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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
expected = Arel::Nodes::NotEqual.new(Post.arel_table[@name], '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[@name], nil)
relation = Post.where.not(title: nil)
assert_equal([expected], relation.where_values)
end
def test_not_in
expected = Arel::Nodes::NotIn.new(Post.arel_table[@name], %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[@name], '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[@name], 'hello')
assert_equal(expected, relation.where_values.first)
expected = Arel::Nodes::NotEqual.new(Post.arel_table[@name], '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[@name], 'hello')
assert_equal(expected, relation.where_values.first)
expected = Arel::Nodes::Equality.new(Post.arel_table[@name], 'world')
assert_equal(expected, relation.where_values.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 = Arel::Nodes::NotIn.new(Post.arel_table['author_id'], [1, 2])
assert_equal(expected, relation.where_values[0])
expected = Arel::Nodes::NotEqual.new(Post.arel_table[@name], 'ruby on rails')
assert_equal(expected, relation.where_values[1])
end
def test_rewhere_with_one_condition
relation = Post.where(title: 'hello').where(title: 'world').rewhere(title: 'alone')
expected = Arel::Nodes::Equality.new(Post.arel_table[@name], 'alone')
assert_equal 1, relation.where_values.size
assert_equal expected, relation.where_values.first
end
def test_rewhere_with_multiple_overwriting_conditions
relation = Post.where(title: 'hello').where(body: 'world').rewhere(title: 'alone', body: 'again')
title_expected = Arel::Nodes::Equality.new(Post.arel_table['title'], 'alone')
body_expected = Arel::Nodes::Equality.new(Post.arel_table['body'], 'again')
assert_equal 2, relation.where_values.size
assert_equal title_expected, relation.where_values.first
assert_equal body_expected, relation.where_values.second
end
def test_rewhere_with_one_overwriting_condition_and_one_unrelated
relation = Post.where(title: 'hello').where(body: 'world').rewhere(title: 'alone')
title_expected = Arel::Nodes::Equality.new(Post.arel_table['title'], 'alone')
body_expected = Arel::Nodes::Equality.new(Post.arel_table['body'], 'world')
assert_equal 2, relation.where_values.size
assert_equal body_expected, relation.where_values.first
assert_equal title_expected, relation.where_values.second
end
end
end
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