approvals_spec.rb in approvals-0.0.24

- old
+ new

@@ -49,10 +49,36 @@
     end
 
     Approvals.verify hello, :namer => namer
   end
 
+  context "custom writer" do
+    let(:hello) { Object.new }
+
+    class MyCustomWriter < Approvals::Writers::TextWriter
+      def format(data)
+        filter(data)
+      end
+
+      def filter(data)
+        data.to_s.chars.reject {|c| c =~ /[a-zA-Z0-9]/}
+      end
+    end
+
+    it "verifies a complex object" do
+      Approvals.verify hello, :namer => namer, :format => "MyCustomWriter"
+    end
+
+    it "raises an error with an uninitialized custom writer class" do
+      expect{
+        Approvals.verify hello, :namer => namer, :format => "UninitializedWriter"
+      }.to raise_error.with_message(
+        /Please define a custom writer as outlined in README section 'Customizing formatted output':/
+      )
+    end
+ end
+
   it "verifies html" do
     html = <<-HTML
     <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "DTD/xhtml1-strict.dtd"><html><head><title>Approval</title></head><body><h1>An Approval</h1><p>It has a paragraph</p></body></html>
     HTML
     Approvals.verify html, :format => :html, :namer => namer
@@ -77,9 +103,14 @@
   it "verifies json" do
     json = '{"pet":{"species":"turtle","color":"green","name":"Anthony"}}'
     Approvals.verify json, :format => :json, :namer => namer
   end
 
+  it "ignores whitespace differences in json" do
+    hash = { foo: {} }
+
+    Approvals.verify hash, :format => :json, :namer => namer
+  end
 
   it "verifies json and is newline agnostic" do
     json = '{"pet":{"species":"turtle","color":"green","name":"Anthony"}}'
     Approvals.verify json, :format => :json, :namer => namer
   end