test(agentcompat): add integration scenarios

Co-authored-by: naiba/CloudCode <hi+cloudcode@nai.ba>

integration/agentcompat/internal/scenario/foundation.go

@@ -0,0 +1,101 @@
+//go:build linux
+
+package scenario
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"reflect"
+
+	"github.com/nezhahq/nezha/integration/agentcompat/internal/evidence"
+)
+
+var ErrConfigIdentityChanged = errors.New("scenario: config identity changed")
+
+type AgentConfigSnapshot struct {
+	Debug        bool
+	ReportDelay  uint32
+	ClientSecret string
+	UUID         string
+	Server       string
+}
+
+type AgentConfig struct {
+	Debug        bool   `json:"debug" yaml:"debug"`
+	Server       string `json:"server" yaml:"server"`
+	ClientSecret string `json:"client_secret" yaml:"client_secret"`
+	UUID         string `json:"uuid" yaml:"uuid"`
+	ReportDelay  uint32 `json:"report_delay" yaml:"report_delay"`
+	TLS          bool   `json:"tls" yaml:"tls"`
+	InsecureTLS  bool   `json:"insecure_tls" yaml:"insecure_tls"`
+}
+
+type ConfigDiffResult struct {
+	DebugChanged       bool
+	ReportDelayChanged bool
+}
+
+func ConfigDiff(original, updated AgentConfigSnapshot) (ConfigDiffResult, error) {
+	if original.ClientSecret != updated.ClientSecret || original.UUID != updated.UUID || original.Server != updated.Server {
+		return ConfigDiffResult{}, ErrConfigIdentityChanged
+	}
+	return ConfigDiffResult{DebugChanged: original.Debug != updated.Debug, ReportDelayChanged: original.ReportDelay != updated.ReportDelay}, nil
+}
+
+type Assertion struct {
+	Name    string `json:"name"`
+	Passed  bool   `json:"passed"`
+	Details string `json:"details,omitempty"`
+}
+
+type Result struct {
+	Name       string      `json:"name"`
+	Passed     bool        `json:"passed"`
+	Assertions []Assertion `json:"assertions"`
+	CleanupOK  bool        `json:"cleanup_ok"`
+	Error      string      `json:"error,omitempty"`
+}
+
+type AssertionSet struct {
+	assertions []Assertion
+}
+
+func NewAssertionSet() *AssertionSet { return &AssertionSet{} }
+
+func (set *AssertionSet) Record(name string, passed bool, details string) {
+	set.assertions = append(set.assertions, Assertion{Name: name, Passed: passed, Details: evidence.Redact(details)})
+}
+
+func (set *AssertionSet) Results() []Assertion {
+	return append([]Assertion(nil), set.assertions...)
+}
+
+func (set *AssertionSet) Run(run func(*AssertionSet) error) error { return run(set) }
+
+func configSnapshot(config AgentConfig) AgentConfigSnapshot {
+	return AgentConfigSnapshot{Debug: config.Debug, ReportDelay: config.ReportDelay, ClientSecret: config.ClientSecret, UUID: config.UUID, Server: config.Server}
+}
+
+func changedOnlyDebugAndReportDelay(original, updated AgentConfig) error {
+	before := original
+	after := updated
+	before.Debug = after.Debug
+	before.ReportDelay = after.ReportDelay
+	if !reflect.DeepEqual(before, after) {
+		return errors.New("config update changed fields other than debug and report_delay")
+	}
+	return nil
+}
+
+func decodeAgentConfig(raw string) (AgentConfig, error) {
+	var config AgentConfig
+	if err := json.Unmarshal([]byte(raw), &config); err != nil {
+		return AgentConfig{}, err
+	}
+	return config, nil
+}
+
+type Context struct {
+	Context context.Context
+}