241 lines
10 KiB
Go
241 lines
10 KiB
Go
package engine
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import (
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"bytes"
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"reflect"
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"strings"
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"testing"
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"gitea.maximumdirect.net/eric/ConfigKit/internal/document"
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)
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func TestSequenceHistoryReplaysAppendAtAssignedIndexes(t *testing.T) {
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policy := sequencePolicy{identityFields: map[string]string{"/records": "id", "/other": "id"}}
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first := parseCompositionDocument(t, "source-1", "records: [{id: a, value: first}]\nother: [{id: x}]\n")
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second := parseCompositionDocument(t, "source-2", "records: [{id: b, value: second}]\nother: [{id: y}]\n")
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composed, diagnostics := composeDocumentsWithPolicy(policy, first, second)
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if len(diagnostics) != 0 {
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t.Fatalf("compose diagnostics = %#v", diagnostics)
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}
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for applicationIndex, application := range composed.applications {
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for path, want := range map[string]int{"/records": 1, "/other": 1} {
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sequence, present := documentAtPath(application.value, mustParsePath(t, path))
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if !present || sequence.Kind != document.Sequence || len(sequence.Sequence) != want {
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t.Errorf("application %d retained %s = %#v, %v; want one source fragment item", applicationIndex, path, sequence, present)
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}
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}
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}
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working := parseCompositionDocument(t, "defaults", "records: [{id: default}]\nother: [{id: default}]\n")
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index := new(mappingIndex)
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for _, application := range composed.applications {
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applyHistoryApplication(&working, application, index)
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}
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for path, want := range map[string][]string{
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"/records": {"a", "b"},
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"/other": {"x", "y"},
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} {
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sequence, present := documentAtPath(working, mustParsePath(t, path))
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if !present || sequence.Kind != document.Sequence || len(sequence.Sequence) != len(want) {
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t.Fatalf("replayed %s = %#v", path, sequence)
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}
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for itemIndex, id := range want {
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field := sequence.Sequence[itemIndex].Mapping[0].Value.Text
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if field != id {
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t.Errorf("replayed %s[%d].id = %q, want %q", path, itemIndex, field, id)
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}
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}
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}
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application := composed.applications[1]
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cloned := cloneHistoryApplications(composed.applications)
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cloned[1].sequences[0].path.segments[0].key = "mutated"
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if composed.applications[1].sequences[0].path.String() != "/records" {
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t.Fatal("cloned sequence history path aliases its source")
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}
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addedPath := Keys("records").Index(1).Key("value")
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if operation, relevant := applicationOperationPath(application, addedPath, nil); !relevant || operation.String() != addedPath.String() {
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t.Fatalf("appended value operation = %s, %v", operation.String(), relevant)
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}
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if _, relevant := applicationOperationPath(application, Keys("records").Index(0).Key("value"), nil); relevant {
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t.Fatal("later contribution was reported as changing an earlier record")
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}
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origin := historyApplicationOrigin(application, addedPath, nil)
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if len(origin.Locations) != 1 || origin.Locations[0].SourceID != "source-2" {
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t.Fatalf("appended value origin = %#v", origin)
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}
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overlay := historyApplication{
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layer: LayerOverlay,
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value: parseCompositionDocument(t, "overlay", "records: []\n"),
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}
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applyHistoryApplication(&working, overlay, index)
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replaced, present := documentAtPath(working, Keys("records"))
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if !present || replaced.Kind != document.Sequence || len(replaced.Sequence) != 0 {
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t.Fatalf("ordinary later list replacement = %#v, %v", replaced, present)
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}
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}
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func TestSequenceHistoryPreservesTierReplacementAndEmptyLists(t *testing.T) {
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policy := sequencePolicy{identityFields: map[string]string{"/records": "id", "/independent": "id"}}
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first, diagnostics := composeDocumentsWithPolicy(policy,
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parseCompositionDocument(t, "underlay-1a", "records: [{id: shared}]\nindependent: [{id: x}]\n"),
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parseCompositionDocument(t, "underlay-1b", "records: [{id: lower}]\n"),
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)
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if len(diagnostics) != 0 {
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t.Fatalf("first tier diagnostics = %#v", diagnostics)
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}
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for index := range first.applications {
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first.applications[index].layer = LayerUnderlay
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}
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second, diagnostics := composeDocumentsWithPolicy(policy,
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parseCompositionDocument(t, "underlay-2", "records: [{id: shared}]\nindependent: []\n"),
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)
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if len(diagnostics) != 0 {
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t.Fatalf("second tier diagnostics = %#v", diagnostics)
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}
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main, diagnostics := composeDocumentsWithPolicy(policy,
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parseCompositionDocument(t, "main", "records: []\n"),
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)
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if len(diagnostics) != 0 {
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t.Fatalf("main diagnostics = %#v", diagnostics)
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}
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assembly := newAssemblyAccumulator(first)
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if diagnostics := assembly.applyOverlay(second.root, second.origins, second.applications, LayerUnderlay); len(diagnostics) != 0 {
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t.Fatalf("second tier handoff diagnostics = %#v", diagnostics)
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}
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if diagnostics := assembly.applyOverlay(main.root, main.origins, main.applications, LayerBase); len(diagnostics) != 0 {
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t.Fatalf("main handoff diagnostics = %#v", diagnostics)
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}
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if len(assembly.current.applications) != 4 {
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t.Fatalf("retained source applications = %d, want 4", len(assembly.current.applications))
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}
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working := parseCompositionDocument(t, "defaults", "records: [{id: default}]\nindependent: [{id: default}]\n")
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index := new(mappingIndex)
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for _, application := range assembly.current.applications {
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applyHistoryApplication(&working, application, index)
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}
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for path, want := range map[string][]string{
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"/records": nil,
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"/independent": nil,
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} {
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sequence, present := documentAtPath(working, mustParsePath(t, path))
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if !present || sequence.Kind != document.Sequence || len(sequence.Sequence) != len(want) {
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t.Errorf("replayed replacement %s = %#v, want an explicit empty sequence", path, sequence)
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}
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}
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// The same identity may appear in separate tiers, while each tier still
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// retains its individual source applications for explanation replay.
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if got := []Layer{assembly.current.applications[0].layer, assembly.current.applications[1].layer,
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assembly.current.applications[2].layer, assembly.current.applications[3].layer}; !reflect.DeepEqual(got, []Layer{LayerUnderlay, LayerUnderlay, LayerUnderlay, LayerBase}) {
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t.Fatalf("application layers = %#v", got)
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}
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}
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func TestHistoryMergeSupportsSemanticIndexedPrefixes(t *testing.T) {
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root := parseCompositionDocument(t, "base", "records: [{id: one, helper: {value: old}}]\n")
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application := historyApplication{
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path: Keys("records").Index(0).Key("helper"),
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value: parseCompositionDocument(t, "helper", "value: new\n"),
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}
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applyHistoryApplication(&root, application, new(mappingIndex))
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value, present := documentAtPath(root, Keys("records").Index(0).Key("helper").Key("value"))
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if !present || value.Text != "new" {
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t.Fatalf("indexed helper replay = %#v, %v", value, present)
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}
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}
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func TestProjectedSequenceHistoryAgreesAcrossMetadataAndExplanation(t *testing.T) {
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policy := sequencePolicy{identityFields: map[string]string{"/records": "id"}}
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composed, diagnostics := composeDocumentsWithPolicy(policy,
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parseCompositionDocument(t, "first", "records: [{id: first, token: public}]"),
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parseCompositionDocument(t, "second", "records: [{id: second, token: private}]"),
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)
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if len(diagnostics) != 0 {
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t.Fatalf("compose diagnostics = %#v", diagnostics)
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}
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path := Keys("records").Index(1).Key("token")
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var metadata Metadata
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finalizeMetadataPaths(&metadata, composed.root, composed.applications)
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if !metadata.hasHistoricalPath(path) {
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t.Fatalf("projected metadata omitted shifted path %s: %#v", path, metadata.historicalPaths)
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}
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inspection := &Inspection{
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metadata: metadata, baseline: &document.Node{Kind: document.Mapping},
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input: composed.root, final: composed.root, applications: composed.applications,
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}
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inspection.secrets = classifySecretPaths(nil, func(candidate Path) bool {
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return reflect.DeepEqual(candidate, path)
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}, metadata, composed.root, composed.applications)
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explanation, ok := inspection.Explain(path)
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if !ok || !explanation.Effective.Redacted {
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t.Fatalf("shifted explanation = %#v, %v", explanation, ok)
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}
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var foundSecondOrigin bool
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for _, change := range explanation.History {
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for _, location := range change.Origin.Locations {
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foundSecondOrigin = foundSecondOrigin || location.SourceID == "second"
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}
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}
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if !foundSecondOrigin {
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t.Fatalf("shifted history lost second source attribution: %#v", explanation.History)
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}
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var rendered bytes.Buffer
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if err := inspection.WriteExplanation(&rendered, path); err != nil {
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t.Fatal(err)
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}
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if !strings.Contains(rendered.String(), `path: "/records/1/token"`) || strings.Contains(rendered.String(), "private") {
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t.Fatalf("shifted explanation rendering is incomplete or unsafe: %s", rendered.String())
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}
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}
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func TestReplacedProjectedSensitiveRecordRemainsRedacted(t *testing.T) {
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policy := sequencePolicy{identityFields: map[string]string{"/records": "id"}}
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composed, diagnostics := composeDocumentsWithPolicy(policy,
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parseCompositionDocument(t, "first", "records: [{id: first, token: public}]"),
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parseCompositionDocument(t, "second", "records: [{id: second, token: PRIVATE-RECORD-CANARY}]"),
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)
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if len(diagnostics) != 0 {
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t.Fatalf("compose diagnostics = %#v", diagnostics)
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}
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applications := append([]historyApplication(nil), composed.applications...)
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applications = append(applications, historyApplication{
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layer: LayerOverlay,
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value: parseCompositionDocument(t, "replacement", "records: [{id: replacement, token: visible}]"),
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})
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final := applications[len(applications)-1].value
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path := Keys("records").Index(1).Key("token")
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var metadata Metadata
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finalizeMetadataPaths(&metadata, final, applications)
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inspection := &Inspection{
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metadata: metadata, baseline: &document.Node{Kind: document.Mapping},
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input: final, final: final, applications: applications,
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}
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inspection.secrets = classifySecretPaths(nil, func(candidate Path) bool {
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return reflect.DeepEqual(candidate, path)
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}, metadata, final, applications)
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explanation, ok := inspection.Explain(path)
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if !ok || explanation.Effective.Present {
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t.Fatalf("replaced shifted record explanation = %#v, %v", explanation, ok)
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}
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var rendered bytes.Buffer
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if err := inspection.WriteExplanation(&rendered, path); err != nil {
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t.Fatal(err)
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}
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if strings.Contains(rendered.String(), "PRIVATE-RECORD-CANARY") || !strings.Contains(rendered.String(), "[REDACTED]") {
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t.Fatalf("replaced sensitive history leaked or was not redacted: %s", rendered.String())
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}
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}
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func mustParsePath(t *testing.T, value string) Path {
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t.Helper()
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path, err := ParsePath(value)
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if err != nil {
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t.Fatal(err)
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}
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return path
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}
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