+ Finally added assert_path_exists and refute_path_exists. (deivid-ro…

…driguez)

[git-p4: depot-paths = "//src/minitest/dev/": change = 12352]

lib/minitest/assertions.rb

@@ -481,6 +481,14 @@ def assert_throws sym, msg = nil
       assert caught, message(msg) { default }
     end
 
+    ##
+    # Fails unless +path+ exists.
+
+    def assert_path_exists path, msg = nil
+      msg = message(msg) { "Expected path '#{path}' to exist" }
+      assert File.exist?(path), msg
+    end
+
     ##
     # Captures $stdout and $stderr into strings:
     #
@@ -738,6 +746,14 @@ def refute_same exp, act, msg = nil
       refute exp.equal?(act), msg
     end
 
+    ##
+    # Fails if +path+ exists.
+
+    def refute_path_exists path, msg = nil
+      msg = message(msg) { "Expected path '#{path}' to not exist" }
+      refute File.exist?(path), msg
+    end
+
     ##
     # Skips the current run. If run in verbose-mode, the skipped run
     # gets listed at the end of the run but doesn't cause a failure

test/minitest/test_minitest_assertions.rb

@@ -906,6 +906,16 @@ def test_assert_throws_unthrown
     end
   end
 
+  def test_assert_path_exists
+    @tc.assert_path_exists __FILE__
+  end
+
+  def test_assert_path_exists_triggered
+    assert_triggered "Expected path 'blah' to exist." do
+      @tc.assert_path_exists "blah"
+    end
+  end
+
   def test_capture_io
     @assertion_count = 0
 
@@ -1171,6 +1181,16 @@ def test_refute_same_triggered
     end
   end
 
+  def test_refute_path_exists
+    @tc.refute_path_exists "blah"
+  end
+
+  def test_refute_path_exists_triggered
+    assert_triggered "Expected path '#{__FILE__}' to not exist." do
+      @tc.refute_path_exists __FILE__
+    end
+  end
+
   def test_skip
     @assertion_count = 0