test/test_csi.rb in csi-0.1.0 vs test/test_csi.rb in csi-0.2.0

@@ -3,13 +3,41 @@
 class TestCsi < Test::Unit::TestCase
   should "find a NAICS classification for 1123" do
     assert_equal CSI::lookup_naics(1123), 'Poultry and Egg Production'
   end
 
-  should "non find a NAICS classification for 0000" do
+  should "not find a NAICS classification for 0000" do
     assert_equal CSI::lookup_naics(0000), nil
   end
 
-  should "not find a NAICS classification for nil" do
-    assert_equal CSI::lookup_naics(nil), nil
+  should "raise an error finding a NAICS classification for nil" do
+    assert_raise TypeError do
+      CSI::lookup_naics(nil)
+    end
+  end
+
+  should "raise an error finding a NAICS classification for strings" do
+    assert_raise TypeError do
+      CSI::lookup_naics("1123")
+    end
+  end
+
+  should "find a SIC classification for 8041" do
+    assert_equal CSI::lookup_sic(8041), 'Offices and Clinics of Chiropractors'
+  end
+
+  should "not find a SIC classification for 0000" do
+    assert_equal CSI::lookup_sic(0000), nil
+  end
+
+  should "raise an error finding a SIC classification for nil" do
+    assert_raise TypeError do
+      CSI::lookup_sic(nil)
+    end
+  end
+
+  should "raise an error finding a SIC classification for strings" do
+    assert_raise TypeError do
+      CSI::lookup_sic("8041")
+    end
   end
 end