591a0d4681
Unquoted numeric id placeholders made recorded JSON illegal to parse. Replay now recaptures, persists vars, expands the expected body, and diffs against the live response. Co-authored-by: Cursor <cursoragent@cursor.com>
105 lines
2.9 KiB
Go
105 lines
2.9 KiB
Go
package tide
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import (
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"context"
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"fmt"
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"strings"
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)
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// ReplayFlow executes each recorded step against target and diffs responses.
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func ReplayFlow(ctx context.Context, flow Flow, cfg ReplayConfig) (Result, error) {
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if err := validateFlow(flow); err != nil {
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return Result{}, err
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}
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if strings.TrimSpace(cfg.Target) == "" {
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return Result{}, fmt.Errorf("tide: replay target is required")
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}
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client := cfg.Client
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if client == nil {
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client = defaultClient()
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}
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limit := maxBody(cfg.MaxBody)
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store := cfg.Store
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if store == nil {
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store = mustMemoryStore()
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}
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result := Result{OK: true, Steps: make([]StepResult, 0, len(flow.Steps))}
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skipRest := false
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for _, step := range flow.Steps {
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if skipRest {
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result.Steps = append(result.Steps, StepResult{ID: step.ID, Skipped: true})
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continue
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}
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sr := StepResult{ID: step.ID, OK: true}
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want := step
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if err := materializeSidecar(cfg.BaseDir, &want.Response); err != nil {
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return result, fmt.Errorf("tide: replay step %s: %w", step.ID, err)
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}
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req, err := expandRequest(step.Request, store)
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if err != nil {
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sr.OK = false
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result.OK = false
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sr.Diffs = append(sr.Diffs, Diff{Path: "request", Expected: "resolved placeholders", Actual: err.Error()})
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result.Steps = append(result.Steps, sr)
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skipRest = true
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continue
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}
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got, err := doStep(ctx, client, cfg.Target, req, limit)
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if err != nil {
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return result, fmt.Errorf("tide: replay step %s: %w", step.ID, err)
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}
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live := step
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live.Request = req
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live.Response = got
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if err := CaptureStep(store, &live); err != nil {
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sr.OK = false
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result.OK = false
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sr.Diffs = append(sr.Diffs, Diff{Path: "capture", Expected: "captured value", Actual: err.Error()})
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result.Steps = append(result.Steps, sr)
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skipRest = true
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continue
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}
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if err := store.Save(); err != nil {
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return result, fmt.Errorf("tide: replay step %s: %w", step.ID, err)
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}
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want.Response, err = expandResponse(want.Response, store)
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if err != nil {
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sr.OK = false
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result.OK = false
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sr.Diffs = append(sr.Diffs, Diff{Path: "expected", Expected: "resolved placeholders", Actual: err.Error()})
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result.Steps = append(result.Steps, sr)
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skipRest = true
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continue
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}
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sr.Diffs = append(sr.Diffs, compareStep(want, live.Response)...)
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if len(sr.Diffs) > 0 {
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sr.OK = false
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result.OK = false
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}
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result.Steps = append(result.Steps, sr)
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}
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if !result.OK {
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return result, &MismatchError{Result: result}
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}
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return result, nil
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}
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func mustMemoryStore() *Store {
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s, _ := OpenStore("")
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return s
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}
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func compareStep(want Step, got Response) []Diff {
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var diffs []Diff
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if want.Response.Status != 0 && got.Status != want.Response.Status {
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diffs = append(diffs, Diff{
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Path: "status",
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Expected: fmt.Sprintf("%d", want.Response.Status),
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Actual: fmt.Sprintf("%d", got.Status),
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})
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}
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diffs = append(diffs, compareHeaders(want.Response.Headers, got.Headers, want.Headers)...)
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diffs = append(diffs, compareBodies(want.Response, got, want)...)
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return diffs
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}
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