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https://github.com/priyanshujain/sanderling.git
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pj
b657d4c74f
100ms of wall clock against an assertion that two steps ran fatals under load with "the web path never installed it", which reads as a regression. every sibling test in the package uses a long duration and MaxSteps.
79 lines
2.5 KiB
Go
79 lines
2.5 KiB
Go
package runner
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import (
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"context"
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"encoding/json"
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"testing"
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"time"
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mockdriver "github.com/priyanshujain/sanderling/internal/driver/mock"
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)
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// On web the spec's extractors run in the page, so state.lastAction has to be
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// installed there by the runner. It used to be hardcoded null in
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// pkg/spec/src/web-runtime.ts, which made every property gated on the last
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// action (folio's submitMovesBalanceByTypedAmount, for one) vacuously true on
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// web: no failure, no warning, just a green run that proved nothing.
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const lastActionSpec = `
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import { actions } from "@sanderling/spec";
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globalThis.actions = actions(() => []);
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globalThis.properties = {};
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`
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// tappingWebDriver is a web target whose V8 picker always taps one named
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// control, so the runner has a real applied action to report on the next step.
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type tappingWebDriver struct {
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*mockdriver.Driver
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installed []string
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}
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func (d *tappingWebDriver) InstallBundle(context.Context, []byte) error { return nil }
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func (d *tappingWebDriver) EvaluateExtractors(context.Context) (map[int]json.RawMessage, error) {
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return nil, nil
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}
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func (d *tappingWebDriver) NextActionFromV8(context.Context) (json.RawMessage, error) {
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return json.RawMessage(`{"kind":"Tap","x":12,"y":34,"selector":"id:TxnSubmit"}`), nil
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}
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func (d *tappingWebDriver) SetLastAction(_ context.Context, encoded json.RawMessage) error {
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d.installed = append(d.installed, string(encoded))
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return nil
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}
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func TestRunner_WebInstallsLastActionInThePage(t *testing.T) {
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state := newHarnessWithSpec(t, lastActionSpec)
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web := &tappingWebDriver{Driver: state.mock}
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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if _, err := Run(ctx, Options{
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Duration: time.Hour,
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IdleTimeout: 20 * time.Millisecond,
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MaxSteps: 3,
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Driver: web,
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Verifier: state.verifier,
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TraceWriter: state.writer,
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}); err != nil {
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t.Fatalf("Run: %v", err)
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}
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if len(web.installed) < 2 {
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t.Fatalf("the page was handed lastAction %d time(s); the web path never installed it",
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len(web.installed))
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}
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// Step 1 has no previous action, exactly as the goja host reports it.
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if web.installed[0] != "null" {
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t.Errorf("step 1 installed %s, want null", web.installed[0])
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}
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// Every later step carries what the runner actually applied. The shape is
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// the goja host's (internal/verifier/marshal.go lastActionFields), pinned
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// against it by TestLastAction_WebJSONMatchesTheGojaObject.
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const want = `{"kind":"Tap","on":"id:TxnSubmit"}`
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if web.installed[1] != want {
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t.Errorf("step 2 installed %s, want %s", web.installed[1], want)
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}
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}
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