[#280] ir: Add governance processor unit tests

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>

pkg/innerring/processors/governance/processor.go

@@ -53,20 +53,39 @@ type (
 		InnerRingKeys() (keys.PublicKeys, error)
 	}
 
+	FrostFSClient interface {
+		AlphabetUpdate(p frostfscontract.AlphabetUpdatePrm) error
+	}
+
+	NetmapClient interface {
+		UpdateInnerRing(p nmClient.UpdateIRPrm) error
+	}
+
+	MainnetClient interface {
+		NeoFSAlphabetList() (res keys.PublicKeys, err error)
+		GetDesignateHash() util.Uint160
+	}
+
+	MorphClient interface {
+		Committee() (res keys.PublicKeys, err error)
+		UpdateNeoFSAlphabetList(prm client.UpdateAlphabetListPrm) error
+		UpdateNotaryList(prm client.UpdateNotaryListPrm) error
+	}
+
 	// Processor of events related to governance in the network.
 	Processor struct {
 		log           *logger.Logger
 		pool          *ants.Pool
-		frostfsClient *frostfscontract.Client
-		netmapClient  *nmClient.Client
+		frostfsClient FrostFSClient
+		netmapClient  NetmapClient
 
 		alphabetState AlphabetState
 		epochState    EpochState
 		voter         Voter
 		irFetcher     IRFetcher
 
-		mainnetClient *client.Client
-		morphClient   *client.Client
+		mainnetClient MainnetClient
+		morphClient   MorphClient
 
 		notaryDisabled bool
 
@@ -82,10 +101,10 @@ type (
 		Voter         Voter
 		IRFetcher     IRFetcher
 
-		MorphClient   *client.Client
-		MainnetClient *client.Client
-		FrostFSClient *frostfscontract.Client
-		NetmapClient  *nmClient.Client
+		MorphClient   MorphClient
+		MainnetClient MainnetClient
+		FrostFSClient FrostFSClient
+		NetmapClient  NetmapClient
 
 		NotaryDisabled bool
 	}