options_spec.rb in rspec-1.1.0

- old
+ new
@@ -1,175 +1,294 @@
 require File.dirname(__FILE__) + '/../../spec_helper.rb'
 
 module Spec
   module Runner
     describe Options do
-      before do
+      before(:each) do
         @err = StringIO.new('')
         @out = StringIO.new('')
         @options = Options.new(@err, @out)
       end
 
-      it "instantiates empty arrays" do
-        @options.examples.should == []
-        @options.formatters.should == []
+      after(:each) do
+        Spec::Expectations.differ = nil
       end
 
-      it "defaults to QuietBacktraceTweaker" do
-        @options.backtrace_tweaker.class.should == QuietBacktraceTweaker
+      describe "#examples" do
+        it "should default to empty array" do
+          @options.examples.should == []
+        end
       end
 
-      it "defaults to no dry_run" do
-        @options.dry_run.should == false
+      describe "#backtrace_tweaker" do
+        it "should default to QuietBacktraceTweaker" do
+          @options.backtrace_tweaker.class.should == QuietBacktraceTweaker
+        end
       end
 
-      it "parse_diff sets context_lines" do
-        @options.parse_diff nil
-        @options.context_lines.should == 3
+      describe "#dry_run" do
+        it "should default to false" do
+          @options.dry_run.should == false
+        end
       end
 
-      it "defaults diff to unified" do
-        @options.parse_diff nil
-        @options.diff_format.should == :unified
+      describe "#context_lines" do
+        it "should default to 3" do
+          @options.context_lines.should == 3
+        end
       end
 
-      it "should use unified diff format option when format is unified" do
-        @options.parse_diff 'unified'
-        @options.diff_format.should == :unified
-        @options.differ_class.should equal(Spec::Expectations::Differs::Default)
-      end
+      describe "#parse_diff with nil" do
+        before(:each) do
+          @options.parse_diff nil
+        end
 
-      it "should use context diff format option when format is context" do
-        @options.parse_diff 'context'
-        @options.diff_format.should == :context
-        @options.differ_class.should == Spec::Expectations::Differs::Default
-      end
+        it "should make diff_format unified" do
+          @options.diff_format.should == :unified
+        end
 
-      it "should use custom diff format option when format is a custom format" do
-        @options.parse_diff "Custom::Formatter"
-        @options.diff_format.should == :custom
-        @options.differ_class.should == Custom::Formatter
+        it "should set Spec::Expectations.differ to be a default differ" do
+          Spec::Expectations.differ.class.should ==
+            ::Spec::Expectations::Differs::Default
+        end
       end
 
-      it "should print instructions about how to fix missing differ" do
-        lambda { @options.parse_diff "Custom::MissingDiffer" }.should raise_error(NameError)
-        @err.string.should match(/Couldn't find differ class Custom::MissingDiffer/n)
-      end      
+      describe "#parse_diff with 'unified'" do
+        before(:each) do
+          @options.parse_diff 'unified'
+        end
 
-      it "should print instructions about how to fix bad formatter" do
-        lambda do
-          @options.parse_format "Custom::BadFormatter"
-        end.should raise_error(NameError, /undefined local variable or method `bad_method'/)
-      end      
+        it "should make diff_format unified and uses default differ_class" do
+          @options.diff_format.should == :unified
+          @options.differ_class.should equal(Spec::Expectations::Differs::Default)
+        end
 
-      it "parse_example sets single example when argument not a file" do
-        example = "something or other"
-        File.file?(example).should == false
-        @options.parse_example example
-        @options.examples.should eql(["something or other"])
+        it "should set Spec::Expectations.differ to be a default differ" do
+          Spec::Expectations.differ.class.should ==
+            ::Spec::Expectations::Differs::Default
+        end
       end
 
-      it "parse_example sets examples to contents of file" do
-        example = "#{File.dirname(__FILE__)}/examples.txt"
-        File.should_receive(:file?).with(example).and_return(true)
-        file = StringIO.new("Sir, if you were my husband, I would poison your drink.\nMadam, if you were my wife, I would drink it.")
-        File.should_receive(:open).with(example).and_return(file)
-        
-        @options.parse_example example
-        @options.examples.should eql([
-          "Sir, if you were my husband, I would poison your drink.",
-          "Madam, if you were my wife, I would drink it."
-        ])
-      end
-    end
+      describe "#parse_diff with 'context'" do
+        before(:each) do
+          @options.parse_diff 'context'
+        end
 
-    describe Options, "splitting class names and args" do
-      before do
-        @err = StringIO.new('')
-        @out = StringIO.new('')
-        @options = Options.new(@err, @out)
-      end
-      
-      it "should split class names with args" do
-        @options.split_at_colon('Foo').should == ['Foo', nil]
-        @options.split_at_colon('Foo:arg').should == ['Foo', 'arg']
-        @options.split_at_colon('Foo::Bar::Zap:arg').should == ['Foo::Bar::Zap', 'arg']
-        @options.split_at_colon('Foo:arg1,arg2').should == ['Foo', 'arg1,arg2']
-        @options.split_at_colon('Foo::Bar::Zap:arg1,arg2').should == ['Foo::Bar::Zap', 'arg1,arg2']
-        @options.split_at_colon('Foo::Bar::Zap:drb://foo,drb://bar').should == ['Foo::Bar::Zap', 'drb://foo,drb://bar']
-      end
+        it "should make diff_format context and uses default differ_class" do
+          @options.diff_format.should == :context
+          @options.differ_class.should == Spec::Expectations::Differs::Default
+        end
 
-      it "should raise error when splitting something starting with a number" do
-        lambda { @options.split_at_colon('') }.should raise_error("Couldn't parse \"\"")
+        it "should set Spec::Expectations.differ to be a default differ" do
+          Spec::Expectations.differ.class.should ==
+            ::Spec::Expectations::Differs::Default
+        end
       end
 
-      it "should raise error when not class name" do
-        lambda do
-          @options.load_class('foo', 'fruit', '--food')
-        end.should raise_error('"foo" is not a valid class name')
+      describe "#parse_diff with Custom::Differ" do
+        before(:each) do
+          @options.parse_diff 'Custom::Differ'
+        end
+
+        it "should use custom differ_class" do
+          @options.diff_format.should == :custom
+          @options.differ_class.should == Custom::Differ
+          Spec::Expectations.differ.should be_instance_of(Custom::Differ)
+        end
+
+        it "should set Spec::Expectations.differ to be a default differ" do
+          Spec::Expectations.differ.class.should ==
+            ::Custom::Differ
+        end
       end
-    end
 
-    describe Options, "receiving create_behaviour_runner" do
-      before do
-        @err = StringIO.new
-        @out = StringIO.new
-        @options = Options.new(@err, @out)
+      describe "#parse_diff with missing class name" do
+        it "should raise error" do
+          lambda { @options.parse_diff "Custom::MissingDiffer" }.should raise_error(NameError)
+          @err.string.should match(/Couldn't find differ class Custom::MissingDiffer/n)
+        end
       end
 
-      it "should fail when custom runner not found" do
-        @options.runner_arg = "Whatever"
-        lambda { @options.create_behaviour_runner }.should raise_error(NameError)
-        @err.string.should match(/Couldn't find behaviour runner class/)
+      describe "#parse_example" do
+        it "with argument thats not a file path, sets argument as the example" do
+          example = "something or other"
+          File.file?(example).should == false
+          @options.parse_example example
+          @options.examples.should eql(["something or other"])
+        end
+
+        it "with argument that is a file path, sets examples to contents of the file" do
+          example = "#{File.dirname(__FILE__)}/examples.txt"
+          File.should_receive(:file?).with(example).and_return(true)
+          file = StringIO.new("Sir, if you were my husband, I would poison your drink.\nMadam, if you were my wife, I would drink it.")
+          File.should_receive(:open).with(example).and_return(file)
+
+          @options.parse_example example
+          @options.examples.should eql([
+            "Sir, if you were my husband, I would poison your drink.",
+              "Madam, if you were my wife, I would drink it."
+          ])
+        end
       end
 
-      it "should fail when custom runner not valid class name" do
-        @options.runner_arg = "whatever"
-        lambda { @options.create_behaviour_runner }.should raise_error('"whatever" is not a valid class name')
-        @err.string.should match(/"whatever" is not a valid class name/)
+      describe "#examples_should_not_be_run" do
+        it "should cause #run_examples to return true and do nothing" do
+          @options.examples_should_not_be_run
+          ExampleGroupRunner.should_not_receive(:new)
+
+          @options.run_examples.should be_true
+        end
       end
 
-      it "returns nil when generate is true" do
-        @options.generate = true
-        @options.create_behaviour_runner.should == nil
+      describe "#load_class" do
+        it "should raise error when not class name" do
+          lambda do
+            @options.send(:load_class, 'foo', 'fruit', '--food')
+          end.should raise_error('"foo" is not a valid class name')
+        end
       end
 
-      it "returns a BehaviourRunner by default" do
-        runner = @options.create_behaviour_runner
-        runner.class.should == BehaviourRunner
+      describe "#reporter" do
+        it "returns a Reporter" do
+          @options.reporter.should be_instance_of(Reporter)
+          @options.reporter.options.should === @options
+        end
       end
 
-      it "does not set Expectations differ when differ_class is not set" do
-        @options.differ_class = nil
-        Spec::Expectations.should_not_receive(:differ=)
-        @options.create_behaviour_runner
+      describe "#add_example_group affecting passed in example_group" do
+        it "runs all examples when options.examples is nil" do
+          example_1_has_run = false
+          example_2_has_run = false
+          @example_group = Class.new(::Spec::Example::ExampleGroup).describe("Some Examples") do
+            it "runs 1" do
+              example_1_has_run = true
+            end
+            it "runs 2" do
+              example_2_has_run = true
+            end
+          end
+
+          @options.examples = nil
+
+          @options.add_example_group @example_group
+          @options.run_examples
+          example_1_has_run.should be_true
+          example_2_has_run.should be_true
+        end
+
+        it "keeps all example_definitions when options.examples is empty" do
+          example_1_has_run = false
+          example_2_has_run = false
+          @example_group = Class.new(::Spec::Example::ExampleGroup).describe("Some Examples") do
+            it "runs 1" do
+              example_1_has_run = true
+            end
+            it "runs 2" do
+              example_2_has_run = true
+            end
+          end
+
+          @options.examples = []
+
+          @options.add_example_group @example_group
+          @options.run_examples
+          example_1_has_run.should be_true
+          example_2_has_run.should be_true
+        end
       end
 
-      it "sets Expectations differ when differ_class is set" do
-        @options.differ_class = Spec::Expectations::Differs::Default
-        Spec::Expectations.should_receive(:differ=).with(anything()).and_return do |arg|
-          arg.class.should == Spec::Expectations::Differs::Default
+      describe "#add_example_group affecting example_group" do
+        it "adds example_group when example_group has example_definitions and is not shared" do
+          @example_group = Class.new(::Spec::Example::ExampleGroup).describe("Some Examples") do
+            it "uses this example_group" do
+            end
+          end
+
+          @options.number_of_examples.should == 0
+          @options.add_example_group @example_group
+          @options.number_of_examples.should == 1
+          @options.example_groups.length.should == 1
         end
-        @options.configure
       end
 
-      it "creates a Reporter" do
-        formatter = ::Spec::Runner::Formatter::BaseFormatter.new(:somewhere)
-        @options.formatters << formatter
-        reporter = Reporter.new(@formatters, @backtrace_tweaker)
-        Reporter.should_receive(:new).with(@options.formatters, @options.backtrace_tweaker).and_return(reporter)
-        @options.configure
-        @options.reporter.should === reporter
+      describe "#remove_example_group" do
+        it "should remove the ExampleGroup from the list of ExampleGroups" do
+          @example_group = Class.new(::Spec::Example::ExampleGroup).describe("Some Examples") do
+          end
+          @options.add_example_group @example_group
+          @options.example_groups.should include(@example_group)
+
+          @options.remove_example_group @example_group
+          @options.example_groups.should_not include(@example_group)
+        end
       end
 
-      it "sets colour and dry_run on the formatters" do
-        @options.colour = true
-        @options.dry_run = true
-        formatter = ::Spec::Runner::Formatter::BaseTextFormatter.new(:somewhere)
-        formatter.should_receive(:colour=).with(true)
-        formatter.should_receive(:dry_run=).with(true)
-        @options.formatters << formatter
-        @options.configure
+      describe "#run_examples" do
+        it "should use the standard runner by default" do
+          runner = ::Spec::Runner::ExampleGroupRunner.new(@options)
+          ::Spec::Runner::ExampleGroupRunner.should_receive(:new).
+            with(@options).
+            and_return(runner)
+          @options.user_input_for_runner = nil
+
+          @options.run_examples
+        end
+
+        it "should use a custom runner when given" do
+          runner = Custom::ExampleGroupRunner.new(@options, nil)
+          Custom::ExampleGroupRunner.should_receive(:new).
+            with(@options, nil).
+            and_return(runner)
+          @options.user_input_for_runner = "Custom::ExampleGroupRunner"
+
+          @options.run_examples
+        end
+
+        it "should use a custom runner with extra options" do
+          runner = Custom::ExampleGroupRunner.new(@options, 'something')
+          Custom::ExampleGroupRunner.should_receive(:new).
+            with(@options, 'something').
+            and_return(runner)
+          @options.user_input_for_runner = "Custom::ExampleGroupRunner:something"
+
+          @options.run_examples
+        end
+
+        describe "#run_examples when there are example_group" do
+          before(:each) do
+            @options.add_example_group Class.new(::Spec::Example::ExampleGroup)
+            @options.formatters << Formatter::BaseTextFormatter.new(@options, @out)
+          end
+
+          it "runs the Examples and outputs the result" do
+            @options.run_examples
+            @out.string.should include("0 examples, 0 failures")
+          end
+
+          it "sets #examples_run? to true" do
+            @options.examples_run?.should be_false
+            @options.run_examples
+            @options.examples_run?.should be_true
+          end
+        end
+
+        describe "#run_examples when there are no example_group" do
+          before(:each) do
+            @options.formatters << Formatter::BaseTextFormatter.new(@options, @out)
+          end
+
+          it "does not run Examples and does not output a result" do
+            @options.run_examples
+            @out.string.should_not include("examples")
+            @out.string.should_not include("failures")
+          end
+
+          it "sets #examples_run? to false" do
+            @options.examples_run?.should be_false
+            @options.run_examples
+            @options.examples_run?.should be_false
+          end
+        end
       end
     end
   end
 end