test_dot_script.rb in ruby-graphviz-1.1.0

- old
+ new
@@ -1,43 +1,47 @@
-require "minitest/autorun"
-require_relative "../lib/graphviz/dot_script"
+require 'helper'
 
-describe GraphViz::DOTScript do
-    let(:script) { GraphViz::DOTScript.new }
+class GraphVizDOTScriptTest < Test::Unit::TestCase
+  def setup
+    @script = GraphViz::DOTScript.new
+  end
 
-    it "appends a newline character if it is missing" do
-      str = "Test without newline"
-      script.append(str)
-      script.to_s.must_equal(str + "\n")
-    end
+  def test_appends_a_newline_character_if_it_is_missing
+    str = "Test without newline"
+    @script.append(str)
+    assert_equal @script.to_s, str + "\n"
+  end
 
-    it "does not append a newline if already present" do
-      str = "Linebreak follows at my tail:\n"
-      script.append(str)
-      script.to_s.must_equal(str)
-    end
+  def test_does_not_append_a_newline_if_already_present
+    str = "Linebreak follows at my tail:\n"
+    @script.append(str)
+    assert_equal @script.to_s, str
+  end
 
-    it "can prepend lines to its content" do
-      start_content = "I want to be at the top!\n"
-      additional_content = "No way!\n"
+  def test_can_prepend_lines_to_its_content
+    start_content = "I want to be at the top!\n"
+    additional_content = "No way!\n"
 
-      script.append(start_content)
-      script.prepend(additional_content)
+    @script.append(start_content)
+    @script.prepend(additional_content)
 
-      script.to_s.must_equal(additional_content + start_content)
-    end
+    assert_equal @script.to_s, additional_content + start_content
+  end
 
-    it "can add types with data" do
-      data = "some random data"
-      script.add_type("node_attr", data)
-      script.to_s.must_match(/\s*node\s*\[\s*#{data}\s*\]\s*/m)
-    end
+  def test_can_add_types_with_data
+    data = "some random data"
+    @script.add_type("node_attr", data)
+    assert_match(/\s*node\s*\[\s*#{data}\s*\]\s*/, @script.to_s)
+  end
 
-    it "does nothing if data is empty" do
-      script.add_type("anything", "")
-      script.to_s.must_be :empty?
-    end
+  def test_does_nothing_if_data_is_empty
+    @script.add_type("anything", "")
+    assert_equal true, @script.to_s.empty?
+  end
 
-    it "raises an argument error on unknown types" do
-      -> { script.add_type("invalid", "some data") }.must_raise(ArgumentError)
+  def test_raises_an_argument_error_on_unknown_types
+    assert_raise ArgumentError do
+      @script.add_type("invalid", "some data")
     end
+  end
 end
+