mirror of https://github.com/hashicorp/consul
357 lines
11 KiB
Go
357 lines
11 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package bimapper
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import (
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"context"
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"testing"
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"github.com/stretchr/testify/require"
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"github.com/hashicorp/consul/internal/controller"
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"github.com/hashicorp/consul/internal/resource"
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rtest "github.com/hashicorp/consul/internal/resource/resourcetest"
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"github.com/hashicorp/consul/proto-public/pbresource"
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"github.com/hashicorp/consul/proto/private/prototest"
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)
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const (
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fakeGroupName = "catalog"
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fakeVersion = "v1"
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)
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var (
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fakeFooType = &pbresource.Type{
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Group: fakeGroupName,
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GroupVersion: fakeVersion,
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Kind: "Foo",
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}
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fakeBarType = &pbresource.Type{
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Group: fakeGroupName,
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GroupVersion: fakeVersion,
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Kind: "Bar",
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}
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)
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func TestMapper(t *testing.T) {
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// Create an advance pointer to some services.
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randoSvc := rtest.Resource(fakeBarType, "rando").Build()
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apiSvc := rtest.Resource(fakeBarType, "api").Build()
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fooSvc := rtest.Resource(fakeBarType, "foo").Build()
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barSvc := rtest.Resource(fakeBarType, "bar").Build()
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wwwSvc := rtest.Resource(fakeBarType, "www").Build()
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apiRef := newRef(fakeBarType, "api")
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fooRef := newRef(fakeBarType, "foo")
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barRef := newRef(fakeBarType, "bar")
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wwwRef := newRef(fakeBarType, "www")
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fail1 := rtest.Resource(fakeFooType, "api").Build()
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fail1Refs := []resource.ReferenceOrID{
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apiRef,
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fooRef,
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barRef,
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}
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fail2 := rtest.Resource(fakeFooType, "www").Build()
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fail2Refs := []resource.ReferenceOrID{
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wwwRef,
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fooRef,
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}
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fail1UpdatedRefs := []resource.ReferenceOrID{
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apiRef,
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barRef,
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}
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m := New(fakeFooType, fakeBarType)
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// Nothing tracked yet so we assume nothing.
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requireLinksForItem(t, m, fail1.Id)
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requireLinksForItem(t, m, fail2.Id)
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requireItemsForLink(t, m, apiRef)
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requireItemsForLink(t, m, fooRef)
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requireItemsForLink(t, m, barRef)
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requireItemsForLink(t, m, wwwRef)
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requireServicesTracked(t, m, randoSvc)
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requireServicesTracked(t, m, apiSvc)
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requireServicesTracked(t, m, fooSvc)
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requireServicesTracked(t, m, barSvc)
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requireServicesTracked(t, m, wwwSvc)
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// no-ops
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m.UntrackItem(fail1.Id)
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// still nothing
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requireLinksForItem(t, m, fail1.Id)
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requireLinksForItem(t, m, fail2.Id)
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requireItemsForLink(t, m, apiRef)
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requireItemsForLink(t, m, fooRef)
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requireItemsForLink(t, m, barRef)
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requireItemsForLink(t, m, wwwRef)
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requireServicesTracked(t, m, randoSvc)
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requireServicesTracked(t, m, apiSvc)
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requireServicesTracked(t, m, fooSvc)
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requireServicesTracked(t, m, barSvc)
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requireServicesTracked(t, m, wwwSvc)
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// Actually insert some data.
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m.TrackItem(fail1.Id, fail1Refs)
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// Check links mapping
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requireLinksForItem(t, m, fail1.Id, fail1Refs...)
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requireLinksForItem(t, m, fail1.Id, fail1Refs...)
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requireItemsForLink(t, m, apiRef, fail1.Id)
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requireItemsForLink(t, m, fooRef, fail1.Id)
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requireItemsForLink(t, m, barRef, fail1.Id)
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requireItemsForLink(t, m, wwwRef)
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requireServicesTracked(t, m, randoSvc)
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requireServicesTracked(t, m, apiSvc, fail1.Id)
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requireServicesTracked(t, m, fooSvc, fail1.Id)
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requireServicesTracked(t, m, barSvc, fail1.Id)
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requireServicesTracked(t, m, wwwSvc)
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// track it again, no change
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m.TrackItem(fail1.Id, fail1Refs)
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requireLinksForItem(t, m, fail1.Id, fail1Refs...)
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requireItemsForLink(t, m, apiRef, fail1.Id)
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requireItemsForLink(t, m, fooRef, fail1.Id)
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requireItemsForLink(t, m, barRef, fail1.Id)
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requireItemsForLink(t, m, wwwRef)
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requireServicesTracked(t, m, randoSvc)
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requireServicesTracked(t, m, apiSvc, fail1.Id)
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requireServicesTracked(t, m, fooSvc, fail1.Id)
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requireServicesTracked(t, m, barSvc, fail1.Id)
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requireServicesTracked(t, m, wwwSvc)
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// track new one that overlaps slightly
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m.TrackItem(fail2.Id, fail2Refs)
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// Check links mapping for the new one
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requireLinksForItem(t, m, fail1.Id, fail1Refs...)
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requireLinksForItem(t, m, fail2.Id, fail2Refs...)
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requireItemsForLink(t, m, apiRef, fail1.Id)
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requireItemsForLink(t, m, fooRef, fail1.Id, fail2.Id)
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requireItemsForLink(t, m, barRef, fail1.Id)
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requireItemsForLink(t, m, wwwRef, fail2.Id)
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requireServicesTracked(t, m, randoSvc)
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requireServicesTracked(t, m, apiSvc, fail1.Id)
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requireServicesTracked(t, m, fooSvc, fail1.Id, fail2.Id)
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requireServicesTracked(t, m, barSvc, fail1.Id)
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requireServicesTracked(t, m, wwwSvc, fail2.Id)
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// update the original to change it
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m.TrackItem(fail1.Id, fail1UpdatedRefs)
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requireLinksForItem(t, m, fail1.Id, fail1UpdatedRefs...)
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requireLinksForItem(t, m, fail2.Id, fail2Refs...)
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requireItemsForLink(t, m, apiRef, fail1.Id)
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requireItemsForLink(t, m, fooRef, fail2.Id)
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requireItemsForLink(t, m, barRef, fail1.Id)
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requireItemsForLink(t, m, wwwRef, fail2.Id)
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requireServicesTracked(t, m, randoSvc)
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requireServicesTracked(t, m, apiSvc, fail1.Id)
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requireServicesTracked(t, m, fooSvc, fail2.Id)
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requireServicesTracked(t, m, barSvc, fail1.Id)
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requireServicesTracked(t, m, wwwSvc, fail2.Id)
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// delete the original
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m.UntrackItem(fail1.Id)
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requireLinksForItem(t, m, fail1.Id)
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requireLinksForItem(t, m, fail2.Id, fail2Refs...)
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requireItemsForLink(t, m, apiRef)
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requireItemsForLink(t, m, fooRef, fail2.Id)
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requireItemsForLink(t, m, barRef)
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requireItemsForLink(t, m, wwwRef, fail2.Id)
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requireServicesTracked(t, m, randoSvc)
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requireServicesTracked(t, m, apiSvc)
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requireServicesTracked(t, m, fooSvc, fail2.Id)
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requireServicesTracked(t, m, barSvc)
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requireServicesTracked(t, m, wwwSvc, fail2.Id)
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// delete the link
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m.UntrackLink(newRef(fakeBarType, "www"))
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requireLinksForItem(t, m, fail2.Id, newRef(fakeBarType, "foo"))
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m.UntrackLink(newRef(fakeBarType, "foo"))
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requireLinksForItem(t, m, fail2.Id)
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// delete another item
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m.UntrackItem(fail2.Id)
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requireLinksForItem(t, m, fail1.Id)
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requireLinksForItem(t, m, fail2.Id)
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requireItemsForLink(t, m, apiRef)
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requireItemsForLink(t, m, fooRef)
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requireItemsForLink(t, m, barRef)
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requireItemsForLink(t, m, wwwRef)
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requireServicesTracked(t, m, randoSvc)
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requireServicesTracked(t, m, apiSvc)
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requireServicesTracked(t, m, fooSvc)
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requireServicesTracked(t, m, barSvc)
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requireServicesTracked(t, m, wwwSvc)
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// Reset the mapper and check that its internal maps are empty.
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m.Reset()
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require.True(t, m.IsEmpty())
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}
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func TestPanics(t *testing.T) {
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t.Run("new mapper without types", func(t *testing.T) {
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require.PanicsWithValue(t, "itemType is required", func() {
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New(nil, nil)
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})
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require.PanicsWithValue(t, "itemType is required", func() {
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New(nil, fakeBarType)
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})
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require.PanicsWithValue(t, "linkType is required", func() {
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New(fakeFooType, nil)
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})
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})
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t.Run("UntrackItem: mismatched type", func(t *testing.T) {
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m := New(fakeFooType, fakeBarType)
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require.PanicsWithValue(t, "expected item type \"catalog.v1.Foo\" got \"catalog.v1.Bar\"", func() {
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// Calling UntrackItem with link type instead of item type
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m.UntrackItem(rtest.Resource(fakeBarType, "test").ID())
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})
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})
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t.Run("TrackItem: mismatched item type", func(t *testing.T) {
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m := New(fakeFooType, fakeBarType)
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require.PanicsWithValue(t, "expected item type \"catalog.v1.Foo\" got \"catalog.v1.Bar\"", func() {
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// Calling UntrackItem with link type instead of item type
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m.TrackItem(rtest.Resource(fakeBarType, "test").ID(), nil)
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})
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})
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t.Run("TrackItem: mismatched link type", func(t *testing.T) {
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m := New(fakeFooType, fakeBarType)
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require.PanicsWithValue(t, "expected link type \"catalog.v1.Bar\" got \"catalog.v1.Foo\"", func() {
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// Calling UntrackItem with link type instead of item type
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links := []resource.ReferenceOrID{
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rtest.Resource(fakeFooType, "link").ID(),
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}
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m.TrackItem(rtest.Resource(fakeFooType, "test").ID(), links)
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})
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})
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t.Run("UntrackLink: mismatched type", func(t *testing.T) {
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m := New(fakeFooType, fakeBarType)
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require.PanicsWithValue(t, "expected link type \"catalog.v1.Bar\" got \"catalog.v1.Foo\"", func() {
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m.UntrackLink(rtest.Resource(fakeFooType, "test").ID())
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})
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})
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t.Run("LinkRefsForItem: mismatched type", func(t *testing.T) {
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m := New(fakeFooType, fakeBarType)
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require.PanicsWithValue(t, "expected item type \"catalog.v1.Foo\" got \"catalog.v1.Bar\"", func() {
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m.LinkRefsForItem(rtest.Resource(fakeBarType, "test").ID())
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})
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})
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t.Run("LinkRefsForItem: mismatched type", func(t *testing.T) {
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m := New(fakeFooType, fakeBarType)
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require.PanicsWithValue(t, "expected item type \"catalog.v1.Foo\" got \"catalog.v1.Bar\"", func() {
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m.LinkIDsForItem(rtest.Resource(fakeBarType, "test").ID())
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})
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})
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t.Run("ItemRefsForLink: mismatched type", func(t *testing.T) {
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m := New(fakeFooType, fakeBarType)
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require.PanicsWithValue(t, "expected link type \"catalog.v1.Bar\" got \"catalog.v1.Foo\"", func() {
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m.ItemRefsForLink(rtest.Resource(fakeFooType, "test").ID())
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})
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})
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t.Run("ItemIDsForLink: mismatched type", func(t *testing.T) {
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m := New(fakeFooType, fakeBarType)
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require.PanicsWithValue(t, "expected link type \"catalog.v1.Bar\" got \"catalog.v1.Foo\"", func() {
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m.ItemIDsForLink(rtest.Resource(fakeFooType, "test").ID())
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})
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})
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}
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func requireServicesTracked(t *testing.T, mapper *Mapper, link *pbresource.Resource, items ...*pbresource.ID) {
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t.Helper()
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reqs, err := mapper.MapLink(
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context.Background(),
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controller.Runtime{},
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link,
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)
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require.NoError(t, err)
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require.Len(t, reqs, len(items))
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// Also check items IDs and Refs for link.
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ids := mapper.ItemIDsForLink(link.Id)
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require.Len(t, ids, len(items))
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refs := mapper.ItemRefsForLink(link.Id)
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require.Len(t, refs, len(items))
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for _, item := range items {
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prototest.AssertContainsElement(t, reqs, controller.Request{ID: item})
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prototest.AssertContainsElement(t, ids, item)
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prototest.AssertContainsElement(t, refs, resource.Reference(item, ""))
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}
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}
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func requireItemsForLink(t *testing.T, mapper *Mapper, link *pbresource.Reference, items ...*pbresource.ID) {
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t.Helper()
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got := mapper.ItemIDsForLink(resource.IDFromReference(link))
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prototest.AssertElementsMatch(t, items, got)
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}
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func requireLinksForItem(t *testing.T, mapper *Mapper, item *pbresource.ID, links ...resource.ReferenceOrID) {
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t.Helper()
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var expLinkRefs []*pbresource.Reference
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var expLinkIDs []*pbresource.ID
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for _, l := range links {
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expLinkRefs = append(expLinkRefs, &pbresource.Reference{
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Name: l.GetName(),
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Tenancy: l.GetTenancy(),
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Type: l.GetType(),
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})
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expLinkIDs = append(expLinkIDs, &pbresource.ID{
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Name: l.GetName(),
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Tenancy: l.GetTenancy(),
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Type: l.GetType(),
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})
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}
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refs := mapper.LinkRefsForItem(item)
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require.Len(t, refs, len(links))
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prototest.AssertElementsMatch(t, expLinkRefs, refs)
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ids := mapper.LinkIDsForItem(item)
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require.Len(t, refs, len(links))
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prototest.AssertElementsMatch(t, expLinkIDs, ids)
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}
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func newRef(typ *pbresource.Type, name string) *pbresource.Reference {
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return rtest.Resource(typ, name).Reference("")
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}
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