spec/nestene/storage_spec.rb in nestene-0.2.0 vs spec/nestene/storage_spec.rb in nestene-0.2.1

@@ -21,14 +21,14 @@
 
     let(:tmpdir) {Dir.mktmpdir}
 
     after{FileUtils.remove_entry_secure tmpdir}
 
+    subject {DiskStorage.new(tmpdir)}
+
     describe :list do
 
-      subject {DiskStorage.new(tmpdir)}
-
       context "when there is nothing in the storage" do
         it "should return empty list" do
           expect(subject.list).to eq([])
         end
       end
@@ -42,12 +42,10 @@
       end
     end
 
     describe :load do
 
-      subject {DiskStorage.new(tmpdir)}
-
       context "when the object does not exist" do
         it "should return nil" do
           expect(subject.load('whatever')).to be_nil
         end
       end
@@ -60,44 +58,57 @@
       end
 
     end
 
     describe :store do
-      subject {DiskStorage.new(tmpdir)}
-
-      it "stores structure" do
+      it "should store structure" do
         subject.store('test',{})
         expect(subject.load('test')).to eq({})
       end
+
+      context "when structure is nil" do
+        it 'should delete the entry' do
+          subject.store('test',{})
+          subject.store('test',nil)
+          expect(subject.load('test')).to eq(nil)
+          expect(subject.list).to_not include('test')
+        end
+      end
     end
 
+    describe :delete do
+      it "deletes existing strucuture" do
+        subject.store('test',{})
+        subject.delete('test')
+        expect(subject.load('test')).to eq(nil)
+        expect(subject.list).to_not include('test')
+      end
+    end
+
   end
 
   describe MemoryStorage do
-    describe :list do
 
-      subject {MemoryStorage.new}
+    subject {MemoryStorage.new}
 
+    describe :list do
+
       context "when there is nothing in the storage" do
         it "should return empty list" do
           expect(subject.list).to eq([])
         end
       end
 
       context "when there is at least one object in the storage" do
         before {subject.store("test",{})}
-
         it "should return list of existing objects" do
           expect(subject.list).to eq(['test'])
         end
       end
     end
 
     describe :load do
-
-      subject {MemoryStorage.new}
-
       context "when the object does not exist" do
         it "should return nil" do
           expect(subject.load('whatever')).to be_nil
         end
       end
@@ -106,19 +117,35 @@
         before {subject.store('test',{})}
         it "should return object's structure" do
           expect(subject.load('test')).to eq({})
         end
       end
-
     end
 
 
     describe :store do
-      subject {MemoryStorage.new}
-
-      it "stores structure" do
+      it "should store structure" do
         subject.store('test',{})
         expect(subject.load('test')).to eq({})
+      end
+
+      context "when structure is nil" do
+        it 'should delete the entry' do
+          subject.store('test',{})
+          subject.store('test',nil)
+          expect(subject.load('test')).to eq(nil)
+          expect(subject.list).to_not include('test')
+        end
+      end
+
+    end
+
+    describe :delete do
+      it "deletes existing strucuture" do
+        subject.store('test',{})
+        subject.delete('test')
+        expect(subject.load('test')).to eq(nil)
+        expect(subject.list).to_not include('test')
       end
     end
 
   end
 end
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