Add unit tests; comments

internal/mode/static/policies/clientsettings/generator.go

@@ -37,7 +37,7 @@ keepalive_timeout {{ .KeepAlive.Timeout.Server }};
 `
 
 // Generate generates configuration as []byte for a ClientSettingsPolicy.
-func Generate(policy policies.Policy, _ *policies.GlobalPolicySettings) []byte {
+func Generate(policy policies.Policy, _ *policies.GlobalSettings) []byte {
 	csp := helpers.MustCastObject[*ngfAPI.ClientSettingsPolicy](policy)
 
 	return helpers.MustExecuteTemplate(tmpl, csp.Spec)

internal/mode/static/policies/clientsettings/validator.go

@@ -25,7 +25,7 @@ func NewValidator(genericValidator validation.GenericValidator) *Validator {
 }
 
 // Validate validates the spec of a ClientSettingsPolicy.
-func (v *Validator) Validate(policy policies.Policy, _ *policies.GlobalPolicySettings) []conditions.Condition {
+func (v *Validator) Validate(policy policies.Policy, _ *policies.GlobalSettings) []conditions.Condition {
 	csp := helpers.MustCastObject[*ngfAPI.ClientSettingsPolicy](policy)
 
 	targetRefPath := field.NewPath("spec").Child("targetRef")

internal/mode/static/policies/manager.go

@@ -12,14 +12,14 @@ import (
 )
 
 // GenerateFunc generates config as []byte for an NGF Policy.
-type GenerateFunc func(policy Policy, globalSettings *GlobalPolicySettings) []byte
+type GenerateFunc func(policy Policy, globalSettings *GlobalSettings) []byte
 
 // Validator validates an NGF Policy.
 //
 //counterfeiter:generate . Validator
 type Validator interface {
 	// Validate validates an NGF Policy.
-	Validate(policy Policy, globalSettings *GlobalPolicySettings) []conditions.Condition
+	Validate(policy Policy, globalSettings *GlobalSettings) []conditions.Condition
 	// Conflicts returns true if the two Policies conflict.
 	Conflicts(a, b Policy) bool
 }
@@ -62,7 +62,7 @@ func NewManager(
 }
 
 // Generate generates config for the policy as a byte array.
-func (m *Manager) Generate(policy Policy, globalSettings *GlobalPolicySettings) []byte {
+func (m *Manager) Generate(policy Policy, globalSettings *GlobalSettings) []byte {
 	gvk := m.mustExtractGVK(policy)
 
 	generate, ok := m.generators[gvk]
@@ -74,7 +74,7 @@ func (m *Manager) Generate(policy Policy, globalSettings *GlobalPolicySettings)
 }
 
 // Validate validates the policy.
-func (m *Manager) Validate(policy Policy, globalSettings *GlobalPolicySettings) []conditions.Condition {
+func (m *Manager) Validate(policy Policy, globalSettings *GlobalSettings) []conditions.Condition {
 	gvk := m.mustExtractGVK(policy)
 
 	validator, ok := m.validators[gvk]

internal/mode/static/policies/manager_test.go

@@ -42,24 +42,24 @@ var _ = Describe("Policy Manager", func() {
 		mustExtractGVK,
 		policies.ManagerConfig{
 			Validator: &policiesfakes.FakeValidator{
-				ValidateStub: func(_ policies.Policy, _ *policies.GlobalPolicySettings) []conditions.Condition {
+				ValidateStub: func(_ policies.Policy, _ *policies.GlobalSettings) []conditions.Condition {
 					return []conditions.Condition{staticConds.NewPolicyInvalid("apple error")}
 				},
 				ConflictsStub: func(_ policies.Policy, _ policies.Policy) bool { return true },
 			},
-			Generator: func(_ policies.Policy, _ *policies.GlobalPolicySettings) []byte {
+			Generator: func(_ policies.Policy, _ *policies.GlobalSettings) []byte {
 				return []byte("apple")
 			},
 			GVK: appleGVK,
 		},
 		policies.ManagerConfig{
 			Validator: &policiesfakes.FakeValidator{
-				ValidateStub: func(_ policies.Policy, _ *policies.GlobalPolicySettings) []conditions.Condition {
+				ValidateStub: func(_ policies.Policy, _ *policies.GlobalSettings) []conditions.Condition {
 					return []conditions.Condition{staticConds.NewPolicyInvalid("orange error")}
 				},
 				ConflictsStub: func(_ policies.Policy, _ policies.Policy) bool { return false },
 			},
-			Generator: func(_ policies.Policy, _ *policies.GlobalPolicySettings) []byte {
+			Generator: func(_ policies.Policy, _ *policies.GlobalSettings) []byte {
 				return []byte("orange")
 			},
 			GVK: orangeGVK,

internal/mode/static/policies/observability/generator.go

@@ -30,7 +30,7 @@ otel_span_attr "{{ $attr.Key }}" "{{ $attr.Value }}";
 `
 
 // Generate generates configuration as []byte for an ObservabilityPolicy.
-func Generate(policy policies.Policy, globalSettings *policies.GlobalPolicySettings) []byte {
+func Generate(policy policies.Policy, globalSettings *policies.GlobalSettings) []byte {
 	obs := helpers.MustCastObject[*ngfAPI.ObservabilityPolicy](policy)
 
 	var strategy string

internal/mode/static/policies/observability/generator_test.go

@@ -22,7 +22,7 @@ func TestGenerate(t *testing.T) {
 	tests := []struct {
 		name           string
 		policy         policies.Policy
-		globalSettings *policies.GlobalPolicySettings
+		globalSettings *policies.GlobalSettings
 		expStrings     []string
 	}{
 		{
@@ -138,7 +138,7 @@ func TestGenerate(t *testing.T) {
 					Tracing: &ngfAPI.Tracing{},
 				},
 			},
-			globalSettings: &policies.GlobalPolicySettings{
+			globalSettings: &policies.GlobalSettings{
 				TracingSpanAttributes: []ngfAPI.SpanAttribute{
 					{Key: "test-global-key", Value: "test-global-value"},
 				},
@@ -162,7 +162,7 @@ func TestGenerate(t *testing.T) {
 					},
 				},
 			},
-			globalSettings: &policies.GlobalPolicySettings{
+			globalSettings: &policies.GlobalSettings{
 				TracingSpanAttributes: []ngfAPI.SpanAttribute{
 					{Key: "test-global-key", Value: "test-global-value"},
 				},

internal/mode/static/policies/observability/validator.go

@@ -27,7 +27,7 @@ func NewValidator(genericValidator validation.GenericValidator) *Validator {
 // Validate validates the spec of an ObservabilityPolicy.
 func (v *Validator) Validate(
 	policy policies.Policy,
-	globalSettings *policies.GlobalPolicySettings,
+	globalSettings *policies.GlobalSettings,
 ) []conditions.Condition {
 	obs := helpers.MustCastObject[*ngfAPI.ObservabilityPolicy](policy)
 

internal/mode/static/policies/observability/validator_test.go

@@ -52,15 +52,15 @@ func createModifiedPolicy(mod policyModFunc) *ngfAPI.ObservabilityPolicy {
 }
 
 func TestValidator_Validate(t *testing.T) {
-	globalSettings := &policies.GlobalPolicySettings{
+	globalSettings := &policies.GlobalSettings{
 		NginxProxyValid:  true,
 		TelemetryEnabled: true,
 	}
 
 	tests := []struct {
 		name           string
 		policy         *ngfAPI.ObservabilityPolicy
-		globalSettings *policies.GlobalPolicySettings
+		globalSettings *policies.GlobalSettings
 		expConditions  []conditions.Condition
 	}{
 		{
@@ -73,15 +73,15 @@ func TestValidator_Validate(t *testing.T) {
 		{
 			name:           "validation context is invalid",
 			policy:         createValidPolicy(),
-			globalSettings: &policies.GlobalPolicySettings{NginxProxyValid: false},
+			globalSettings: &policies.GlobalSettings{NginxProxyValid: false},
 			expConditions: []conditions.Condition{
 				staticConds.NewPolicyNotAcceptedNginxProxyNotSet(staticConds.PolicyMessageNginxProxyInvalid),
 			},
 		},
 		{
 			name:           "telemetry is not enabled",
 			policy:         createValidPolicy(),
-			globalSettings: &policies.GlobalPolicySettings{NginxProxyValid: true, TelemetryEnabled: false},
+			globalSettings: &policies.GlobalSettings{NginxProxyValid: true, TelemetryEnabled: false},
 			expConditions: []conditions.Condition{
 				staticConds.NewPolicyNotAcceptedNginxProxyNotSet(staticConds.PolicyMessageTelemetryNotEnabled),
 			},

internal/mode/static/policies/policy.go

@@ -27,15 +27,18 @@ type Policy interface {
 //
 //counterfeiter:generate . ConfigGenerator
 type ConfigGenerator interface {
-	Generate(policy Policy, globalSettings *GlobalPolicySettings) []byte
+	Generate(policy Policy, globalSettings *GlobalSettings) []byte
 }
 
-// GlobalPolicySettings contains global settings from the current state of the graph that may be
+// GlobalSettings contains global settings from the current state of the graph that may be
 // needed for policy validation or generation if certain policies rely on those global settings.
-type GlobalPolicySettings struct {
+type GlobalSettings struct {
+	// TracingSpanAttributes contain the attributes specified in the NginxProxy resource.
 	TracingSpanAttributes []ngfAPI.SpanAttribute
-	NginxProxyValid       bool
-	TelemetryEnabled      bool
+	// NginxProxyValid is whether or not the NginxProxy resource is valid.
+	NginxProxyValid bool
+	// TelemetryEnabled is whether or not telemetry is enabled in the NginxProxy resource.
+	TelemetryEnabled bool
 }
 
 // ValidateTargetRef validates a policy's targetRef for the proper group and kind.

internal/mode/static/state/dataplane/configuration.go

@@ -218,7 +218,7 @@ func buildServers(g *graph.Graph, generator policies.ConfigGenerator) (http, ssl
 				rulesForProtocol[l.Source.Protocol][l.Source.Port] = rules
 			}
 
-			rules.upsertListener(l, g.GlobalPolicySettings)
+			rules.upsertListener(l, g.GlobalSettings)
 		}
 	}
 
@@ -227,7 +227,7 @@ func buildServers(g *graph.Graph, generator policies.ConfigGenerator) (http, ssl
 
 	httpServers, sslServers := httpRules.buildServers(), sslRules.buildServers()
 
-	additions := buildAdditions(g.Gateway.Policies, g.GlobalPolicySettings, generator)
+	additions := buildAdditions(g.Gateway.Policies, g.GlobalSettings, generator)
 
 	for i := range httpServers {
 		httpServers[i].Additions = additions
@@ -281,7 +281,7 @@ func newHostPathRules(generator policies.ConfigGenerator) *hostPathRules {
 	}
 }
 
-func (hpr *hostPathRules) upsertListener(l *graph.Listener, globalSettings *policies.GlobalPolicySettings) {
+func (hpr *hostPathRules) upsertListener(l *graph.Listener, globalSettings *policies.GlobalSettings) {
 	hpr.listenersExist = true
 	hpr.port = int32(l.Source.Port)
 
@@ -301,7 +301,7 @@ func (hpr *hostPathRules) upsertListener(l *graph.Listener, globalSettings *poli
 func (hpr *hostPathRules) upsertRoute(
 	route *graph.L7Route,
 	listener *graph.Listener,
-	globalSettings *policies.GlobalPolicySettings,
+	globalSettings *policies.GlobalSettings,
 ) {
 	var hostnames []string
 	GRPC := route.RouteType == graph.RouteTypeGRPC
@@ -674,7 +674,7 @@ func buildBaseHTTPConfig(g *graph.Graph) BaseHTTPConfig {
 
 func buildAdditions(
 	policies []*graph.Policy,
-	globalSettings *policies.GlobalPolicySettings,
+	globalSettings *policies.GlobalSettings,
 	generator policies.ConfigGenerator,
 ) []Addition {
 	if len(policies) == 0 {