Added label objects

[erd-marker.git] / spec / erd_handler / label_spec.rb

diff --git a/spec/erd_handler/label_spec.rb b/spec/erd_handler/label_spec.rb
new file mode 100644 (file)
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+++ b/spec/erd_handler/label_spec.rb
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+require 'spec_helper'
+
+module ErdHandler
+  describe Label do
+    describe '#original' do
+      it "reports the string it was initialised with" do
+        test_label = "Test label"
+        l1 = Label.new test_label
+        l1.original.should == test_label
+      end
+    end # original
+
+    describe '#processed' do
+      it "reports the original if no processing has been done" do
+        test_label = "Test label"
+        l1 = Label.new test_label
+        l1.processed.should == [test_label]
+        l1.original.should == test_label
+      end
+    end # processed
+
+    describe '#split' do
+      it "splits the original on the specified regexp" do
+        l1 = Label.new "Test label"
+        l1.split(/ /)
+        l1.processed.should == ["Test", "label"]
+        l1.original.should == "Test label"
+        
+        l1 = Label.new "Test_label"
+        l1.split(/_/)
+        l1.processed.should == ["Test", "label"]
+        
+        l1 = Label.new "Test label_string"
+        l1.split(/[ _]/)
+        l1.processed.should == ["Test", "label", "string"]
+      end
+      
+      it "splits the original on camel case" do
+        l1 = Label.new "TestLabel"
+        l1.split :camel_case => true
+        l1.processed.should == ["Test", "Label"]
+        l1.original.should == "TestLabel"
+
+        l2 = Label.new "testLabel"
+        l2.split :camel_case => true
+        l2.processed.should == ["test", "Label"]
+        l2.original.should == "testLabel"
+      end
+
+      it "doesn't split the original on camel case if asked not to" do
+        l1 = Label.new "TestLabel"
+        l1.split :camel_case => false
+        l1.processed.should == ["TestLabel"]
+        l1.original.should == "TestLabel"
+        
+        l2 = Label.new "TestLabel"
+        l2.split :camel_case => nil
+        l2.processed.should == ["TestLabel"]
+        l2.original.should == "TestLabel"
+      end
+      
+      it "splits the original using a default regexp" do
+        l1 = Label.new "Test label_string"
+        l1.split
+        l1.processed.should == ["Test", "label", "string"]
+      end
+      
+      it "splits the original on camel case by default" do
+        l1 = Label.new "TestLabel"
+        l1.split
+        l1.processed.should == ["Test", "Label"]
+        l1.original.should == "TestLabel"
+      end
+
+      it "splits the original on punctuation and camel case by default" do
+        l1 = Label.new "TestLabel is_split, he,said"
+        l1.split
+        l1.processed.should == ["Test", "Label", "is", "split", "he", "said"]
+        l1.original.should == "TestLabel is_split, he,said"
+      end
+
+      it "is idempotent" do
+        l1 = Label.new "TestLabel is_split, he,said"
+        res1 = l1.split.dup
+        res2 = l1.split
+        res1.processed.should == res2.processed
+        l1.original.should == "TestLabel is_split, he,said"
+      end
+    end # split
+
+    describe "#downcase" do
+      it "downcases all parts of the processed label" do
+        l1 = Label.new "Test label_string"
+        l1.split.downcase
+        l1.processed.should == ["test", "label", "string"]
+      end
+    end # downcase
+    
+    describe "#stem" do
+      it "stems all parts of the processed label" do
+        l1 = Label.new "testing labeller string pontificated"
+        l1.split.stem
+        l1.processed.should == ["test", "label", "string", "pontif"]
+      end
+    end # stem
+    
+    describe "#tidy" do
+      it "tidies a label" do
+        l1 = Label.new "testingLabeller string, he_pontificated"
+        l2 = Label.new l1.original
+        l1.tidy
+        l2.split.downcase.stem
+        l1.processed.should == l2.processed
+
+      end
+    end # tidy
+    
+  end
+end