deprecate TO_FILE and make all private methods private

Author: grosser

lib/code_climate/test_reporter/formatter.rb

@@ -19,7 +19,7 @@ def format(result)
 
         payload = to_payload(result)
         PayloadValidator.validate(payload)
-        if tddium? || ENV["TO_FILE"]
+        if write_to_file?
           file_path = File.join(Dir.tmpdir, "codeclimate-test-coverage-#{SecureRandom.uuid}.json")
           print "Coverage results saved to #{file_path}... "
           File.open(file_path, "w") { |file| file.write(payload.to_json) }
@@ -36,6 +36,8 @@ def format(result)
         false
       end
 
+    private
+
       def partial?
         tddium?
       end
@@ -81,7 +83,6 @@ def to_payload(result)
         }
       end
 
-
       def short_filename(filename)
         return filename unless ::SimpleCov.root
         filename = filename.gsub(::SimpleCov.root, '.').gsub(/^\.\//, '')
@@ -98,7 +99,10 @@ def round(numeric, precision)
         Float(numeric).round(precision)
       end
 
-      private
+      def write_to_file?
+        warn "TO_FILE is deprecated, use CODECLIMATE_TO_FILE" if ENV["TO_FILE"]
+        tddium? || ENV["CODECLIMATE_TO_FILE"] || ENV["TO_FILE"]
+      end
 
       def apply_prefix filename
         prefix = CodeClimate::TestReporter.configuration.path_prefix

spec/lib/formatter_spec.rb

@@ -108,8 +108,8 @@ module CodeClimate::TestReporter
 
     describe '#short_filename' do
       it 'should return the filename of the file relative to the SimpleCov root' do
-        expect(formatter.short_filename('file1')).to eq('file1')
-        expect(formatter.short_filename("#{::SimpleCov.root}/file1")).to eq('file1')
+        expect(formatter.send(:short_filename, 'file1')).to eq('file1')
+        expect(formatter.send(:short_filename, "#{::SimpleCov.root}/file1")).to eq('file1')
       end
 
       context "with path prefix" do
@@ -126,8 +126,8 @@ module CodeClimate::TestReporter
         end
 
         it 'should include the path prefix if set' do
-          expect(formatter.short_filename('file1')).to eq('custom/file1')
-          expect(formatter.short_filename("#{::SimpleCov.root}/file1")).to eq('custom/file1')
+          expect(formatter.send(:short_filename, 'file1')).to eq('custom/file1')
+          expect(formatter.send(:short_filename, "#{::SimpleCov.root}/file1")).to eq('custom/file1')
         end
       end
     end