+ Added expectations #path_must_exist and #path_wont_exist. Not thril…

…led with the names. [git-p4: depot-paths = "//src/minitest/dev/": change = 12354]
minitest · Oct 20, 2019 · c07a593 · c07a593
1 parent dcac10a
commit c07a593
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diff --git a/lib/minitest/expectations.rb b/lib/minitest/expectations.rb
@@ -168,6 +168,24 @@ module Minitest::Expectations
 
   infect_an_assertion :assert_throws, :must_throw, :block
 
+  ##
+  # See Minitest::Assertions#assert_path_exists
+  #
+  #   _(some_path).path_must_exist
+  #
+  # :method: path_must_exist
+
+  infect_an_assertion :assert_path_exists, :path_must_exist, :unary
+
+  ##
+  # See Minitest::Assertions#refute_path_exists
+  #
+  #   _(some_path).path_wont_exist
+  #
+  # :method: path_wont_exist
+
+  infect_an_assertion :refute_path_exists, :path_wont_exist, :unary
+
   ##
   # See Minitest::Assertions#refute_empty
   #

diff --git a/test/minitest/test_minitest_spec.rb b/test/minitest/test_minitest_spec.rb
@@ -59,6 +59,26 @@ def assert_triggered expected = "blah", klass = Minitest::Assertion
     end
   end
 
+  it "needs to check for file existence" do
+    @assertion_count = 3
+
+    _(_(__FILE__).path_must_exist).must_equal true
+
+    assert_triggered "Expected path 'blah' to exist." do
+      _("blah").path_must_exist
+    end
+  end
+
+  it "needs to check for file non-existence" do
+    @assertion_count = 3
+
+    _(_("blah").path_wont_exist).must_equal false
+
+    assert_triggered "Expected path '#{__FILE__}' to not exist." do
+      _(__FILE__).path_wont_exist
+    end
+  end
+
   it "needs to be sensible about must_include order" do
     @assertion_count += 3 # must_include is 2 assertions
 
@@ -129,10 +149,10 @@ def assert_triggered expected = "blah", klass = Minitest::Assertion
 
     @assertion_count = 2
 
-    methods = Object.public_instance_methods.find_all { |n| n =~ /^must|^wont/ }
+    methods = Minitest::Expectations.public_instance_methods.grep(/must|wont/)
     methods.map!(&:to_s) if Symbol === methods.first
 
-    musts, wonts = methods.sort.partition { |m| m =~ /^must/ }
+    musts, wonts = methods.sort.partition { |m| m =~ /must/ }
 
     expected_musts = %w[must_be
                         must_be_close_to
@@ -150,11 +170,12 @@ def assert_triggered expected = "blah", klass = Minitest::Assertion
                         must_output
                         must_raise
                         must_respond_to
-                        must_throw]
+                        must_throw
+                        path_must_exist]
 
     bad = %w[not raise throw send output be_silent]
 
-    expected_wonts = expected_musts.map { |m| m.sub(/^must/, "wont") }
+    expected_wonts = expected_musts.map { |m| m.sub(/must/, "wont") }.sort
     expected_wonts.reject! { |m| m =~ /wont_#{Regexp.union(*bad)}/ }
 
     _(musts).must_equal expected_musts