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require 'cases/helper'
require 'models/post'
require 'models/comment'
module ActiveRecord
class WhereChainTest < ActiveRecord::TestCase
fixtures :posts
def test_not_eq
expected = Arel::Nodes::NotEqual.new(Post.arel_table[:title], 'hello')
relation = Post.where.not(title: 'hello')
assert_equal([expected], relation.where_values)
end
def test_not_null
expected = Arel::Nodes::NotEqual.new(Post.arel_table[:title], nil)
relation = Post.where.not(title: nil)
assert_equal([expected], relation.where_values)
end
def test_not_in
expected = Arel::Nodes::NotEqual.new(Post.arel_table[:title], %w[hello goodbye])
relation = Post.where.not(title: %w[hello goodbye])
assert_equal([expected], relation.where_values)
end
def test_association_not_eq
expected = Arel::Nodes::NotEqual.new(Comment.arel_table[:title], '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')
expected = Arel::Nodes::Equality.new(Post.arel_table[:title], 'hello')
assert_equal(expected, relation.where_values.first)
expected = Arel::Nodes::NotEqual.new(Post.arel_table[:title], 'world')
assert_equal(expected, relation.where_values.last)
end
def test_not_eq_with_succeeding_where
relation = Post.where.not(title: 'hello').where(title: 'world')
expected = Arel::Nodes::NotEqual.new(Post.arel_table[:title], 'hello')
assert_equal(expected, relation.where_values.first)
expected = Arel::Nodes::Equality.new(Post.arel_table[:title], 'world')
assert_equal(expected, relation.where_values.last)
end
def test_like
expected = Arel::Nodes::Matches.new(Post.arel_table[:title], 'a%')
relation = Post.where.like(title: 'a%')
assert_equal([expected], relation.where_values)
end
def test_not_like
expected = Arel::Nodes::DoesNotMatch.new(Post.arel_table[:title], 'a%')
relation = Post.where.not_like(title: 'a%')
assert_equal([expected], relation.where_values)
end
def test_chaining_multiple
relation = Post.where.like(title: 'ruby on %').where.not(title: 'ruby on rails').where.not_like(title: '% ales')
expected = Arel::Nodes::Matches.new(Post.arel_table[:title], 'ruby on %')
assert_equal(expected, relation.where_values[0])
expected = Arel::Nodes::NotEqual.new(Post.arel_table[:title], 'ruby on rails')
assert_equal(expected, relation.where_values[1])
expected = Arel::Nodes::DoesNotMatch.new(Post.arel_table[:title], '% ales')
assert_equal(expected, relation.where_values[2])
end
end
end
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