Allow Rake task to accept multiple profiles. (#907)

Fixes #905

lib/cucumber/rake/task.rb

@@ -153,7 +153,7 @@ def runner(task_args = nil) #:nodoc:
       end
 
       def cucumber_opts_with_profile #:nodoc:
-        @profile ? [cucumber_opts, '--profile', @profile] : cucumber_opts
+        Array(cucumber_opts).concat Array(@profile).flat_map {|p| ["--profile", p] }
       end
 
       def feature_files #:nodoc:

spec/cucumber/rake/task_spec.rb

@@ -0,0 +1,85 @@
+require 'spec_helper'
+require 'cucumber/rake/task'
+require 'rake'
+
+module Cucumber
+  module Rake
+    describe Task do
+
+      describe "#cucumber_opts" do
+        before { subject.cucumber_opts = opts }
+
+        context "when set via array" do
+          let(:opts) { %w[ foo bar ] }
+          it { expect(subject.cucumber_opts).to be opts }
+        end
+
+        context "when set via space-delimited string" do
+          let(:opts) { "foo bar" }
+          it { expect(subject.cucumber_opts).to eq %w[ foo bar ] }
+        end
+      end
+
+      describe "#cucumber_opts_with_profile" do
+        before do
+          subject.cucumber_opts = opts
+          subject.profile = profile
+        end
+
+        context "with cucumber_opts" do
+          let(:opts) { %w[ foo bar ] }
+
+          context "without profile" do
+            let(:profile) { nil }
+
+            it "should return just cucumber_opts" do
+              expect(subject.cucumber_opts_with_profile).to be opts
+            end
+          end
+
+          context "with profile" do
+            let(:profile) { "fancy" }
+
+            it "should combine opts and profile into an array, prepending --profile option" do
+              expect(subject.cucumber_opts_with_profile).to eq %w[ foo bar --profile fancy ]
+            end
+          end
+
+          context "with multiple profiles" do
+            let(:profile) { %w[ fancy pants ] }
+
+            it "should combine opts and each profile into an array, prepending --profile option" do
+              expect(subject.cucumber_opts_with_profile).to eq %w[ foo bar --profile fancy --profile pants ]
+            end
+          end
+        end
+
+        context "without cucumber_opts" do
+          let(:opts) { nil }
+
+          context "without profile" do
+            let(:profile) { nil }
+
+            it { expect(subject.cucumber_opts_with_profile).to eq [] }
+          end
+
+          context "with profile" do
+            let(:profile) { "fancy" }
+
+            it "should combine opts and profile into an array, prepending --profile option" do
+              expect(subject.cucumber_opts_with_profile).to eq %w[ --profile fancy ]
+            end
+          end
+
+          context "with multiple profiles" do
+            let(:profile) { %w[ fancy pants ] }
+
+            it "should combine opts and each profile into an array, prepending --profile option" do
+              expect(subject.cucumber_opts_with_profile).to eq %w[ --profile fancy --profile pants ]
+            end
+          end
+        end
+      end
+    end
+  end
+end