514 lines
21 KiB
Go
514 lines
21 KiB
Go
package admin
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import (
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"context"
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"errors"
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"testing"
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"time"
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"proxy-pool/internal/config"
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"proxy-pool/internal/domain/adminstate"
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)
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func TestApplicationServiceMapsUpstreamMutationToAdminState(t *testing.T) {
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t.Parallel()
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now := time.Date(2026, 7, 29, 10, 0, 0, 0, time.UTC)
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state := &recordingAdminState{
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mutation: adminstate.MutationResult{
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RequestID: "req-enable",
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Changed: true,
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Revision: 12,
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Message: "enabled",
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},
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}
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service, err := NewApplicationService(ApplicationDependencies{
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State: state,
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Operations: staticOperationalStatusReader{},
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Configuration: staticConfigurationLoader{},
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Publisher: &recordingConfigurationPublisher{},
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}, ApplicationOptions{Now: func() time.Time { return now }})
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if err != nil {
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t.Fatalf("NewApplicationService() error = %v", err)
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}
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result, err := service.SetUpstreamEnabled(context.Background(), SetUpstreamCommand{
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RequestID: "req-enable",
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ActorID: "admin:alice",
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SourceIP: "192.0.2.10",
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Name: "provider-a",
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Enabled: true,
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})
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if err != nil {
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t.Fatalf("SetUpstreamEnabled() error = %v", err)
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}
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if result != (MutationResult{RequestID: "req-enable", Changed: true, Version: 12, Message: "enabled"}) {
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t.Fatalf("SetUpstreamEnabled() result = %+v", result)
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}
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if state.lastUpstream != (adminstate.SetUpstreamCommand{
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RequestID: "req-enable",
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Actor: adminstate.Actor{ID: "admin:alice", SourceIP: "192.0.2.10"},
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OccurredAt: now,
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Name: "provider-a",
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Enabled: true,
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}) {
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t.Fatalf("admin state command = %+v", state.lastUpstream)
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}
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}
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func TestNewApplicationServiceRejectsMissingDependencies(t *testing.T) {
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t.Parallel()
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valid := ApplicationDependencies{
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State: &recordingAdminState{},
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Operations: staticOperationalStatusReader{},
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Configuration: staticConfigurationLoader{},
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Publisher: &recordingConfigurationPublisher{},
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}
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tests := []struct {
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name string
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dependencies ApplicationDependencies
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options ApplicationOptions
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}{
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{name: "state", dependencies: func() ApplicationDependencies { value := valid; value.State = nil; return value }(), options: ApplicationOptions{Now: time.Now}},
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{name: "operations", dependencies: func() ApplicationDependencies { value := valid; value.Operations = nil; return value }(), options: ApplicationOptions{Now: time.Now}},
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{name: "configuration", dependencies: func() ApplicationDependencies { value := valid; value.Configuration = nil; return value }(), options: ApplicationOptions{Now: time.Now}},
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{name: "publisher", dependencies: func() ApplicationDependencies { value := valid; value.Publisher = nil; return value }(), options: ApplicationOptions{Now: time.Now}},
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{name: "clock", dependencies: valid},
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}
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for _, test := range tests {
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test := test
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t.Run(test.name, func(t *testing.T) {
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t.Parallel()
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if _, err := NewApplicationService(test.dependencies, test.options); !errors.Is(err, ErrInvalidApplicationService) {
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t.Fatalf("NewApplicationService() error = %v, want %v", err, ErrInvalidApplicationService)
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}
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})
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}
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}
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func TestNewApplicationServiceRejectsTypedNilDependencies(t *testing.T) {
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t.Parallel()
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var state *recordingAdminState
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var publisher *recordingConfigurationPublisher
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valid := ApplicationDependencies{
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State: &recordingAdminState{},
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Operations: staticOperationalStatusReader{},
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Configuration: staticConfigurationLoader{},
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Publisher: &recordingConfigurationPublisher{},
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}
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for _, dependencies := range []ApplicationDependencies{
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func() ApplicationDependencies { value := valid; value.State = state; return value }(),
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func() ApplicationDependencies { value := valid; value.Publisher = publisher; return value }(),
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} {
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if _, err := NewApplicationService(dependencies, ApplicationOptions{Now: time.Now}); !errors.Is(err, ErrInvalidApplicationService) {
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t.Fatalf("NewApplicationService(typed nil) error = %v, want %v", err, ErrInvalidApplicationService)
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}
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}
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}
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func TestApplicationServiceMapsRoutingSwitchAndDomainErrors(t *testing.T) {
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t.Parallel()
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now := time.Date(2026, 7, 29, 11, 0, 0, 0, time.FixedZone("test", 8*60*60))
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state := &recordingAdminState{mutation: adminstate.MutationResult{RequestID: "req-switch", Changed: true, Revision: 21}}
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service := mustApplicationService(t, state, ApplicationOptions{Now: func() time.Time { return now }})
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result, err := service.SwitchRouting(context.Background(), SwitchCommand{
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RequestID: "req-switch", ActorID: "admin:bob", SourceIP: "198.51.100.7",
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Name: "checkout", ExpectedCurrent: "provider-a", Target: "provider-b", Reason: "capacity",
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})
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if err != nil {
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t.Fatalf("SwitchRouting() error = %v", err)
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}
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if result.Version != 21 || !result.Changed {
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t.Fatalf("SwitchRouting() result = %+v", result)
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}
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wantCommand := adminstate.SwitchRoutingCommand{
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RequestID: "req-switch", Actor: adminstate.Actor{ID: "admin:bob", SourceIP: "198.51.100.7"},
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OccurredAt: now.UTC(), Name: "checkout", ExpectedCurrent: "provider-a", Target: "provider-b", Reason: "capacity",
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}
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if state.lastSwitch != wantCommand {
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t.Fatalf("admin state command = %+v, want %+v", state.lastSwitch, wantCommand)
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}
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tests := []struct {
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domain error
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want error
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}{
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{domain: adminstate.ErrNotFound, want: ErrNotFound},
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{domain: adminstate.ErrConflict, want: ErrConflict},
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{domain: adminstate.ErrInvalidCommand, want: ErrInvalidConfiguration},
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{domain: adminstate.ErrUnavailable, want: ErrUnavailable},
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}
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for _, test := range tests {
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state.err = test.domain
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_, err := service.SwitchRouting(context.Background(), SwitchCommand{
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RequestID: "req-switch", ActorID: "admin:bob", SourceIP: "198.51.100.7",
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Name: "checkout", ExpectedCurrent: "provider-a", Target: "provider-b",
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})
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if !errors.Is(err, test.want) || !errors.Is(err, test.domain) {
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t.Fatalf("SwitchRouting(%v) error = %v, want mapped %v preserving cause", test.domain, err, test.want)
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}
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}
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}
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func TestApplicationServiceBuildsStatusFromAuthoritativeAndOperationalSnapshots(t *testing.T) {
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t.Parallel()
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state := &recordingAdminState{snapshot: adminstate.Snapshot{
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Revision: 31,
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Config: &adminstate.ConfigRevision{Revision: 31, ConfigVersion: "cfg-31"},
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Upstreams: []adminstate.UpstreamState{
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{Name: "provider-b", Enabled: false, Revision: 31},
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{Name: "provider-a", Enabled: true, Revision: 31},
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},
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}}
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operations := staticOperationalStatusReader{status: OperationalStatus{
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SnapshotVersion: 88,
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Upstreams: []UpstreamActivity{
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{Name: "provider-a", Available: 10, Checking: 2, Suspect: 1, ConsecutiveEmptyFetch: 3},
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{Name: "unknown", Available: 999},
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},
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Workers: []WorkerStatus{
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{ID: "worker-b", Zone: "zone-b", Connected: false, SnapshotVersion: 87, StaleSeconds: 4},
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{ID: "worker-a", Zone: "zone-a", Connected: true, SnapshotVersion: 88},
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},
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}}
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service, err := NewApplicationService(ApplicationDependencies{
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State: state, Operations: operations, Configuration: staticConfigurationLoader{},
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Publisher: &recordingConfigurationPublisher{},
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}, ApplicationOptions{Now: time.Now})
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if err != nil {
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t.Fatalf("NewApplicationService() error = %v", err)
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}
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status, err := service.Status(context.Background())
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if err != nil {
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t.Fatalf("Status() error = %v", err)
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}
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if status.ConfigVersion != "cfg-31" || status.SnapshotVersion != 88 {
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t.Fatalf("Status() versions = (%q, %d)", status.ConfigVersion, status.SnapshotVersion)
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}
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if len(status.Upstreams) != 2 || status.Upstreams[0].Name != "provider-a" || !status.Upstreams[0].Enabled ||
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status.Upstreams[0].Available != 10 || status.Upstreams[0].Checking != 2 ||
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status.Upstreams[0].ConsecutiveEmptyFetch != 3 {
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t.Fatalf("Status() upstreams = %+v", status.Upstreams)
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}
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if status.Upstreams[1].Name != "provider-b" || status.Upstreams[1].Enabled || status.Upstreams[1].Available != 0 {
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t.Fatalf("Status() disabled upstream = %+v", status.Upstreams[1])
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}
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if len(status.Workers) != 2 || status.Workers[0].ID != "worker-a" || status.Workers[1].ID != "worker-b" {
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t.Fatalf("Status() workers = %+v", status.Workers)
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}
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}
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func TestApplicationServiceMapsStatusDependencyFailures(t *testing.T) {
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t.Parallel()
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stateFailure := errors.Join(adminstate.ErrUnavailable, errors.New("postgres down"))
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service, err := NewApplicationService(ApplicationDependencies{
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State: &recordingAdminState{err: stateFailure}, Operations: staticOperationalStatusReader{},
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Configuration: staticConfigurationLoader{}, Publisher: &recordingConfigurationPublisher{},
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}, ApplicationOptions{Now: time.Now})
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if err != nil {
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t.Fatalf("NewApplicationService() error = %v", err)
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}
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if _, err := service.Status(context.Background()); !errors.Is(err, ErrUnavailable) || !errors.Is(err, stateFailure) {
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t.Fatalf("Status(state failure) error = %v", err)
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}
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operationsFailure := errors.New("redis aggregate unavailable")
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service, err = NewApplicationService(ApplicationDependencies{
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State: &recordingAdminState{}, Operations: staticOperationalStatusReader{err: operationsFailure},
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Configuration: staticConfigurationLoader{}, Publisher: &recordingConfigurationPublisher{},
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}, ApplicationOptions{Now: time.Now})
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if err != nil {
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t.Fatalf("NewApplicationService() error = %v", err)
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}
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if _, err := service.Status(context.Background()); !errors.Is(err, ErrUnavailable) || !errors.Is(err, operationsFailure) {
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t.Fatalf("Status(operations failure) error = %v", err)
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}
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service, err = NewApplicationService(ApplicationDependencies{
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State: &recordingAdminState{}, Operations: staticOperationalStatusReader{err: context.Canceled},
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Configuration: staticConfigurationLoader{}, Publisher: &recordingConfigurationPublisher{},
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}, ApplicationOptions{Now: time.Now})
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if err != nil {
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t.Fatalf("NewApplicationService() error = %v", err)
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}
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if _, err := service.Status(context.Background()); !errors.Is(err, context.Canceled) || errors.Is(err, ErrUnavailable) {
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t.Fatalf("Status(cancellation) error = %v, want unclassified cancellation", err)
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}
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}
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func TestApplicationServiceReloadPersistsManagementViewBeforePublishing(t *testing.T) {
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t.Parallel()
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now := time.Date(2026, 7, 29, 12, 0, 0, 0, time.UTC)
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configuration := validReloadConfiguration()
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publisher := &recordingConfigurationPublisher{}
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state := &recordingAdminState{
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mutation: adminstate.MutationResult{RequestID: "req-reload", Changed: true, Revision: 42},
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snapshot: adminstate.Snapshot{Routings: []adminstate.RoutingState{
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{Name: "checkout", Enabled: true, Upstreams: []string{"provider-a", "provider-b"}, CurrentUpstream: "provider-b"},
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}},
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}
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state.onCommit = func(adminstate.CommitConfigCommand) {
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if len(publisher.published) != 0 {
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t.Fatal("configuration was published before management state committed")
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}
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}
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service, err := NewApplicationService(ApplicationDependencies{
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State: state, Operations: staticOperationalStatusReader{},
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Configuration: staticConfigurationLoader{loaded: LoadedConfiguration{
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Value: configuration, Source: "configs/proxy-pool.yaml",
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}},
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Publisher: publisher,
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}, ApplicationOptions{Now: func() time.Time { return now }})
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if err != nil {
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t.Fatalf("NewApplicationService() error = %v", err)
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}
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result, err := service.ReloadConfiguration(context.Background(), ReloadCommand{
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RequestID: "req-reload", ActorID: "admin:alice", SourceIP: "192.0.2.10",
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})
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if err != nil {
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t.Fatalf("ReloadConfiguration() error = %v", err)
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}
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if result.Version != 42 || !result.Changed {
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t.Fatalf("ReloadConfiguration() result = %+v", result)
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}
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if len(publisher.published) != 1 || publisher.published[0] != configuration {
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t.Fatalf("published configurations = %+v", publisher.published)
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}
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command := state.lastConfig
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if command.RequestID != "req-reload" || command.Actor != (adminstate.Actor{ID: "admin:alice", SourceIP: "192.0.2.10"}) ||
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!command.OccurredAt.Equal(now) || command.Source != "configs/proxy-pool.yaml" {
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t.Fatalf("CommitConfig() metadata = %+v", command)
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}
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if len(command.Checksum) != adminstate.SHA256HexBytes || command.ConfigVersion != "cfg-"+command.Checksum {
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t.Fatalf("CommitConfig() version/checksum = (%q, %q)", command.ConfigVersion, command.Checksum)
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}
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if len(command.Upstreams) != 2 || command.Upstreams[0].Name != "provider-a" || command.Upstreams[1].Name != "provider-b" {
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t.Fatalf("CommitConfig() upstreams = %+v", command.Upstreams)
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}
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if len(command.Routings) != 2 || command.Routings[0].Name != "checkout" || command.Routings[0].CurrentUpstream != "provider-b" ||
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command.Routings[1].Name != "new-route" || command.Routings[1].CurrentUpstream != "provider-b" {
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t.Fatalf("CommitConfig() routings = %+v", command.Routings)
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}
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}
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func TestApplicationServiceReloadDoesNotPublishInvalidOrUncommittedConfiguration(t *testing.T) {
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t.Parallel()
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tests := []struct {
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name string
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loaded LoadedConfiguration
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stateError error
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wantCause error
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}{
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{
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name: "invalid configuration", loaded: LoadedConfiguration{Value: &config.Config{}, Source: "invalid.yaml"},
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wantCause: ErrInvalidConfiguration,
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},
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{
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name: "persistence unavailable", loaded: LoadedConfiguration{Value: validReloadConfiguration(), Source: "valid.yaml"},
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stateError: adminstate.ErrUnavailable, wantCause: ErrUnavailable,
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},
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}
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for _, test := range tests {
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test := test
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t.Run(test.name, func(t *testing.T) {
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t.Parallel()
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publisher := &recordingConfigurationPublisher{}
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state := &recordingAdminState{err: test.stateError}
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service, err := NewApplicationService(ApplicationDependencies{
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State: state, Operations: staticOperationalStatusReader{},
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Configuration: staticConfigurationLoader{loaded: test.loaded}, Publisher: publisher,
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}, ApplicationOptions{Now: time.Now})
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if err != nil {
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t.Fatalf("NewApplicationService() error = %v", err)
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}
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_, err = service.ReloadConfiguration(context.Background(), ReloadCommand{
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RequestID: "req-reload", ActorID: "admin:alice", SourceIP: "192.0.2.10",
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})
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if !errors.Is(err, test.wantCause) {
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t.Fatalf("ReloadConfiguration() error = %v, want %v", err, test.wantCause)
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}
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if len(publisher.published) != 0 {
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t.Fatalf("published %d configurations after failure", len(publisher.published))
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}
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})
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}
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}
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func TestApplicationServiceReloadPublishesSuccessfulReplay(t *testing.T) {
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t.Parallel()
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publisher := &recordingConfigurationPublisher{}
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state := &recordingAdminState{mutation: adminstate.MutationResult{RequestID: "req-replay", Revision: 7}}
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service, err := NewApplicationService(ApplicationDependencies{
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State: state, Operations: staticOperationalStatusReader{},
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Configuration: staticConfigurationLoader{loaded: LoadedConfiguration{
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Value: validReloadConfiguration(), Source: "config.yaml",
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}}, Publisher: publisher,
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}, ApplicationOptions{Now: time.Now})
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if err != nil {
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t.Fatalf("NewApplicationService() error = %v", err)
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}
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result, err := service.ReloadConfiguration(context.Background(), ReloadCommand{
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RequestID: "req-replay", ActorID: "admin:alice", SourceIP: "192.0.2.10",
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})
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if err != nil || result.Changed || result.Version != 7 || len(publisher.published) != 1 {
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t.Fatalf("ReloadConfiguration() = %+v, %v; publishes=%d", result, err, len(publisher.published))
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}
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}
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func TestApplicationServiceReloadPreservesCancellation(t *testing.T) {
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t.Parallel()
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service, err := NewApplicationService(ApplicationDependencies{
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State: &recordingAdminState{}, Operations: staticOperationalStatusReader{},
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Configuration: staticConfigurationLoader{err: context.Canceled},
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Publisher: &recordingConfigurationPublisher{},
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}, ApplicationOptions{Now: time.Now})
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if err != nil {
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t.Fatalf("NewApplicationService() error = %v", err)
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}
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_, err = service.ReloadConfiguration(context.Background(), ReloadCommand{RequestID: "req-cancel"})
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if !errors.Is(err, context.Canceled) || errors.Is(err, ErrInvalidConfiguration) {
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t.Fatalf("ReloadConfiguration() error = %v, want unclassified cancellation", err)
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}
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}
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func TestApplicationServiceUsesSecretFreeManagementChecksum(t *testing.T) {
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t.Parallel()
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state := &recordingAdminState{}
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publisher := &recordingConfigurationPublisher{}
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var commands []adminstate.CommitConfigCommand
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state.onCommit = func(command adminstate.CommitConfigCommand) {
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commands = append(commands, command)
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}
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for _, secret := range []string{"secret-a", "secret-b"} {
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configuration := validReloadConfiguration()
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upstream := configuration.Upstreams["provider-a"]
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upstream.ProxyAuth.Password = secret
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configuration.Upstreams["provider-a"] = upstream
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service, err := NewApplicationService(ApplicationDependencies{
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State: state, Operations: staticOperationalStatusReader{},
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Configuration: staticConfigurationLoader{loaded: LoadedConfiguration{
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Value: configuration, Source: "config.yaml",
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}}, Publisher: publisher,
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}, ApplicationOptions{Now: time.Now})
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if err != nil {
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t.Fatalf("NewApplicationService() error = %v", err)
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}
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if _, err := service.ReloadConfiguration(context.Background(), ReloadCommand{
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RequestID: "req-secret", ActorID: "admin:alice", SourceIP: "192.0.2.10",
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}); err != nil {
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t.Fatalf("ReloadConfiguration() error = %v", err)
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}
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}
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if len(commands) != 2 || commands[0].Checksum != commands[1].Checksum || commands[0].ConfigVersion != commands[1].ConfigVersion {
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t.Fatalf("secret rotation changed public management digest: %+v", commands)
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}
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if len(publisher.published) != 2 || publisher.published[1].Upstreams["provider-a"].ProxyAuth.Password != "secret-b" {
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t.Fatalf("secret rotation was not published: %+v", publisher.published)
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}
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}
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func validReloadConfiguration() *config.Config {
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return &config.Config{
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Version: 1,
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Upstreams: map[string]config.Upstream{
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"provider-b": validReloadUpstream("secret-b"),
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"provider-a": validReloadUpstream("secret-a"),
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},
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Routing: []config.Routing{
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{
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Name: "new-route", Enabled: true, Purpose: "gateway",
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Upstreams: []string{"provider-b", "provider-a"}, Strategy: config.Strategy{Type: "random"},
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OnUnavailable: config.OnUnavailable{Action: "reject"},
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},
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{
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Name: "checkout", Enabled: true, Purpose: "gateway",
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Upstreams: []string{"provider-a", "provider-b"}, Strategy: config.Strategy{Type: "sequential", SwitchAfterEmptyFetch: 5},
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OnUnavailable: config.OnUnavailable{Action: "reject"},
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
func validReloadUpstream(secret string) config.Upstream {
|
|
return config.Upstream{
|
|
Enabled: true, Exposure: []string{"gateway"},
|
|
API: config.ProviderAPI{Auth: config.ProviderAuth{Type: "none"}},
|
|
ProxyAuth: config.ProxyAuth{Type: "static", Username: "user", Password: secret},
|
|
Pool: config.Pool{MaxSize: 10}, Capacity: config.Capacity{MaxConcurrencyPerProxy: 2},
|
|
Lifecycle: config.Lifecycle{TTL: config.Duration(time.Minute), AllocationSafetyMargin: config.Duration(10 * time.Second)},
|
|
Fetch: config.Fetch{Timeout: config.Duration(time.Second), MaxAttempts: 2, MaxInFlight: 1},
|
|
}
|
|
}
|
|
|
|
func mustApplicationService(t *testing.T, state StateRepository, options ApplicationOptions) *ApplicationService {
|
|
t.Helper()
|
|
service, err := NewApplicationService(ApplicationDependencies{
|
|
State: state, Operations: staticOperationalStatusReader{}, Configuration: staticConfigurationLoader{},
|
|
Publisher: &recordingConfigurationPublisher{},
|
|
}, options)
|
|
if err != nil {
|
|
t.Fatalf("NewApplicationService() error = %v", err)
|
|
}
|
|
return service
|
|
}
|
|
|
|
type recordingAdminState struct {
|
|
mutation adminstate.MutationResult
|
|
err error
|
|
snapshot adminstate.Snapshot
|
|
lastUpstream adminstate.SetUpstreamCommand
|
|
lastSwitch adminstate.SwitchRoutingCommand
|
|
lastConfig adminstate.CommitConfigCommand
|
|
onCommit func(adminstate.CommitConfigCommand)
|
|
}
|
|
|
|
func (state *recordingAdminState) SetUpstreamEnabled(_ context.Context, command adminstate.SetUpstreamCommand) (adminstate.MutationResult, error) {
|
|
state.lastUpstream = command
|
|
return state.mutation, state.err
|
|
}
|
|
|
|
func (state *recordingAdminState) SwitchRouting(_ context.Context, command adminstate.SwitchRoutingCommand) (adminstate.MutationResult, error) {
|
|
state.lastSwitch = command
|
|
return state.mutation, state.err
|
|
}
|
|
|
|
func (state *recordingAdminState) CommitConfig(_ context.Context, command adminstate.CommitConfigCommand) (adminstate.MutationResult, error) {
|
|
state.lastConfig = command
|
|
if state.onCommit != nil {
|
|
state.onCommit(command)
|
|
}
|
|
return state.mutation, state.err
|
|
}
|
|
|
|
func (state *recordingAdminState) Snapshot(context.Context) (adminstate.Snapshot, error) {
|
|
return state.snapshot, state.err
|
|
}
|
|
|
|
type staticOperationalStatusReader struct {
|
|
status OperationalStatus
|
|
err error
|
|
}
|
|
|
|
func (reader staticOperationalStatusReader) ReadOperationalStatus(context.Context) (OperationalStatus, error) {
|
|
return reader.status, reader.err
|
|
}
|
|
|
|
type staticConfigurationLoader struct {
|
|
loaded LoadedConfiguration
|
|
err error
|
|
}
|
|
|
|
func (loader staticConfigurationLoader) LoadConfiguration(context.Context) (LoadedConfiguration, error) {
|
|
return loader.loaded, loader.err
|
|
}
|
|
|
|
type recordingConfigurationPublisher struct {
|
|
published []*config.Config
|
|
}
|
|
|
|
func (publisher *recordingConfigurationPublisher) Publish(configuration *config.Config) {
|
|
publisher.published = append(publisher.published, configuration)
|
|
}
|