Add interactive feature tests

  * Pause/Unpause
  * Run all
  * Force selection
  * Start / Help
  * Run last command

features/bundler-app/lib/bundler_app.rb

@@ -2,6 +2,7 @@
 
 require_relative "bundler_app/version"
 require_relative "bundler_app/bottles"
+require_relative "bundler_app/fibonacci"
 
 module BundlerApp
   class Error < StandardError; end

features/bundler-app/lib/bundler_app/fibonacci.rb

@@ -0,0 +1,11 @@
+# fibonacci.rb
+class Fibonacci
+  def self.calculate(n)
+    raise ArgumentError, "Input must be a non-negative integer." unless n.is_a?(Integer) && n >= 0
+    return n if n <= 1
+
+    a, b = 0, 1
+    (n - 1).times { a, b = b, a + b }
+    b
+  end
+end

features/bundler-app/retest/retest_test.rb

@@ -2,5 +2,6 @@
 require_relative 'support/test_helper'
 require 'minitest/autorun'
 require_relative 'retest_test/file_changes_test'
+require_relative 'retest_test/interactive_commands_test'
 
 $stdout.sync = true

features/bundler-app/retest/retest_test/file_changes_test.rb

@@ -1,7 +1,5 @@
 class FileChangesTest < Minitest::Test
-  include FileHelper
-  include OutputHelper
-  include CommandHelper
+  include RetestHelper
 
   def setup
     @command = 'retest'
@@ -14,7 +12,7 @@ def teardown
   def test_start_retest
     launch_retest @command
 
-    assert_match <<~EXPECTED, read_output
+    assert_output_matches <<~EXPECTED
       Launching Retest...
       Ready to refactor! You can make file changes now
     EXPECTED
@@ -25,29 +23,27 @@ def test_modifying_existing_file
 
     modify_file('lib/bundler_app/bottles.rb')
 
-    read_output do |output|
-      assert_match "Test file: test/bundler_app/test_bottles.rb", output
-      assert_match "12 runs, 12 assertions, 0 failures, 0 errors, 0 skips", output
-    end
+    assert_output_matches(
+      'Test file: test/bundler_app/test_bottles.rb',
+      '12 runs, 12 assertions, 0 failures, 0 errors, 0 skips')
   end
 
   def test_modifying_existing_test_file
     launch_retest @command
 
     modify_file('test/bundler_app/test_bottles.rb')
 
-    read_output do |output|
-      assert_match "Test file: test/bundler_app/test_bottles.rb", output
-      assert_match "12 runs, 12 assertions, 0 failures, 0 errors, 0 skips", output
-    end
+    assert_output_matches(
+      'Test file: test/bundler_app/test_bottles.rb',
+      '12 runs, 12 assertions, 0 failures, 0 errors, 0 skips')
   end
 
   def test_creating_a_new_test_file
     launch_retest @command
 
     create_file 'test/bundler_app/test_foo.rb'
 
-    assert_match "Test file: test/bundler_app/test_foo.rb", read_output
+    assert_output_matches 'Test file: test/bundler_app/test_foo.rb'
 
   ensure
     delete_file 'test/bundler_app/test_foo.rb'
@@ -57,32 +53,30 @@ def test_creating_a_new_file
     launch_retest @command
 
     create_file 'lib/bundler_app/foo.rb'
-    assert_match <<~EXPECTED, read_output
-      FileNotFound - Retest could not find a matching test file to run.
-    EXPECTED
+    assert_output_matches 'FileNotFound - Retest could not find a matching test file to run.'
 
     create_file 'test/bundler_app/test_foo.rb'
-    assert_match "Test file: test/bundler_app/test_foo.rb", read_output
+    assert_output_matches 'Test file: test/bundler_app/test_foo.rb'
 
     modify_file('lib/bundler_app/bottles.rb')
-    assert_match "Test file: test/bundler_app/test_bottles.rb", read_output
+    assert_output_matches 'Test file: test/bundler_app/test_bottles.rb'
 
     modify_file('lib/bundler_app/foo.rb')
-    assert_match "Test file: test/bundler_app/test_foo.rb", read_output
+    assert_output_matches 'Test file: test/bundler_app/test_foo.rb'
 
   ensure
     delete_file 'lib/bundler_app/foo.rb'
     delete_file 'test/bundler_app/test_foo.rb'
   end
 
   def test_untracked_file
-    create_file 'lib/bundler_app/foo.rb', should_sleep: false
-    create_file 'test/bundler_app/test_foo.rb', should_sleep: false
+    create_file 'lib/bundler_app/foo.rb', sleep_for: 0
+    create_file 'test/bundler_app/test_foo.rb', sleep_for: 0
 
     launch_retest @command
 
     modify_file 'lib/bundler_app/foo.rb'
-    assert_match "Test file: test/bundler_app/test_foo.rb", read_output
+    assert_output_matches 'Test file: test/bundler_app/test_foo.rb'
 
   ensure
     delete_file 'lib/bundler_app/foo.rb'

features/bundler-app/retest/retest_test/interactive_commands_test.rb

@@ -0,0 +1,141 @@
+class InteractiveCommandTest < Minitest::Test
+  include RetestHelper
+
+  def setup
+    @command = 'retest'
+  end
+
+  def teardown
+    end_retest
+  end
+
+  def test_start_help
+    launch_retest @command
+
+    assert_output_matches <<~EXPECTED.chomp
+      Setup identified: [RAKE]. Using command: 'bundle exec rake test TEST=<test>'
+      Watcher: [LISTEN]
+      Launching Retest...
+      Ready to refactor! You can make file changes now
+
+      Type interactive command and press enter. Enter 'h' for help.
+      >\s
+    EXPECTED
+
+    write_input("h\n")
+
+    assert_output_matches <<~EXPECTED.chomp
+      * 'h', 'help'              # Prints help.
+      * 'p', 'pause'             # Pauses Retest. Tests aren't run on file change events until unpaused.
+      * 'u', 'unpause'           # Unpauses Retest.
+      * <ENTER>                  # Runs last changed triggered command.
+      * 'ra, 'run all'           # Runs all tests.
+      * 'f', 'force'             # Forces a selection of test to run on every file change.
+      * 'r', 'reset'             # Disables forced selection.
+      * 'd', 'diff' [GIT BRANCH] # Runs matching specs that changed from a target branch.
+      * 'e', 'exit'              # Exits Retest.
+
+      Type interactive command and press enter. Enter 'h' for help.
+      >\s
+    EXPECTED
+  end
+
+  def test_pause_unpause
+    launch_retest @command
+
+    modify_file('lib/bundler_app/bottles.rb')
+
+    assert_output_matches(
+      "Test file: test/bundler_app/test_bottles.rb",
+      "12 runs, 12 assertions, 0 failures, 0 errors, 0 skips"
+    )
+
+    write_input("p\n")
+
+    assert_output_matches "Program is paused"
+
+    modify_file('lib/bundler_app/bottles.rb')
+
+    assert_output_matches <<~EXPECTED
+      File changed: lib/bundler_app/bottles.rb
+      Main program paused. Please resume program first.
+    EXPECTED
+
+    write_input("\n") # Manually run previous test
+
+    assert_output_matches(
+      "Running last command: 'bundle exec rake test TEST=test/bundler_app/test_bottles.rb'",
+      "12 runs, 12 assertions, 0 failures, 0 errors, 0 skips"
+    )
+
+    write_input("u\n")
+
+    modify_file('lib/bundler_app/bottles.rb')
+
+    assert_output_matches(
+      "Test file: test/bundler_app/test_bottles.rb",
+      "12 runs, 12 assertions, 0 failures, 0 errors, 0 skips"
+    )
+  end
+
+  def test_force_reset
+    launch_retest @command
+
+    write_input("f\n")
+
+    assert_output_matches "What test files do you want to run when saving a file? (min. 1)"
+
+    write_input("fib\s\n")
+
+    assert_output_matches <<~EXPECTED
+      Forced selection enabled.
+      Reset to default settings by typing 'r' in the interactive console.
+
+      Tests selected:
+        - test/bundler_app/test_fibonacci.rb
+    EXPECTED
+
+    assert_output_matches "8 runs, 9 assertions, 0 failures, 0 errors, 0 skips"
+
+    modify_file('lib/bundler_app/bottles.rb')
+
+    assert_output_matches <<~EXPECTED
+      Forced selection enabled.
+      Reset to default settings by typing 'r' in the interactive console.
+
+      Tests selected:
+        - test/bundler_app/test_fibonacci.rb
+    EXPECTED
+
+    write_input("\n") # Manually run previous test
+
+    assert_output_matches(
+      "Running last command: 'bundle exec rake test TEST=test/bundler_app/test_fibonacci.rb'",
+      "8 runs, 9 assertions, 0 failures, 0 errors, 0 skips"
+    )
+
+    write_input("r\n")
+
+    modify_file('lib/bundler_app/bottles.rb')
+
+    assert_output_matches(
+      "Test file: test/bundler_app/test_bottles.rb",
+      "12 runs, 12 assertions, 0 failures, 0 errors, 0 skips")
+  end
+
+  def test_run_all
+    launch_retest @command
+
+    write_input("ra\n")
+
+    assert_output_matches(
+      "Running all tests",
+      "21 runs, 22 assertions, 0 failures, 0 errors, 0 skips")
+
+    write_input("\n") # Manually run previous test
+
+    assert_output_matches(
+      "Running last command: 'bundle exec rake test",
+      "21 runs, 22 assertions, 0 failures, 0 errors, 0 skips")
+  end
+end