feat: runtime manager

rtmanager/internal/domain/health/snapshot_test.go

@@ -0,0 +1,133 @@
+package health
+
+import (
+	"encoding/json"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestEventTypeIsKnown(t *testing.T) {
+	for _, eventType := range AllEventTypes() {
+		assert.Truef(t, eventType.IsKnown(), "expected %q known", eventType)
+	}
+
+	assert.False(t, EventType("").IsKnown())
+	assert.False(t, EventType("paused").IsKnown())
+}
+
+func TestAllEventTypesCoverFrozenSet(t *testing.T) {
+	assert.ElementsMatch(t,
+		[]EventType{
+			EventTypeContainerStarted,
+			EventTypeContainerExited,
+			EventTypeContainerOOM,
+			EventTypeContainerDisappeared,
+			EventTypeInspectUnhealthy,
+			EventTypeProbeFailed,
+			EventTypeProbeRecovered,
+		},
+		AllEventTypes(),
+	)
+}
+
+func TestSnapshotStatusIsKnown(t *testing.T) {
+	for _, status := range AllSnapshotStatuses() {
+		assert.Truef(t, status.IsKnown(), "expected %q known", status)
+	}
+
+	assert.False(t, SnapshotStatus("").IsKnown())
+	assert.False(t, SnapshotStatus("starting").IsKnown())
+	assert.False(t, SnapshotStatus("probe_recovered").IsKnown(),
+		"snapshot status must not include event-only values")
+	assert.False(t, SnapshotStatus("container_started").IsKnown(),
+		"snapshot status must not include event-only values")
+}
+
+func TestAllSnapshotStatusesCoverFrozenSet(t *testing.T) {
+	assert.ElementsMatch(t,
+		[]SnapshotStatus{
+			SnapshotStatusHealthy,
+			SnapshotStatusProbeFailed,
+			SnapshotStatusExited,
+			SnapshotStatusOOM,
+			SnapshotStatusInspectUnhealthy,
+			SnapshotStatusContainerDisappeared,
+		},
+		AllSnapshotStatuses(),
+	)
+}
+
+func TestSnapshotSourceIsKnown(t *testing.T) {
+	for _, source := range AllSnapshotSources() {
+		assert.Truef(t, source.IsKnown(), "expected %q known", source)
+	}
+
+	assert.False(t, SnapshotSource("").IsKnown())
+	assert.False(t, SnapshotSource("manual").IsKnown())
+}
+
+func TestAllSnapshotSourcesCoverFrozenSet(t *testing.T) {
+	assert.ElementsMatch(t,
+		[]SnapshotSource{
+			SnapshotSourceDockerEvent,
+			SnapshotSourceInspect,
+			SnapshotSourceProbe,
+		},
+		AllSnapshotSources(),
+	)
+}
+
+func sampleSnapshot() HealthSnapshot {
+	return HealthSnapshot{
+		GameID:      "game-test",
+		ContainerID: "container-1",
+		Status:      SnapshotStatusHealthy,
+		Source:      SnapshotSourceProbe,
+		Details:     json.RawMessage(`{"prior_failure_count":0}`),
+		ObservedAt:  time.Date(2026, 4, 27, 12, 0, 0, 0, time.UTC),
+	}
+}
+
+func TestHealthSnapshotValidateHappy(t *testing.T) {
+	require.NoError(t, sampleSnapshot().Validate())
+}
+
+func TestHealthSnapshotValidateAcceptsEmptyDetails(t *testing.T) {
+	snapshot := sampleSnapshot()
+	snapshot.Details = nil
+
+	assert.NoError(t, snapshot.Validate())
+}
+
+func TestHealthSnapshotValidateAcceptsEmptyContainerID(t *testing.T) {
+	snapshot := sampleSnapshot()
+	snapshot.ContainerID = ""
+
+	assert.NoError(t, snapshot.Validate())
+}
+
+func TestHealthSnapshotValidateRejects(t *testing.T) {
+	tests := []struct {
+		name   string
+		mutate func(*HealthSnapshot)
+	}{
+		{"empty game id", func(s *HealthSnapshot) { s.GameID = "" }},
+		{"unknown status", func(s *HealthSnapshot) { s.Status = "exotic" }},
+		{"unknown source", func(s *HealthSnapshot) { s.Source = "exotic" }},
+		{"zero observed at", func(s *HealthSnapshot) { s.ObservedAt = time.Time{} }},
+		{"invalid details json", func(s *HealthSnapshot) {
+			s.Details = json.RawMessage("not-json")
+		}},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			snapshot := sampleSnapshot()
+			tt.mutate(&snapshot)
+			assert.Error(t, snapshot.Validate())
+		})
+	}
+}