open-consul/internal/resource/registry_test.go

93 lines
2.2 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package resource
import (
"testing"
"github.com/hashicorp/consul/proto-public/pbresource"
"github.com/stretchr/testify/assert"
)
func TestRegister(t *testing.T) {
r := NewRegistry()
serviceType := &pbresource.Type{
Group: "mesh",
GroupVersion: "v1",
Kind: "service",
}
// register
serviceRegistration := Registration{Type: serviceType}
r.Register(serviceRegistration)
// register existing should panic
assertRegisterPanics(t, r.Register, serviceRegistration, "resource type mesh/v1/service already registered")
// register empty Group should panic
assertRegisterPanics(t, r.Register, Registration{
Type: &pbresource.Type{
Group: "",
GroupVersion: "v1",
Kind: "service",
},
}, "type field(s) cannot be empty")
// register empty GroupVersion should panic
assertRegisterPanics(t, r.Register, Registration{
Type: &pbresource.Type{
Group: "mesh",
GroupVersion: "",
Kind: "service",
},
}, "type field(s) cannot be empty")
// register empty Kind should panic
assertRegisterPanics(t, r.Register, Registration{
Type: &pbresource.Type{
Group: "mesh",
GroupVersion: "v1",
Kind: "",
},
}, "type field(s) cannot be empty")
}
func assertRegisterPanics(t *testing.T, registerFn func(reg Registration), registration Registration, panicString string) {
defer func() {
if r := recover(); r == nil {
t.Errorf("expected panic, but none occurred")
} else {
errstr, ok := r.(string)
if !ok {
t.Errorf("unexpected error type returned from panic")
} else if errstr != panicString {
t.Errorf("expected %s error message but got: %s", panicString, errstr)
}
}
}()
registerFn(registration)
}
func TestResolve(t *testing.T) {
r := NewRegistry()
serviceType := &pbresource.Type{
Group: "mesh",
GroupVersion: "v1",
Kind: "service",
}
// not found
_, ok := r.Resolve(serviceType)
assert.False(t, ok)
// found
r.Register(Registration{Type: serviceType})
registration, ok := r.Resolve(serviceType)
assert.True(t, ok)
assert.Equal(t, registration.Type, serviceType)
}