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test(peer): check the vault refusal error envelope #566

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Merged
lukemaj merged 1 commit into from
Oct 20, 2026
Merged

test(peer): check the vault refusal error envelope #566

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23 changes: 17 additions & 6 deletions apps/server/src/preview/CredentialFill.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@ import * as Effect from "effect/Effect";
import * as FileSystem from "effect/FileSystem";
import * as Layer from "effect/Layer";
import * as Path from "effect/Path";
import * as Schema from "effect/Schema";
import * as Stream from "effect/Stream";
import { McpSchema, McpServer } from "effect/ai";
import {
Expand Down Expand Up @@ -51,6 +52,15 @@ const expectNoSentinel = (value: unknown) => {
expect(text).not.toContain(encodeURIComponent(sentinel));
}
};
const decodeCredentialFailureContent = Schema.decodeUnknownEffect(
Schema.Tuple([
Schema.Struct({
type: Schema.Literal("text"),
text: Schema.fromJsonString(Schema.Struct({ message: Schema.String })),
}),
]),
{ onExcessProperty: "error" },
);

describe("matchingItemHost", () => {
const table: ReadonlyArray<[string, ReadonlyArray<string>, boolean]> = [
Expand Down Expand Up @@ -437,12 +447,13 @@ describe("fillCredential in a real browser", () => {
itemUris = ["shopify.com"];
const mismatch = yield* call({ item: "Example", field: "username", locator: "#user" });
expect(mismatch.isError).toBe(true);
expect(mismatch.content).toEqual([
{
type: "text",
text: new PreviewCredentialError({ reason: "originMismatch" }).message,
},
]);
expect(mismatch.structuredContent).toBeUndefined();
const [failure] = yield* decodeCredentialFailureContent(mismatch.content);
expect(failure.text).toEqual({
message: new PreviewCredentialError({ reason: "originMismatch" }).message,
});
expect(vaultCalls).toEqual(["uris:Example", "password:Example", "uris:Example"]);
expect(yield* Effect.promise(() => page.inputValue("#user"))).toBe("");
expectNoSentinel([filled, mismatch]);

const config = yield* ServerConfig.ServerConfig;
Expand Down
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