(PDOC-106) Add acceptance test for --emit-json CLI options

spec/acceptance/emit_json_options.rb

@@ -0,0 +1,41 @@
+require 'spec_helper_acceptance'
+require 'util'
+require 'json'
+
+include PuppetStrings::Acceptance::Util
+
+describe 'Emitting JSON' do
+expected = {
+  "puppet_classes" => [],
+  "defined_types" => [],
+  "resource_types" => [],
+  "providers" => [],
+  "puppet_functions" => [
+    "name" => "function3x",
+    "file" => "/etc/puppet/modules/test/lib/puppet/parser/functions/function3x.rb",
+    "line" => 1,
+    "type" => "ruby3x",
+    "signature" => "function3x()",
+    "docstring" => {
+      "text" => "This is the function documentation for `function3x`",
+      "tags" => ["tag_name" => "return", "text" => "", "types" => ["Any"]]},
+      "source" => "Puppet::Parser::Functions.newfunction(:function3x, :doc => \"This is the function documentation for `function3x`\") do |args|\nend"
+  ]
+}
+
+  it 'should emit JSON to stdout when using the --emit-json-stdout option' do
+    test_module_path = get_test_module_path(master, /Module test/)
+    on master, puppet('strings', 'generate', '--emit-json-stdout', "#{test_module_path}/lib/puppet/parser/functions/function3x.rb") do
+      output = stdout.chomp
+      expect(JSON.parse(output)).to eq(expected)
+    end
+  end
+
+  it 'should write JSON to a file when using the --emit-json option' do
+    test_module_path = get_test_module_path(master, /Module test/)
+    tmpfile = master.tmpfile('json_output.json')
+    on master, puppet('strings', 'generate', "--emit-json #{tmpfile}", "#{test_module_path}/lib/puppet/parser/functions/function3x.rb")
+      output = read_file_on(master, tmpfile)
+      expect(JSON.parse(output)).to eq(expected)
+  end
+end