tests: define test_delete cases

Author: eshaan7

tests/test_basic.py

@@ -96,3 +96,34 @@ def test_get_with_wait(self):
         self.assertEqual(r2_json["report"], "")
         self.assertEqual(r2_json["error"], "")
         self.assertEqual(r2_json["returncode"], 0)
+
+    def test_delete__204(self):
+        # create command process
+        r1 = self.client.post(
+            "/cmd/sleep", json={"args": ["10"], "force_unique_key": True}
+        )
+        r1_json = r1.get_json()
+        self.assertStatus(r1, 202)
+        # request cancellation: correct key
+        r2 = self.client.delete(f"/cmd/sleep?key={r1_json['key']}")
+        self.assertStatus(r2, 204)
+
+    def test_delete__400(self):
+        # create command process
+        r1 = self.client.post(
+            "/cmd/sleep", json={"args": ["10"], "force_unique_key": True}
+        )
+        self.assertStatus(r1, 202)
+        # request cancellation: no key
+        r2 = self.client.delete("/cmd/sleep?key=")
+        self.assertStatus(r2, 400)
+
+    def test_delete__404(self):
+        # create command process
+        r1 = self.client.post(
+            "/cmd/sleep", json={"args": ["10"], "force_unique_key": True}
+        )
+        self.assertStatus(r1, 202)
+        # request cancellation: invalid key
+        r2 = self.client.delete("/cmd/sleep?key=abcdefg")
+        self.assertStatus(r2, 404)