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Diffstat (limited to 'spec/ruby/core/kernel/raise_spec.rb')
| -rw-r--r-- | spec/ruby/core/kernel/raise_spec.rb | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/spec/ruby/core/kernel/raise_spec.rb b/spec/ruby/core/kernel/raise_spec.rb new file mode 100644 index 0000000000..6162677e17 --- /dev/null +++ b/spec/ruby/core/kernel/raise_spec.rb @@ -0,0 +1,222 @@ +require_relative '../../spec_helper' +require_relative 'fixtures/classes' +require_relative '../../shared/kernel/raise' + +describe "Kernel#raise" do + it "is a private method" do + Kernel.private_instance_methods.should.include?(:raise) + end + + # Shared specs expect a public #raise method. + public_raiser = Object.new + class << public_raiser + public :raise + end + it_behaves_like :kernel_raise, :raise, public_raiser + it_behaves_like :kernel_raise_with_cause, :raise, public_raiser +end + +describe "Kernel#raise with previously rescued exception" do + it "re-raises the previously rescued exception if no exception is specified" do + ScratchPad.record nil + + -> do + begin + raise Exception, "outer" + ScratchPad.record :no_abort + rescue Exception + begin + raise StandardError, "inner" + rescue StandardError + end + + raise + ScratchPad.record :no_reraise + end + end.should.raise(Exception, "outer") + + ScratchPad.recorded.should == nil + end + + it "re-raises a previously rescued exception without overwriting the cause" do + begin + begin + begin + begin + raise "Error 1" + rescue => e1 + raise "Error 2" + end + rescue => e2 + raise "Error 3" + end + rescue + e2.cause.should == e1 + raise e2 + end + rescue => e + e.cause.should == e1 + end + end + + it "re-raises a previously rescued exception with overwriting the cause when it's explicitly specified with :cause option" do + e4 = RuntimeError.new("Error 4") + + begin + begin + begin + begin + raise "Error 1" + rescue => e1 + raise "Error 2" + end + rescue => e2 + raise "Error 3" + end + rescue + e2.cause.should == e1 + raise e2, cause: e4 + end + rescue => e + e.cause.should == e4 + end + end + + it "re-raises a previously rescued exception without overwriting the cause when it's explicitly specified with :cause option and has nil value" do + begin + begin + begin + begin + raise "Error 1" + rescue => e1 + raise "Error 2" + end + rescue => e2 + raise "Error 3" + end + rescue + e2.cause.should == e1 + raise e2, cause: nil + end + rescue => e + e.cause.should == e1 + end + end + + it "re-raises a previously rescued exception without setting a cause implicitly" do + begin + begin + raise "Error 1" + rescue => e1 + raise + end + rescue => e + e.should == e1 + e.cause.should == nil + end + end + + it "re-raises a previously rescued exception that has a cause without setting a cause implicitly" do + begin + begin + raise "Error 1" + rescue => e1 + begin + raise "Error 2" + rescue => e2 + raise + end + end + rescue => e + e.should == e2 + e.cause.should == e1 + end + end + + it "re-raises a previously rescued exception that doesn't have a cause and isn't a cause of any other exception with setting a cause implicitly" do + begin + begin + raise "Error 1" + rescue => e1 + begin + raise "Error 2" + rescue => e2 + raise "Error 3" + end + end + rescue => e + e.message.should == "Error 3" + e.cause.should == e2 + end + end + + it "re-raises a previously rescued exception that doesn't have a cause and is a cause of other exception without setting a cause implicitly" do + begin + begin + raise "Error 1" + rescue => e1 + begin + raise "Error 2" + rescue => e2 + e1.cause.should == nil + e2.cause.should == e1 + raise e1 + end + end + rescue => e + e.should == e1 + e.cause.should == nil + end + end + + it "re-raises a previously rescued exception that doesn't have a cause and is a cause of other exception (that wasn't raised explicitly) without setting a cause implicitly" do + begin + begin + raise "Error 1" + rescue => e1 + begin + foo # raises NameError + rescue => e2 + e1.cause.should == nil + e2.cause.should == e1 + raise e1 + end + end + rescue => e + e.should == e1 + e.cause.should == nil + end + end + + it "re-raises a previously rescued exception that has a cause but isn't a cause of any other exception without setting a cause implicitly" do + begin + begin + raise "Error 1" + rescue => e1 + begin + raise "Error 2" + rescue => e2 + begin + raise "Error 3", cause: RuntimeError.new("Error 4") + rescue => e3 + e2.cause.should == e1 + e3.cause.should_not == e2 + raise e2 + end + end + end + rescue => e + e.should == e2 + e.cause.should == e1 + end + end +end + +describe "Kernel.raise" do + it "is a public method" do + Kernel.singleton_class.should.public_method_defined?(:raise) + end + + it_behaves_like :kernel_raise, :raise, Kernel + it_behaves_like :kernel_raise_with_cause, :raise, Kernel +end |