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Relation.where with no args can be chained with not, like, and not_like
examples: Model.where.not field: nil #=> "SELECT * FROM models WHERE field IS NOT NULL Model.where.like name: 'Jeremy%' #=> "SELECT * FROM models WHERE name LIKE 'Jeremy%' this feature was originally suggested by Jeremy Kemper #5950 (comment) Closes #5950
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Original file line number | Diff line number | Diff line change |
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require 'cases/helper' | ||
require 'models/post' | ||
require 'models/comment' | ||
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module ActiveRecord | ||
class WhereChainTest < ActiveRecord::TestCase | ||
fixtures :posts | ||
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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 | ||
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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 | ||
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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 | ||
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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 | ||
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def test_not_eq_with_preceding_where | ||
relation = Post.where(title: 'hello').where.not(title: 'world') | ||
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expected = Arel::Nodes::Equality.new(Post.arel_table[:title], 'hello') | ||
assert_equal(expected, relation.where_values.first) | ||
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expected = Arel::Nodes::NotEqual.new(Post.arel_table[:title], 'world') | ||
assert_equal(expected, relation.where_values.last) | ||
end | ||
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def test_not_eq_with_succeeding_where | ||
relation = Post.where.not(title: 'hello').where(title: 'world') | ||
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expected = Arel::Nodes::NotEqual.new(Post.arel_table[:title], 'hello') | ||
assert_equal(expected, relation.where_values.first) | ||
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expected = Arel::Nodes::Equality.new(Post.arel_table[:title], 'world') | ||
assert_equal(expected, relation.where_values.last) | ||
end | ||
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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 | ||
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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 | ||
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def test_chaining_multiple | ||
relation = Post.where.like(title: 'ruby on %').where.not(title: 'ruby on rails').where.not_like(title: '% ales') | ||
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expected = Arel::Nodes::Matches.new(Post.arel_table[:title], 'ruby on %') | ||
assert_equal(expected, relation.where_values[0]) | ||
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expected = Arel::Nodes::NotEqual.new(Post.arel_table[:title], 'ruby on rails') | ||
assert_equal(expected, relation.where_values[1]) | ||
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expected = Arel::Nodes::DoesNotMatch.new(Post.arel_table[:title], '% ales') | ||
assert_equal(expected, relation.where_values[2]) | ||
end | ||
end | ||
end |
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