Implement verbose mode

features/cli/usage.feature

@@ -5,5 +5,5 @@ Feature: CLI usage
     Then the exit status must be 64
     And the output must contain exactly:
       """
-      Usage: producer recipe_file
+      Usage: producer [-v] recipe_file
       """

features/cli/verbose.feature

@@ -0,0 +1,33 @@
+Feature: CLI verbose option
+
+  Scenario: prints tasks name
+    Given a recipe with:
+      """
+      task :say_hello do
+      end
+      """
+    When I successfully execute the recipe with option -v
+    Then the output must match /Task:.+say_hello/
+
+  Scenario: prints whether condition is met
+    Given a recipe with:
+      """
+      task :task_ok do
+        condition { true }
+      end
+      task :task_ko do
+        condition { false }
+      end
+      """
+    When I successfully execute the recipe with option -v
+    Then the output must match /task_ok.+ condition: met.*task_ko.* condition: NOT met/
+
+  Scenario: prints actions info
+    Given a recipe with:
+      """
+      task :say_hello do
+        echo 'hello message'
+      end
+      """
+    When I successfully execute the recipe with option -v
+    Then the output must match /say_hello.+ action: echo/

features/steps/recipe_steps.rb

@@ -11,6 +11,11 @@ When /^I successfully execute the recipe$/ do
   assert_exit_status 0
 end
 
+When /^I successfully execute the recipe with option (-\w)$/ do |option|
+  run_simple "producer #{option} recipe.rb", false
+  assert_exit_status 0
+end
+
 When /^I execute the recipe interactively$/ do
   run_interactive 'producer recipe.rb'
 end