Merge 70a01ce into efe042a

wcc-contentful/lib/wcc/contentful/store/postgres_store.rb

@@ -34,6 +34,8 @@ def keys
       arr = []
       result.each { |r| arr << r['id'].strip }
       arr
+    rescue PG::ConnectionBad
+      []
     end
 
     def delete(key)
@@ -48,6 +50,8 @@ def find(key, **_options)
       return if result.num_tuples == 0
 
       JSON.parse(result.getvalue(0, 1))
+    rescue PG::ConnectionBad
+      nil
     end
 
     def find_all(content_type:, options: nil)
@@ -131,6 +135,8 @@ def resolve
 
         statement = 'SELECT * FROM contentful_raw ' + @statement
         @resolved = @connection_pool.with { |conn| conn.exec(statement, @params) }
+      rescue PG::ConnectionBad
+        []
       end
 
       def push_param(param, params)

wcc-contentful/spec/wcc/contentful/store/postgres_store_spec.rb

@@ -49,4 +49,39 @@
     # assert
     expect(results).to eq([data, data, data])
   end
+
+  context 'db does not exist' do
+    subject {
+      WCC::Contentful::Store::PostgresStore.new(double('Configuration'),
+        { dbname: 'asdf' }, size: 5)
+    }
+
+    it '#set raises error' do
+      expect {
+        subject.set('foo', { 'key' => 'val' })
+      }.to raise_error(PG::ConnectionBad)
+    end
+
+    it '#delete raises error' do
+      expect {
+        subject.delete('foo')
+      }.to raise_error(PG::ConnectionBad)
+    end
+
+    # DB should not need to exist in order to run rake db:setup
+    it '#find returns nil' do
+      result = subject.find('foo')
+      expect(result).to be nil
+    end
+
+    it '#find_all returns empty' do
+      result = subject.find_all(content_type: 'foo').to_a
+      expect(result).to eq([])
+    end
+
+    it '#keys returns empty' do
+      result = subject.keys.to_a
+      expect(result).to eq([])
+    end
+  end
 end