Deno.test("capturing", async (t) => { let capturedContext!: Deno.TestContext; await t.step("some step", (t) => { capturedContext = t; }); // this should error because the scope of the tester has already completed await capturedContext.step("next step", () => {}); }); Deno.test("top level missing await", (t) => { t.step("step", () => { return new Promise(() => {}); }); }); Deno.test({ name: "inner missing await", fn: async (t) => { await t.step("step", (t) => { t.step("inner", () => { return new Promise((resolve) => setTimeout(resolve, 10)); }); }); await new Promise((resolve) => setTimeout(resolve, 10)); }, sanitizeResources: false, sanitizeOps: false, sanitizeExit: false, }); Deno.test("parallel steps with sanitizers", async (t) => { // not allowed because steps with sanitizers cannot be run in parallel const step1Entered = Promise.withResolvers(); const testFinished = Promise.withResolvers(); t.step("step 1", async () => { step1Entered.resolve(); await testFinished.promise; }); await step1Entered.promise; await t.step("step 2", () => {}); }); Deno.test("parallel steps when first has sanitizer", async (t) => { const step1Entered = Promise.withResolvers(); const step2Finished = Promise.withResolvers(); const step1 = t.step({ name: "step 1", fn: async () => { step1Entered.resolve(); await step2Finished.promise; }, }); await step1Entered.promise; await t.step({ name: "step 2", fn: () => {}, sanitizeOps: false, sanitizeResources: false, sanitizeExit: false, }); step2Finished.resolve(); await step1; }); Deno.test("parallel steps when second has sanitizer", async (t) => { const step1Entered = Promise.withResolvers(); const step2Finished = Promise.withResolvers(); const step1 = t.step({ name: "step 1", fn: async () => { step1Entered.resolve(); await step2Finished.promise; }, sanitizeOps: false, sanitizeResources: false, sanitizeExit: false, }); await step1Entered.promise; await t.step({ name: "step 2", fn: async () => { await new Promise((resolve) => setTimeout(resolve, 100)); }, }); step2Finished.resolve(); await step1; }); Deno.test({ name: "parallel steps where only inner tests have sanitizers", fn: async (t) => { const step1Entered = Promise.withResolvers(); const step2Finished = Promise.withResolvers(); const step1 = t.step("step 1", async (t) => { await t.step({ name: "step inner", fn: async () => { step1Entered.resolve(); await step2Finished.promise; }, sanitizeOps: true, }); }); await step1Entered.promise; await t.step("step 2", async (t) => { await t.step({ name: "step inner", fn: () => {}, sanitizeOps: true, }); }); step2Finished.resolve(); await step1; }, sanitizeResources: false, sanitizeOps: false, sanitizeExit: false, });