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Diffstat (limited to 'spec/attributes/boolean_spec.rb')
| -rw-r--r-- | spec/attributes/boolean_spec.rb | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/spec/attributes/boolean_spec.rb b/spec/attributes/boolean_spec.rb new file mode 100644 index 0000000000..bb7eeb886d --- /dev/null +++ b/spec/attributes/boolean_spec.rb @@ -0,0 +1,57 @@ +require 'spec_helper' + +module Arel + describe "Attributes::Boolean" do + + before :all do + @relation = Model.build do |r| + r.engine Testing::Engine.new + r.attribute :awesome, Attributes::Boolean + end + end + + def type_cast(val) + @relation[:awesome].type_cast(val) + end + + describe "#type_cast" do + it "returns same value if passed a boolean" do + val = true + type_cast(val).should eql(val) + end + + it "returns boolean representation (false) of nil" do + type_cast(nil).should eql(false) + end + + it "returns boolean representation of 'true', 'false'" do + type_cast('true').should eql(true) + type_cast('false').should eql(false) + end + + it "returns boolean representation of :true, :false" do + type_cast(:true).should eql(true) + type_cast(:false).should eql(false) + end + + it "returns boolean representation of 0, 1" do + type_cast(1).should == true + type_cast(0).should == false + end + + it "calls #to_s on arbitrary objects" do + obj = Object.new + obj.extend Module.new { def to_s ; 'true' ; end } + type_cast(obj).should == true + end + + [ Object.new, 'string', '00.0', 5 ].each do |value| + it "raises exception when attempting type_cast of non-boolean value #{value.inspect}" do + lambda do + type_cast(value) + end.should raise_error(TypecastError, /could not typecast/) + end + end + end + end +end
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