1 files changed, 98 insertions, 0 deletions
diff --git a/activerecord/test/cases/dynamic_finder_match_test.rb b/activerecord/test/cases/dynamic_finder_match_test.rb
new file mode 100644
index 0000000000..e576870317
--- /dev/null
+++ b/activerecord/test/cases/dynamic_finder_match_test.rb
@@ -0,0 +1,98 @@
+require "cases/helper"
+
+module ActiveRecord
+  class DynamicFinderMatchTest < ActiveRecord::TestCase
+    def test_find_or_create_by
+      match = DynamicFinderMatch.match("find_or_create_by_age_and_sex_and_location")
+      assert_not_nil match
+      assert !match.finder?
+      assert match.instantiator?
+      assert_equal :first, match.finder
+      assert_equal :create, match.instantiator
+      assert_equal %w(age sex location), match.attribute_names
+    end
+
+    def test_find_or_initialize_by
+      match = DynamicFinderMatch.match("find_or_initialize_by_age_and_sex_and_location")
+      assert_not_nil match
+      assert !match.finder?
+      assert match.instantiator?
+      assert_equal :first, match.finder
+      assert_equal :new, match.instantiator
+      assert_equal %w(age sex location), match.attribute_names
+    end
+
+    def test_find_no_match
+      assert_nil DynamicFinderMatch.match("not_a_finder")
+    end
+
+    def find_by_bang
+      match = DynamicFinderMatch.match("find_by_age_and_sex_and_location!")
+      assert_not_nil match
+      assert match.finder?
+      assert match.bang?
+      assert_equal :first, match.finder
+      assert_equal %w(age sex location), match.attribute_names
+    end
+
+    def test_find_by
+      match = DynamicFinderMatch.match("find_by_age_and_sex_and_location")
+      assert_not_nil match
+      assert match.finder?
+      assert_equal :first, match.finder
+      assert_equal %w(age sex location), match.attribute_names
+    end
+
+    def test_find_by_with_symbol
+      m = DynamicFinderMatch.match(:find_by_foo)
+      assert_equal :first, m.finder
+      assert_equal %w{ foo }, m.attribute_names
+    end
+
+    def test_find_all_by_with_symbol
+      m = DynamicFinderMatch.match(:find_all_by_foo)
+      assert_equal :all, m.finder
+      assert_equal %w{ foo }, m.attribute_names
+    end
+
+    def test_find_all_by
+      match = DynamicFinderMatch.match("find_all_by_age_and_sex_and_location")
+      assert_not_nil match
+      assert match.finder?
+      assert_equal :all, match.finder
+      assert_equal %w(age sex location), match.attribute_names
+    end
+
+    def test_find_last_by
+      m = DynamicFinderMatch.match(:find_last_by_foo)
+      assert_equal :last, m.finder
+      assert_equal %w{ foo }, m.attribute_names
+    end
+
+    def test_find_by!
+      m = DynamicFinderMatch.match(:find_by_foo!)
+      assert_equal :first, m.finder
+      assert m.bang?, 'should be banging'
+      assert_equal %w{ foo }, m.attribute_names
+    end
+
+    def test_find_or_create
+      m = DynamicFinderMatch.match(:find_or_create_by_foo)
+      assert_equal :first, m.finder
+      assert_equal %w{ foo }, m.attribute_names
+      assert_equal :create, m.instantiator
+    end
+
+    def test_find_or_initialize
+      m = DynamicFinderMatch.match(:find_or_initialize_by_foo)
+      assert_equal :first, m.finder
+      assert_equal %w{ foo }, m.attribute_names
+      assert_equal :new, m.instantiator
+    end
+
+    def test_garbage
+      assert !DynamicFinderMatch.match(:fooo), 'should be false'
+      assert !DynamicFinderMatch.match(:find_by), 'should be false'
+    end
+  end
+end