159 lines
7.0 KiB
Go
159 lines
7.0 KiB
Go
package enemyevents
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import (
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"encoding/json"
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"reflect"
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"strings"
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"testing"
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"gitea.maximumdirect.net/eric/notarius/internal/core/source"
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"gitea.maximumdirect.net/eric/notarius/internal/framework/contracts"
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"gitea.maximumdirect.net/eric/notarius/internal/framework/pipeline"
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"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd"
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)
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func validList() dnd.EnemyEventList {
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return dnd.EnemyEventList{Events: []dnd.EnemyEvent{
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{Name: "Ashfang", Kind: dnd.EnemyEventKindEngaged, SourceRefs: refs(1, 2)},
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{Name: "Ashfang", Kind: dnd.EnemyEventKindFled, SourceRefs: refs(5, 6)},
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}}
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}
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func refs(start, end int) []source.SourceRef {
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return []source.SourceRef{{SourceID: "session", StartUnitID: start, EndUnitID: end}}
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}
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func TestCodecRoundTripAndIdentity(t *testing.T) {
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codec := New()
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value := validList()
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content, err := codec.Encode(value)
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if err != nil {
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t.Fatalf("Encode() error = %v", err)
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}
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decoded, err := codec.Decode(content)
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if err != nil || !reflect.DeepEqual(decoded, value) {
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t.Fatalf("Decode() = %#v, %v; want %#v", decoded, err, value)
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}
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schema := codec.Schema()
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if codec.Kind() != dnd.EnemyEventListKind || codec.MediaType() != MediaType || schema.ID != SchemaID || schema.Name != SchemaName || schema.Version != SchemaVersion || !json.Valid(schema.JSONSchema) {
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t.Fatalf("codec identity/schema = %q/%q %#v", codec.Kind(), codec.MediaType(), schema)
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}
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registry := pipeline.NewArtifactCodecRegistry()
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if err := pipeline.RegisterArtifactCodec(registry, codec); err != nil {
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t.Fatal(err)
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}
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spec, ok := registry.Spec(dnd.EnemyEventListKind)
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if !ok || spec.SchemaDigest != contracts.DigestArtifactSchema(schema) {
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t.Fatalf("registered spec = %#v, %t", spec, ok)
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}
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}
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func TestCodecRejectsStrictJSONAndMissingRequiredFields(t *testing.T) {
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validJSON := `{"events":[{"name":"Ashfang","kind":"engaged","source_refs":[{"source_id":"session","start_unit_id":1,"end_unit_id":1}]}]}`
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tests := []struct {
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name, raw, want string
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}{
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{"invalid JSON", `{`, "decode dnd enemy event list"},
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{"unknown root field", `{"events":[],"unexpected":true}`, "unknown field"},
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{"unknown event field", strings.Replace(validJSON, `"kind":"engaged"`, `"kind":"engaged","unexpected":true`, 1), "unknown field"},
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{"missing events", `{}`, "events must be present"},
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{"missing name", strings.Replace(validJSON, `"name":"Ashfang",`, "", 1), "events[0].name must be present"},
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{"missing kind", strings.Replace(validJSON, `"kind":"engaged",`, "", 1), "events[0].kind must be present"},
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{"missing refs", strings.Replace(validJSON, `,"source_refs":[{"source_id":"session","start_unit_id":1,"end_unit_id":1}]`, "", 1), "events[0].source_refs must be present"},
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{"missing source ID", strings.Replace(validJSON, `"source_id":"session",`, "", 1), "source_refs[0].source_id must be present"},
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{"missing source start", strings.Replace(validJSON, `"start_unit_id":1,`, "", 1), "source_refs[0].start_unit_id must be present"},
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{"missing source end", strings.Replace(validJSON, `,"end_unit_id":1`, "", 1), "source_refs[0].end_unit_id must be present"},
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{"trailing JSON", `{"events":[]} {}`, "multiple JSON values"},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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if _, err := New().Decode([]byte(test.raw)); err == nil || !strings.Contains(err.Error(), test.want) {
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t.Fatalf("Decode() error = %v, want %q", err, test.want)
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}
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})
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}
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}
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func TestCodecDefensivelyOwnsCandidateValues(t *testing.T) {
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codec := New()
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candidate := dnd.EnemyEventList{Events: []dnd.EnemyEvent{{
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Name: " ", Kind: "unsupported", SourceRefs: []source.SourceRef{{SourceID: "", StartUnitID: 0, EndUnitID: -1}},
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}}}
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content, err := codec.EncodeCandidate(candidate)
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if err != nil {
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t.Fatal(err)
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}
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decoded, err := codec.DecodeCandidate(content)
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if err != nil || !reflect.DeepEqual(decoded, candidate) {
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t.Fatalf("DecodeCandidate() = %#v, %v; want semantic candidate preservation", decoded, err)
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}
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decoded.Events[0].SourceRefs[0].SourceID = "changed"
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if candidate.Events[0].SourceRefs[0].SourceID != "" {
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t.Fatal("DecodeCandidate() retained caller-owned source references")
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}
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if _, err := codec.Decode(content); err == nil || !strings.Contains(err.Error(), "name must not be empty") {
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t.Fatalf("Decode() error = %v, want durable value validation", err)
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}
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first := codec.Schema()
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first.JSONSchema[0] = '['
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if second := codec.Schema(); !json.Valid(second.JSONSchema) || second.JSONSchema[0] == '[' {
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t.Fatal("Schema() returned shared bytes")
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}
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}
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func TestCodecRejectsInvalidDurableValuesWhileCandidatesPreserveThem(t *testing.T) {
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codec := New()
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for _, test := range []struct {
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name string
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mutate func(*dnd.EnemyEventList)
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want string
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}{
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{name: "blank name", mutate: func(value *dnd.EnemyEventList) { value.Events[0].Name = " " }, want: "name must not be empty"},
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{name: "unsupported kind", mutate: func(value *dnd.EnemyEventList) { value.Events[0].Kind = "unsupported" }, want: "kind must be supported"},
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{name: "empty source refs", mutate: func(value *dnd.EnemyEventList) { value.Events[0].SourceRefs = []source.SourceRef{} }, want: "source_refs must contain"},
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{name: "blank source ID", mutate: func(value *dnd.EnemyEventList) { value.Events[0].SourceRefs[0].SourceID = " " }, want: "source_id must not be empty"},
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{name: "nonpositive start", mutate: func(value *dnd.EnemyEventList) { value.Events[0].SourceRefs[0].StartUnitID = 0 }, want: "start_unit_id"},
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{name: "nonpositive end", mutate: func(value *dnd.EnemyEventList) { value.Events[0].SourceRefs[0].EndUnitID = 0 }, want: "end_unit_id"},
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{name: "reversed", mutate: func(value *dnd.EnemyEventList) {
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value.Events[0].SourceRefs[0].StartUnitID = 2
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value.Events[0].SourceRefs[0].EndUnitID = 1
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}, want: "must not exceed"},
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} {
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t.Run(test.name, func(t *testing.T) {
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candidate := dnd.EnemyEventList{Events: []dnd.EnemyEvent{{
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Name: "Ashfang", Kind: dnd.EnemyEventKindEngaged,
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SourceRefs: []source.SourceRef{{SourceID: "session", StartUnitID: 1, EndUnitID: 1}},
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}}}
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test.mutate(&candidate)
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content, err := codec.EncodeCandidate(candidate)
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if err != nil {
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t.Fatalf("EncodeCandidate() error = %v", err)
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}
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decoded, err := codec.DecodeCandidate(content)
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if err != nil || !reflect.DeepEqual(decoded, candidate) {
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t.Fatalf("DecodeCandidate() = %#v, %v; want %#v", decoded, err, candidate)
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}
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if _, err := codec.Encode(candidate); err == nil || !strings.Contains(err.Error(), test.want) {
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t.Fatalf("Encode() error = %v, want %q", err, test.want)
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}
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if _, err := codec.Decode(content); err == nil || !strings.Contains(err.Error(), test.want) {
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t.Fatalf("Decode() error = %v, want %q", err, test.want)
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}
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})
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}
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}
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func TestCodecAcceptsEmptyDurableEventList(t *testing.T) {
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value := dnd.EnemyEventList{Events: []dnd.EnemyEvent{}}
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content, err := New().Encode(value)
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if err != nil || string(content) != `{"events":[]}` {
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t.Fatalf("Encode() = %s, %v", content, err)
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}
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decoded, err := New().Decode(content)
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if err != nil || !reflect.DeepEqual(decoded, value) {
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t.Fatalf("Decode() = %#v, %v; want %#v", decoded, err, value)
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}
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}
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