1 files changed, 122 insertions, 0 deletions
diff --git a/cli/tests/testdata/test/steps/invalid_usage.ts b/cli/tests/testdata/test/steps/invalid_usage.ts
new file mode 100644
index 000000000..f670c842e
--- /dev/null
+++ b/cli/tests/testdata/test/steps/invalid_usage.ts
@@ -0,0 +1,122 @@
+import { deferred } from "../../../../../test_util/std/async/deferred.ts";
+
+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((resolve) => setTimeout(resolve, 10));
+  });
+});
+
+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 = deferred();
+  const step2Finished = deferred();
+  const step1 = t.step("step 1", async () => {
+    step1Entered.resolve();
+    await step2Finished;
+  });
+  await step1Entered;
+  await t.step("step 2", () => {});
+  step2Finished.resolve();
+  await step1;
+});
+
+Deno.test("parallel steps when first has sanitizer", async (t) => {
+  const step1Entered = deferred();
+  const step2Finished = deferred();
+  const step1 = t.step({
+    name: "step 1",
+    fn: async () => {
+      step1Entered.resolve();
+      await step2Finished;
+    },
+  });
+  await step1Entered;
+  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 = deferred();
+  const step2Finished = deferred();
+  const step1 = t.step({
+    name: "step 1",
+    fn: async () => {
+      step1Entered.resolve();
+      await step2Finished;
+    },
+    sanitizeOps: false,
+    sanitizeResources: false,
+    sanitizeExit: false,
+  });
+  await step1Entered;
+  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 = deferred();
+    const step2Finished = deferred();
+    const step1 = t.step("step 1", async (t) => {
+      await t.step({
+        name: "step inner",
+        fn: async () => {
+          step1Entered.resolve();
+          await step2Finished;
+        },
+        sanitizeOps: true,
+      });
+    });
+    await step1Entered;
+    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,
+});