chore(all): return concrete types, accept interfaces

- Remove exported interfaces unused locally
- Define interfaces to accept arguments
- Return concrete types, not interfaces

internal/provider/common/mocks.go

@@ -1,5 +1,5 @@
 // Code generated by MockGen. DO NOT EDIT.
-// Source: github.com/qdm12/gluetun/internal/provider/common (interfaces: ParallelResolver,Storage)
+// Source: github.com/qdm12/gluetun/internal/provider/common (interfaces: ParallelResolver,Storage,Unzipper)
 
 // Package common is a generated GoMock package.
 package common
@@ -105,3 +105,41 @@ func (mr *MockStorageMockRecorder) GetServerByName(arg0, arg1 interface{}) *gomo
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetServerByName", reflect.TypeOf((*MockStorage)(nil).GetServerByName), arg0, arg1)
 }
+
+// MockUnzipper is a mock of Unzipper interface.
+type MockUnzipper struct {
+	ctrl     *gomock.Controller
+	recorder *MockUnzipperMockRecorder
+}
+
+// MockUnzipperMockRecorder is the mock recorder for MockUnzipper.
+type MockUnzipperMockRecorder struct {
+	mock *MockUnzipper
+}
+
+// NewMockUnzipper creates a new mock instance.
+func NewMockUnzipper(ctrl *gomock.Controller) *MockUnzipper {
+	mock := &MockUnzipper{ctrl: ctrl}
+	mock.recorder = &MockUnzipperMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockUnzipper) EXPECT() *MockUnzipperMockRecorder {
+	return m.recorder
+}
+
+// FetchAndExtract mocks base method.
+func (m *MockUnzipper) FetchAndExtract(arg0 context.Context, arg1 string) (map[string][]byte, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "FetchAndExtract", arg0, arg1)
+	ret0, _ := ret[0].(map[string][]byte)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// FetchAndExtract indicates an expected call of FetchAndExtract.
+func (mr *MockUnzipperMockRecorder) FetchAndExtract(arg0, arg1 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "FetchAndExtract", reflect.TypeOf((*MockUnzipper)(nil).FetchAndExtract), arg0, arg1)
+}