spec/logging_spec.rb in ougai-1.6.3 vs spec/logging_spec.rb in ougai-1.6.4

@@ -1,18 +1,54 @@
 require 'spec_helper'
 
 describe Ougai::Logging do
-  describe '#weak_merge!' do
-    let(:target) { m = described_class; Class.new{ include m }.new }
+  subject do
+    m = described_class
+    Class.new { include m }.new
+  end
 
+  describe '#weak_merge!' do
     it 'merges with unique elements in array' do
       result = nil
-      target.instance_eval do
+      subject.instance_eval do
         result = weak_merge!({ foo: [1, 2], bar: 'base', baz: ['A'] },
                              { foo: [2, 3], bar: 'inferior', baz: ['B'] })
       end
       expect(result[:foo]).to eq([2, 3, 1])
       expect(result[:bar]).to eq('base')
       expect(result[:baz]).to eq(['B', 'A'])
+    end
+  end
+
+  describe '#child' do
+    let!(:fields) { double('fields') }
+    let!(:child_logger) { double('child logger') }
+
+    context 'block is not given' do
+      it 'returns child logger' do
+        expect(Ougai::ChildLogger).to receive(:new).with(subject, fields).and_return(child_logger)
+        expect(subject.child(fields)).to eq(child_logger)
+      end
+    end
+
+    context 'block is given' do
+      it 'passes child logger' do
+        expect(Ougai::ChildLogger).to receive(:new).with(subject, fields).and_return(child_logger)
+        subject.child(fields) do |cl|
+          expect(cl).to eq(child_logger)
+        end
+      end
+    end
+  end
+
+  describe '#chain' do
+    it 'is not implemented' do
+      expect{ subject.chain(:arg1, :arg2, :arg3, :arg4) }.to raise_error(NotImplementedError)
+    end
+  end
+
+  describe '#append' do
+    it 'is not implemented' do
+      expect{ subject.send(:append, :arg1, :arg2) }.to raise_error(NotImplementedError)
     end
   end
 end