From 426ebf854a82c63cdaa2413fbd1b005025dba95b Mon Sep 17 00:00:00 2001
From: David Sherret <dsherret@users.noreply.github.com>
Date: Mon, 11 Oct 2021 09:45:02 -0400
Subject: feat(unstable/test): imperative test steps API (#12190)

---
 cli/dts/lib.deno.unstable.d.ts | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

(limited to 'cli/dts/lib.deno.unstable.d.ts')

diff --git a/cli/dts/lib.deno.unstable.d.ts b/cli/dts/lib.deno.unstable.d.ts
index 73f4bfcb2..3bea165e5 100644
--- a/cli/dts/lib.deno.unstable.d.ts
+++ b/cli/dts/lib.deno.unstable.d.ts
@@ -948,6 +948,43 @@ declare namespace Deno {
     };
   }
 
+  /** **UNSTABLE**: New option, yet to be vetted. */
+  export interface TestContext {
+    /** Run a sub step of the parent test with a given name. Returns a promise
+     * that resolves to a boolean signifying if the step completed successfully.
+     * The returned promise never rejects unless the arguments are invalid.
+     * If the test was ignored, the promise returns `false`.
+     */
+    step(t: TestStepDefinition): Promise<boolean>;
+
+    /** Run a sub step of the parent test with a given name. Returns a promise
+     * that resolves to a boolean signifying if the step completed successfully.
+     * The returned promise never rejects unless the arguments are invalid.
+     * If the test was ignored, the promise returns `false`.
+     */
+    step(
+      name: string,
+      fn: (t: TestContext) => void | Promise<void>,
+    ): Promise<boolean>;
+  }
+
+  /** **UNSTABLE**: New option, yet to be vetted. */
+  export interface TestStepDefinition {
+    fn: (t: TestContext) => void | Promise<void>;
+    name: string;
+    ignore?: boolean;
+    /** Check that the number of async completed ops after the test is the same
+     * as number of dispatched ops. Defaults to true. */
+    sanitizeOps?: boolean;
+    /** Ensure the test case does not "leak" resources - ie. the resource table
+     * after the test has exactly the same contents as before the test. Defaults
+     * to true. */
+    sanitizeResources?: boolean;
+    /** Ensure the test case does not prematurely cause the process to exit,
+     * for example via a call to `Deno.exit`. Defaults to true. */
+    sanitizeExit?: boolean;
+  }
+
   /** **UNSTABLE**: new API, yet to be vetted.
    *
    * A generic transport listener for message-oriented protocols. */
-- 
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