rubocop fixes

app/adapters/db_adapter.rb

@@ -19,7 +19,8 @@ class DbAdapter
 
       # Create the schema:
       # 3 elements: path, attributes, streams
-      { path:       entry[0],
+      {
+        path:       entry[0],
         attributes: {
           data_type:  entry[1],
           start_time: entry[2] || 0,

app/services/db_folder/update_folder.rb

@@ -21,7 +21,8 @@ class UpdateFolder
     # update the folder attributes from metadata
     info = __read_info_entry(@entries) || {}
     @folder.update_attributes(
-      info.slice(*DbFolder.defined_attributes))
+      info.slice(*DbFolder.defined_attributes)
+    )
     # process the contents of the folder
     __parse_folder_entries(@folder, @entries)
     # delete any files or folders still in the
@@ -114,7 +115,7 @@ class UpdateFolder
     # if any entry_group has chunks left, this is a folder
     entry_group.select { |entry|
       !entry[:chunks].empty?
-    }.count == 0
+    }.count.zero?
   end
 
   # create or update a DbFile object at the

spec/adapters/db_adapter_spec.rb

@@ -11,7 +11,8 @@ describe DbAdapter do
       expect(entry).to include(:path, :attributes)
       expect(entry[:attributes]).to(
         include(:data_type, :start_time,
-                :end_time, :total_rows, :total_time))
+                :end_time, :total_rows, :total_time)
+      )
     end
   end
 end

spec/factories/db_schema_helper.rb

@@ -12,20 +12,23 @@ class DbSchemaHelper
         start_time: 0,
         end_time: 0,
         total_rows: 0,
-        total_time: 0 }.merge(metadata),
+        total_time: 0
+      }.merge(metadata),
       streams: __build_streams(stream_count)
     }
   end
 
   # build stream hash for a file
   def __build_streams(count)
-    return {} unless count > 0
+    return {} unless count.positive?
     streams = []
     (0..(count - 1)).each do |i|
       streams <<
-        { 'name': "stream#{i}",
+        {
+          'name': "stream#{i}",
           'units':  'unit',
-          'column': i }
+          'column': i
+        }
     end
     streams
   end

spec/models/db_spec.rb

@@ -21,9 +21,9 @@ RSpec.describe 'Db' do
       expect(db_x.url).to eq('custom_string')
     end
     it 'can be left as default' do
-      nilm = Nilm.create(url: "base")
+      nilm = Nilm.create(url: 'base')
       db_x = Db.new(nilm: nilm, url: '')
-      expect(db_x.url).to eq("base/nilmdb")
+      expect(db_x.url).to eq('base/nilmdb')
     end
   end
 end

spec/services/db/update_db_spec.rb

@@ -129,15 +129,14 @@ describe 'UpdateDb' do
         # create Db with a file 'temp'
         update_with_schema([helper.entry('/folder1/temp'),
                             helper.entry('/folder1/info',
-                                         metadata: { name: 'f1' })
-                            ])
+                                         metadata: { name: 'f1' })])
         temp = DbFile.find_by_name('temp')
         # the file 'temp' should be here
         expect(temp).to be_present
         # update Db without 'temp'
         update_with_schema([helper.entry('/folder1/info',
-                                         metadata: { name: 'f1' })
-                            ], db: @db)
+                                         metadata: { name: 'f1' })],
+                           db: @db)
         # it should be gone
         expect(DbFile.find_by_name('temp')).to be nil
         # ...and the service should have a warning
@@ -147,8 +146,7 @@ describe 'UpdateDb' do
         # create Db with a folder 'temp'
         update_with_schema([helper.entry('/folder1/stub'),
                             helper.entry('/folder1/temp/info',
-                                         metadata: { name: 'temp' })
-                            ])
+                                         metadata: { name: 'temp' })])
         temp = DbFolder.find_by_name('temp')
         # the file 'temp' should be here
         expect(temp).to be_present

spec/services/service_status_spec.rb

@@ -54,16 +54,16 @@ describe 'ServiceStatus' do
       child.add_warning('test')
       expect(
         parent.absorb_status(child,
-                             action: ServiceStatus::NEVER_FAIL))
-        .to be true
+                             action: ServiceStatus::NEVER_FAIL)
+      ).to be true
     end
 
     it 'fails on errors and warnings with FAIL_ON_WARNING' do
       child.add_warning('test')
       expect(
         parent.absorb_status(child,
-                             action: ServiceStatus::FAIL_ON_WARNING))
-        .to be false
+                             action: ServiceStatus::FAIL_ON_WARNING)
+      ).to be false
     end
     it 'fails on errors with FAIL_ON_ERROR' do
       child.add_error('test')