewhere_with_multiple_overwriting_conditions
relation = Post.where(title: 'hello').where(body: 'world').rewhere(title: 'alone', body: 'again')
assert_equal 2, relation.where_values.size
value = relation.where_values.first
bind = relation.bind_values.first
assert_bound_ast value, Post.arel_table['title'], Arel::Nodes::Equality
assert_equal 'alone', bind.last
value = relation.where_values[1]
bind = relation.bind_values[1]
assert_bound_ast value, Post.arel_table['body'], Arel::Nodes::Equality
assert_equal 'again', bind.last
end
def assert_bound_ast value, table, type
assert_equal table, value.left
assert_kind_of type, value
assert_kind_of Arel::Nodes::BindParam, value.right
end
def test_rewhere_with_one_overwriting_condition_and_one_unrelated
relation = Post.where(title: 'hello').where(body: 'world').rewhere(title: 'alone')
assert_equal 2, relation.where_values.size
value = relation.where_values.first
bind = relation.bind_values.first
assert_bound_ast value, Post.arel_table['body'], Arel::Nodes::Equality
assert_equal 'world', bind.last
value = relation.where_values.second
bind = relation.bind_values.second
assert_bound_ast value, Post.arel_table['title'], Arel::Nodes::Equality
assert_equal 'alone', bind.last
end
end
end
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