Add load_metadata_json function

This function loads the metadata.json into a puppet variable. This enables a number of neat things such as:

* Which version of the module am I using? 2.x? 3.x?
* Which author of the module am I using? puppetlabs? example42?

1 files changed, 16 insertions, 0 deletions

diff --git a/spec/functions/load_module_metadata.rb b/spec/functions/load_module_metadata.rb
new file mode 100755
index 0000000..ba542eb
--- /dev/null
+++ b/spec/functions/load_module_metadata.rb
@@ -0,0 +1,16 @@
+require 'spec_helper'
+
+describe 'load_module_metadata' do
+  it { is_expected.not_to eq(nil) }
+  it { is_expected.to run.with_params().and_raise_error(Puppet::ParseError, /wrong number of arguments/i) }
+  it { is_expected.to run.with_params("one", "two").and_raise_error(Puppet::ParseError, /wrong number of arguments/i) }
+
+  it "should json parse the file" do
+     allow(scope).to receive(:function_get_module_path).with(['science']).and_return('/path/to/module/')
+     allow(File).to receive(:exists?).with(/metadata.json/).and_return(true)
+     allow(File).to receive(:read).with(/metadata.json/).and_return('{"name": "spencer-science"}')
+
+     result = subject.call(['science'])
+     expect(result['name']).to eq('spencer-science')
+  end
+end