add npm to package provider

lib/serverspec/commands/base.rb

@@ -128,6 +128,12 @@ def check_installed_by_gem name, version=nil
         cmd
       end
 
+      def check_installed_by_npm name, version=nil, path=nil
+        cmd = "#{path || 'npm'} ls #{escape(name)} -g"
+        cmd = "#{cmd} | grep -w -- #{escape(version)}" unless version.nil?
+        cmd
+      end
+
       def check_belonging_group user, group
         "id #{escape(user)} | awk '{print $3}' | grep -- #{escape(group)}"
       end

spec/darwin/matchers_spec.rb

@@ -43,6 +43,8 @@
 
   it_behaves_like 'support be_installed.by(gem) matcher', 'jekyll'
   it_behaves_like 'support be_installed.by(gem).with_version matcher', 'jekyll', '1.0.0'
+  it_behaves_like 'support be_installed.by(npm) matcher', 'bower'
+  it_behaves_like 'support be_installed.by(npm).with_version matcher', 'bower', '0.9.2'
 
   it_behaves_like 'support belong_to_group matcher', 'root', 'root'
   it_behaves_like 'support have_gid matcher', 'root', 0

spec/darwin/package_spec.rb

@@ -5,4 +5,6 @@
 describe 'Serverspec package matchers of Darwin family' do
   it_behaves_like 'support package installed by gem matcher', 'jekyll'
   it_behaves_like 'support package installed by gem with version matcher', 'jekyll', '1.1.1'
+  it_behaves_like 'support package installed by npm matcher', 'bower'
+  it_behaves_like 'support package installed by npm with version matcher', 'bower', '0.9.2'
 end

spec/debian/matchers_spec.rb

@@ -43,6 +43,8 @@
 
   it_behaves_like 'support be_installed.by(gem) matcher', 'jekyll'
   it_behaves_like 'support be_installed.by(gem).with_version matcher', 'jekyll', '1.0.0'
+  it_behaves_like 'support be_installed.by(npm) matcher', 'bower'
+  it_behaves_like 'support be_installed.by(npm).with_version matcher', 'bower', '0.9.2'
 
   it_behaves_like 'support belong_to_group matcher', 'root', 'root'
   it_behaves_like 'support have_gid matcher', 'root', 0

spec/debian/package_spec.rb

@@ -6,4 +6,6 @@
   it_behaves_like 'support package installed matcher', 'httpd'
   it_behaves_like 'support package installed by gem matcher', 'jekyll'
   it_behaves_like 'support package installed by gem with version matcher', 'jekyll', '1.1.1'
+  it_behaves_like 'support package installed by npm matcher', 'bower'
+  it_behaves_like 'support package installed by npm with version matcher', 'bower', '0.9.2'
 end

spec/gentoo/matchers_spec.rb

@@ -44,6 +44,8 @@
 
   it_behaves_like 'support be_installed.by(gem) matcher', 'jekyll'
   it_behaves_like 'support be_installed.by(gem).with_version matcher', 'jekyll', '1.0.0'
+  it_behaves_like 'support be_installed.by(npm) matcher', 'bower'
+  it_behaves_like 'support be_installed.by(npm).with_version matcher', 'bower', '0.9.2'
 
   it_behaves_like 'support belong_to_group matcher', 'root', 'root'
   it_behaves_like 'support have_gid matcher', 'root', 0

spec/gentoo/package_spec.rb

@@ -6,4 +6,6 @@
   it_behaves_like 'support package installed matcher', 'httpd'
   it_behaves_like 'support package installed by gem matcher', 'jekyll'
   it_behaves_like 'support package installed by gem with version matcher', 'jekyll', '1.1.1'
+  it_behaves_like 'support package installed by npm matcher', 'bower'
+  it_behaves_like 'support package installed by npm with version matcher', 'bower', '0.9.2'
 end

spec/redhat/matchers_spec.rb

@@ -45,6 +45,8 @@
 
   it_behaves_like 'support be_installed.by(gem) matcher', 'jekyll'
   it_behaves_like 'support be_installed.by(gem).with_version matcher', 'jekyll', '1.0.0'
+  it_behaves_like 'support be_installed.by(npm) matcher', 'bower'
+  it_behaves_like 'support be_installed.by(npm).with_version matcher', 'bower', '0.9.2'
 
   it_behaves_like 'support belong_to_group matcher', 'root', 'root'
   it_behaves_like 'support have_gid matcher', 'root', 0

spec/redhat/package_spec.rb

@@ -6,4 +6,6 @@
   it_behaves_like 'support package installed matcher', 'httpd'
   it_behaves_like 'support package installed by gem matcher', 'jekyll'
   it_behaves_like 'support package installed by gem with version matcher', 'jekyll', '1.1.1'
+  it_behaves_like 'support package installed by npm matcher', 'bower'
+  it_behaves_like 'support package installed by npm with version matcher', 'bower', '0.9.2'
 end

spec/solaris/matchers_spec.rb

@@ -44,6 +44,8 @@
 
   it_behaves_like 'support be_installed.by(gem) matcher', 'jekyll'
   it_behaves_like 'support be_installed.by(gem).with_version matcher', 'jekyll', '1.0.0'
+  it_behaves_like 'support be_installed.by(npm) matcher', 'bower'
+  it_behaves_like 'support be_installed.by(npm).with_version matcher', 'bower', '0.9.2'
 
   it_behaves_like 'support belong_to_group matcher', 'root', 'root'
   it_behaves_like 'support have_gid matcher', 'root', 0

spec/solaris/package_spec.rb

@@ -6,4 +6,6 @@
   it_behaves_like 'support package installed matcher', 'httpd'
   it_behaves_like 'support package installed by gem matcher', 'jekyll'
   it_behaves_like 'support package installed by gem with version matcher', 'jekyll', '1.1.1'
+  it_behaves_like 'support package installed by npm matcher', 'bower'
+  it_behaves_like 'support package installed by npm with version matcher', 'bower', '0.9.2'
 end

spec/support/shared_commands_examples.rb

@@ -8,6 +8,16 @@
   it { should eq "gem list --local | grep -w -- ^#{package} | grep -w -- ^#{version}" }
 end
 
+shared_examples_for 'support command check_installed_by_npm' do |package|
+  subject { commands.check_installed_by_npm(package) }
+  it { should eq "npm ls #{package} -g" }
+end
+
+shared_examples_for 'support command check_installed_by_npm with_version' do |package, version|
+  subject { commands.check_installed_by_npm(package) }
+  it { should eq "npm ls #{package} -g | grep -w -- #{version}" }
+end
+
 shared_examples_for 'support command check_file' do |file|
   subject { commands.check_file(file) }
   it { should eq "test -f #{file}" }

spec/support/shared_matcher_examples.rb

@@ -653,6 +653,30 @@
   end
 end
 
+shared_examples_for 'support be_installed.by(npm) matcher' do |name|
+  describe 'be_installed.by(npm)' do
+    describe name do
+      it { should be_installed.by('npm') }
+    end
+
+    describe 'invalid-npm' do
+      it { should_not be_installed.by('npm') }
+    end
+  end
+end
+
+shared_examples_for 'support be_installed.by(npm).with_version matcher' do |name, version|
+  describe 'be_installed.by(npm).with_version' do
+    describe name do
+      it { should be_installed.by('npm').with_version(version) }
+    end
+
+    describe name do
+      it { should_not be_installed.by('npm').with_version('invalid-version') }
+    end
+  end
+end
+
 shared_examples_for 'support belong_to_group matcher' do |user, group|
   describe 'belong_to_group' do
     describe user do

spec/support/shared_package_examples.rb

@@ -33,3 +33,27 @@
     end
   end
 end
+
+shared_examples_for 'support package installed by npm matcher' do |name|
+  describe 'installed by npm' do
+    describe package(name) do
+      it { should be_installed.by('npm') }
+    end
+
+    describe 'invalid-npm' do
+      it { should_not be_installed.by('npm') }
+    end
+  end
+end
+
+shared_examples_for 'support package installed by npm with version matcher' do |name, version|
+  describe 'installed by npm with version' do
+    describe package(name) do
+      it { should be_installed.by('npm').with_version(version) }
+    end
+
+    describe package(name) do
+      it { should_not be_installed.by('npm').with_version('invalid-version') }
+    end
+  end
+end