Test kitchen setup to test detection of audit-cookbook

Signed-off-by: Clinton Wolfe <clintoncwolfe@gmail.com>

kitchen.run_context.yml

@@ -13,6 +13,7 @@ verifier:
 lifecycle:
   # This pre_create hook, along with the install_inspec cookbook, ensures that
   # the VM has a version of InSpec that matches that built from source.
+  # Note that audit cookbook will ignore this.
   pre_create:
     - local: cd inspec-bin && gem build inspec-core-bin.gemspec --output ../test/kitchen/cookbooks/install_inspec/files/inspec-core-bin.gem
     - local: gem build inspec-core.gemspec --output test/kitchen/cookbooks/install_inspec/files/inspec-core.gem
@@ -27,3 +28,22 @@ suites:
   - name: run-context-tk
     run_list:
       - recipe[install_inspec]
+
+  # This test suite uses a pair of profiles to check the Telemetry Run Context
+  # detection system under audit cookbook.
+  - name: run-context-after-audit
+    run_list:
+      - recipe[install_inspec]
+      - recipe[audit]
+    attributes:
+      audit:
+        profiles:
+          # This actually runs during converge time, and performs the stack
+          # probe that we care about. It writes a JSON copy of the stack that
+          # it saw to /tmp/audit_stack.json . run-context-after-audit examines
+          # that JSON file and runs it through the context probe to see what it gets.
+          run-context-during-audit:
+            # This should work but doesn't :-(
+            # path: <%= Dir.pwd %>/test/integration/run-context-during-audit/
+            url: https://github.com/inspec/inspec-test-profile-run-context-audit/archive/v0.3.2.zip
+

lib/inspec/utils/telemetry/run_context_probe.rb

@@ -4,8 +4,8 @@ module Telemetry
     # All stack values here are determined experimentally
 
     class RunContextProbe
-      def self.guess_run_context
-        stack = caller_locations
+      def self.guess_run_context(stack = nil)
+        stack ||= caller_locations
         return "test-kitchen" if kitchen?(stack)
         return "cli" if run_by_thor?(stack)
         return "audit-cookbook" if audit_cookbook?(stack)

test/integration/run-context-after-audit/controls/after-audit.rb

@@ -0,0 +1,16 @@
+
+# run-context-during-audit should have left a file with a JSON
+# representation of the stack as experienced by the audit cookbook.
+
+raw_data = JSON.parse(file("/tmp/audit_stack.json").content)
+# These aren't really stack frames, so we do some duck typing
+Frame = Struct.new(:absolute_path, :label)
+reconstructed_stack = raw_data.map{ |f| Frame.new(f["absolute_path"], f["label"]) }
+
+require "inspec/utils/telemetry/run_context_probe"
+
+control "run-context" do
+  describe Inspec::Telemetry::RunContextProbe.guess_run_context(reconstructed_stack) do
+    it { should eq "audit-cookbook" }
+  end
+end

test/integration/run-context-after-audit/inspec.yml

@@ -0,0 +1,10 @@
+name: run-context-after-audit
+title: InSpec Profile
+maintainer: InSpec Engineering
+copyright: Chef Software, Inc.
+copyright_email: inspec@chef.io
+license: Apache-2.0
+summary: An InSpec Compliance Profile to test inspec run context detection under audit-cookbook
+version: 0.1.0
+supports:
+  platform: os