npm resource
Use the npm Chef InSpec audit resource to test if a global NPM package is installed. NPM is the the package manager for Node.js packages, such as Bower and StatsD.
Availability
Install
This resource is distributed with Chef InSpec and is automatically available for use.Version
This resource first became available in v1.0.0 of InSpec.
Syntax
A npm resource block declares a package and (optionally) a package version:
describe npm('npm_package_name') do
  it { should be_installed }
end
where:
('npm_package_name')must specify an NPM package, such as'bower'or'statsd'be_installedis a valid matcher for this resource
You can also specify additional options:
describe npm('npm_package_name', path: '/path/to/project') do
  it { should be_installed }
end
The path specifies a folder, that contains a node_modules subdirectory. It emulates running npm inside the specified folder. This way you can inspect local NPM installations as well as global ones.
Examples
The following examples show how to use this Chef InSpec audit resource.
Verify that bower is installed, with a specific version
describe npm('bower') do
  it { should be_installed }
  its('version') { should eq '1.4.1' }
end
Verify that statsd isn’t installed
describe npm('statsd') do
  it { should_not be_installed }
end
Matchers
For a full list of available matchers, see our Universal Matchers page.This resource has the following special matchers.
be_installed
The be_installed matcher tests if the named Gem package and package version (if specified) is installed:
it { should be_installed }
version
The version matcher tests if the named package version is on the system:
its('version') { should eq '1.2.3' }