add get assignment methods with context (#77)

* add get assignment methods with context

* add deprecation comment

Author: jtheopillus

eppoclient/assignmentlogger.go

@@ -1,11 +1,20 @@
 package eppoclient
 
-import "fmt"
+import (
+	"context"
+	"fmt"
+)
 
+// IAssignmentLogger is be deprecated at next major version
+// and replaced by IAssignmentLoggerContext
 type IAssignmentLogger interface {
 	LogAssignment(event AssignmentEvent)
 }
 
+type IAssignmentLoggerContext interface {
+	LogAssignment(context.Context, AssignmentEvent)
+}
+
 // BanditActionLogger is going to be merged into IAssignmentLogger in
 // the next major version.
 type BanditActionLogger interface {

eppoclient/bandits_test.go

@@ -61,7 +61,7 @@ func Test_bandits_sdkTestData(t *testing.T) {
 	logger := new(mockLogger)
 	logger.Mock.On("LogAssignment", mock.Anything).Return()
 	logger.Mock.On("LogBanditAction", mock.Anything).Return()
-	client := newEppoClient(configStore, nil, nil, logger, applicationLogger)
+	client := newEppoClient(configStore, nil, nil, logger, nil, applicationLogger)
 
 	tests := readJsonDirectory[banditTest]("test-data/ufc/bandit-tests/")
 	for file, test := range tests {