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Diffstat (limited to 'spec/arel/unit/relations/selection_spec.rb')
| -rw-r--r-- | spec/arel/unit/relations/selection_spec.rb | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/spec/arel/unit/relations/selection_spec.rb b/spec/arel/unit/relations/selection_spec.rb new file mode 100644 index 0000000000..61d9787df2 --- /dev/null +++ b/spec/arel/unit/relations/selection_spec.rb @@ -0,0 +1,43 @@ +require File.join(File.dirname(__FILE__), '..', '..', '..', 'spec_helper') + +module Arel + describe Selection do + before do + @relation = Table.new(:users) + @predicate = @relation[:id].eq(1) + end + + describe '#initialize' do + before do + @another_predicate = @relation[:name].lt(2) + end + + it "manufactures nested selection relations if multiple predicates are provided" do + Selection.new(@relation, @predicate, @another_predicate). \ + should == Selection.new(Selection.new(@relation, @another_predicate), @predicate) + end + end + + describe '#to_sql' do + describe 'when given a predicate' do + it "manufactures sql with where clause conditions" do + Selection.new(@relation, @predicate).to_sql.should be_like(" + SELECT `users`.`id`, `users`.`name` + FROM `users` + WHERE `users`.`id` = 1 + ") + end + end + + describe 'when given a string' do + it "passes the string through to the where clause" do + Selection.new(@relation, 'asdf').to_sql.should be_like(" + SELECT `users`.`id`, `users`.`name` + FROM `users` + WHERE asdf + ") + end + end + end + end +end
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