about_sensei finale for closure to koans exercises

koans/about_sensei.rb

@@ -0,0 +1,118 @@
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')
+
+class Sensei
+  def observe(step)
+    # Step Protocol: step.passed? | step.failure | step.koan_file | step.name
+    # WRITE THIS CODE
+  end
+
+  def pass_count
+    # WRITE THIS CODE
+  end
+
+  def failed?
+    # WRITE THIS CODE
+  end
+
+  def instruct
+    # WRITE THIS CODE
+  end
+end
+
+def student_passes_test
+  assert true  # DO NOT CHANGE YOUR STUDENT'S ANSWER
+end
+
+def student_fails_test
+  assert false # DO NOT CHANGE YOUR STUDENT'S ANSWER
+end
+
+class AboutSensei < EdgeCase::Koan
+  def test_sensei_comments_about_expanded_awareness
+    you = Sensei.new
+    student_step = EdgeCase::Koan.new(:student_passes_test, self)
+    student_meditation = student_step.meditate
+    observation = you.observe(student_meditation)
+    assert_equal "AboutSensei#student_passes_test has expanded your awareness.", observation
+  end
+
+  def test_sensei_comments_about_damaged_karma
+    you = Sensei.new
+    student_step = EdgeCase::Koan.new(:student_fails_test, self)
+    student_meditation = student_step.meditate
+    observation = you.observe(student_meditation)
+    assert_equal "AboutSensei#student_fails_test has damaged your karma.", observation
+  end
+
+  def test_sensei_counts_passed_steps
+    you = Sensei.new
+    student_steps = [EdgeCase::Koan.new(:student_passes_test, self),
+                     EdgeCase::Koan.new(:student_passes_test, self),
+                     EdgeCase::Koan.new(:student_passes_test, self),
+                     EdgeCase::Koan.new(:student_passes_test, self),
+                     EdgeCase::Koan.new(:student_fails_test, self)]
+    student_steps.each do |step|
+      you.observe step.meditate
+    end
+    assert_equal 4, you.pass_count
+  end
+
+  def test_sensei_reports_failed_true
+    you = Sensei.new
+    student_steps = [EdgeCase::Koan.new(:student_passes_test, self),
+                     EdgeCase::Koan.new(:student_fails_test, self)]
+    student_steps.each do |step|
+      you.observe step
+    end
+    assert you.failed?
+  end
+
+  def test_sensei_reports_failed_true
+    you = Sensei.new
+    student_steps = [EdgeCase::Koan.new(:student_passes_test, self),
+                     EdgeCase::Koan.new(:student_passes_test, self)]
+    student_steps.each do |step|
+      you.observe step
+    end
+    assert ! you.failed?
+  end
+
+  def test_sensei_shows_beginning_progress
+    you = Sensei.new
+    student_steps = [EdgeCase::Koan.new(:student_fails_test, self),
+                     EdgeCase::Koan.new(:student_fails_test, self),
+                     EdgeCase::Koan.new(:student_fails_test, self),
+                     EdgeCase::Koan.new(:student_fails_test, self),
+                     EdgeCase::Koan.new(:student_fails_test, self)]
+    student_steps.each do |step|
+      you.observe step.meditate
+    end
+    instructions = you.instruct
+    assert_match "You have not yet reached enlightenment", instructions
+    assert_match "You have passed 0 steps", instructions
+  end
+
+  def test_sensei_shows_partial_progress
+    you = Sensei.new
+    student_steps = [EdgeCase::Koan.new(:student_passes_test, self),
+                     EdgeCase::Koan.new(:student_passes_test, self),
+                     EdgeCase::Koan.new(:student_passes_test, self),
+                     EdgeCase::Koan.new(:student_fails_test, self),
+                     EdgeCase::Koan.new(:student_fails_test, self)]
+    student_steps.each do |step|
+      you.observe step.meditate
+    end
+    instructions = you.instruct
+    assert_match "You have not yet reached enlightenment", instructions
+    assert_match "You have passed 3 steps", instructions
+  end
+
+  def test_sensei_congratulates_student
+    you = Sensei.new
+    # run all of Ruby Koans with you as the sensei
+    EdgeCase::ThePath.new(you).walk
+
+    instructions = you.instruct
+    assert_match "The student has become the master", instructions
+  end
+end