Fix typo in error messages (#1193)

Signed-off-by: Ivan Milošević <iva@blokovi.com>

pkg/transformers/senml/transformer.go

@@ -19,7 +19,7 @@ const (
 
 var (
 	errDecode    = errors.New("failed to decode senml")
-	errNormalize = errors.New("faled to normalize senml")
+	errNormalize = errors.New("failed to normalize senml")
 )
 
 var formats = map[string]senml.Format{

readers/cassandra/messages.go

@@ -12,7 +12,7 @@ import (
 	"github.com/mainflux/mainflux/readers"
 )
 
-var errReadMessages = errors.New("faled to read messages from cassandra database")
+var errReadMessages = errors.New("failed to read messages from cassandra database")
 
 var _ readers.MessageRepository = (*cassandraRepository)(nil)
 

readers/influxdb/messages.go

@@ -17,7 +17,7 @@ import (
 
 const countCol = "count"
 
-var errReadMessages = errors.New("faled to read messages from influxdb database")
+var errReadMessages = errors.New("failed to read messages from influxdb database")
 
 var _ readers.MessageRepository = (*influxRepository)(nil)
 

readers/mongodb/messages.go

@@ -16,7 +16,7 @@ import (
 
 const collection = "mainflux"
 
-var errReadMessages = errors.New("faled to read messages from mongodb database")
+var errReadMessages = errors.New("failed to read messages from mongodb database")
 
 var _ readers.MessageRepository = (*mongoRepository)(nil)
 

readers/postgres/messages.go

@@ -14,7 +14,7 @@ import (
 
 const errInvalid = "invalid_text_representation"
 
-var errReadMessages = errors.New("faled to read messages from postgres database")
+var errReadMessages = errors.New("failed to read messages from postgres database")
 
 var _ readers.MessageRepository = (*postgresRepository)(nil)
 

writers/cassandra/messages.go

@@ -10,7 +10,7 @@ import (
 	"github.com/mainflux/mainflux/writers"
 )
 
-var errSaveMessage = errors.New("faled to save message to cassandra database")
+var errSaveMessage = errors.New("failed to save message to cassandra database")
 
 var _ writers.MessageRepository = (*cassandraRepository)(nil)
 

writers/influxdb/messages.go

@@ -17,7 +17,7 @@ import (
 
 const pointName = "messages"
 
-var errSaveMessage = errors.New("faled to save message to influxdb database")
+var errSaveMessage = errors.New("failed to save message to influxdb database")
 
 var _ writers.MessageRepository = (*influxRepo)(nil)
 

writers/mongodb/messages.go

@@ -15,7 +15,7 @@ import (
 
 const collectionName string = "mainflux"
 
-var errSaveMessage = errors.New("faled to save message to mongodb database")
+var errSaveMessage = errors.New("failed to save message to mongodb database")
 
 var _ writers.MessageRepository = (*mongoRepo)(nil)