spec/polygonize_spec.rb in polygonize-0.0.3 vs spec/polygonize_spec.rb in polygonize-0.0.4

@@ -2,45 +2,67 @@
 
 require 'spec_helper'
 
 include Polygonize
 
-describe "Polygonize" do
-  context "空テキスト" do
-    it "空テキストは何も返さない" do
-      "".coordinates.should eql ""
+describe "Polygonizeモジュールをインクルードする" do
+  describe ":coordinates メソッド" do
+    context "空テキスト" do
+      it "は何も返さない" do
+        "".coordinates.should eql ""
+      end
     end
-  end
   
-  context "テキスト" do
-    txt = "こんにちは"
-    it "はxy座標の文字列を返す" do
-      txt.coordinates.should eql "48,83 48,147 48,107 48,97 48,111"
+    context "Stringのメソッドである" do
+      it "Fixnumはエラーになる" do
+        proc {
+          123.coordinates
+        }.should raise_error
+      end
+    
+      it "Arrayはエラーになる" do
+        proc {
+          ["foo","bar"].coordinates
+          }.should raise_error
+      end
     end
 
-    it "要素は偶数個である" do
-      ar = txt.coordinates.split(" ").inject([]) { |mem, x| mem << x.split(",") }
-      (ar.flatten.size%2).should eql 0
-    end
+    context "テキスト" do
+      txt = "こんにちは"
+      it "はxy座標の文字列を返す" do
+        txt.coordinates.should eql "48,83 48,147 48,107 48,97 48,111"
+      end
+
+      it "要素は偶数個である" do
+        ar = txt.coordinates.split(" ").inject([]) { |mem, x| mem << x.split(",") }
+        (ar.flatten.size%2).should eql 0
+      end
     
-    it "各要素は255(FF)以下である" do
-      txt.coordinates.split(" ").flatten.reject! { |x| x.to_i < 255}
+      it "各要素は255(FF)以下である" do
+        ret = txt.coordinates.split(" ").flatten.reject! { |x| x.to_i < 255}
+        ret.should eql []
+      end
     end
-  end
 
-  context "1バイトテキスト" do
-    txt_e = "x"
-    it "ゼロで補完する" do
-      txt_e.coordinates.split(",")[1].should eql "0"
-    end
+    context "1バイトテキスト" do
+      txt_e = "x"
+      it "は奇数要素、ゼロで補完する" do
+        txt_e.coordinates.split(",")[1].should eql "0"
+      end
     
-    it "x = 0x78" do
-      txt_e.coordinates.split(",")[0].should eql "78".hex.to_s
+      it "#{txt_e}の文字コードは0x78である" do
+        txt_e.coordinates.split(",")[0].should eql "78".hex.to_s
+      
+      end
+      it "0x78 = 120である" do
+        txt_e.coordinates.split(",")[0].should eql "120"
+      end
     end
-  end
   
-  context "メソッド" do
-    it "coordinatesは Stringのインスタンスメソッドがある" do
-      String.instance_methods.grep(/^coordinates/).should eql [:coordinates]
-    end
+    context "メソッド" do
+      it ":coordinatesは Stringのインスタンスメソッドがある" do
+        String.instance_methods.grep(/^coordinates/).should eql [:coordinates]
+      end
+    end    
   end
+
 end
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