Add basic load test utilities to the application.

load_tests/README.md

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+# Load Tests
+
+This utilizes [k6](https://github.com/grafana/k6) to test our application
+under a defined amount of load. You can
+[install k6 here](https://grafana.com/docs/k6/latest/get-started/installation/).
+
+These tests aren't promised to work out of the box. You may need
+to tweak things future-djangonaut.
+
+To run a test:
+
+```shell
+k6 run test_blog.js
+```

load_tests/basic_plan.js

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+import http from "k6/http";
+import { check, sleep } from "k6";
+
+// Test configuration
+export const options = {
+  thresholds: {
+    // Assert that 99% of requests finish within 3000ms.
+    http_req_duration: ["p(99) < 3000"],
+  },
+  // Ramp the number of virtual users up and down
+  stages: [
+    { duration: "30s", target: 15 },
+    { duration: "1m", target: 15 },
+    { duration: "20s", target: 0 },
+  ],
+};
+
+// Simulated user behavior
+export function basicPlan(url) {
+  return function () {
+    let res = http.get(url);
+    // Validate response status
+    check(res, { "status was 200": (r) => r.status == 200 });
+    sleep(1);
+  }
+}

load_tests/test_blog.js

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+import {options, basicPlan} from "./basic_plan.js";
+
+exports.options = options
+
+const testBlog = basicPlan("https://djangonaut.space/comms/2024/03/08/2024-session-1-mission-debrief/")
+
+// Simulated user behavior
+export default testBlog

load_tests/test_session.js

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+import {options, basicPlan} from "./basic_plan.js";
+
+exports.options = options
+
+const testSession = basicPlan("https://djangonaut.space/sessions/2024-session-2/")
+
+// Simulated user behavior
+export default testSession

load_tests/test_survey.js

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+import http from "k6/http";
+import { check, sleep } from "k6";
+import {options} from "./basic_plan.js";
+
+// Test configuration
+exports.options = options
+
+const PASSWORD = ''; // Reset the password on production
+
+// Simulated user behavior
+export default function () {
+  let res = http.get("https://djangonaut.space/accounts/login/");
+  check(res, { "status was 200": (r) => r.status == 200 });
+  res = res.submitForm({
+    formSelector: 'form',
+    fields: { username: `load_test${__ITER}`, password: PASSWORD },
+  });
+  check(res, { "status was 200": (r) => r.status == 200 });
+  res = http.get("https://djangonaut.space/survey_response/create/load-test/");
+  check(res, { "status was 200": (r) => r.status == 200 });
+  res = res.submitForm({
+    formSelector: 'form',
+    fields: { field_survey_1: 'load_test', field_survey_2: 2, field_survey_3: "final value over 100 characters. final value over 100 characters. final value over 100 characters. final value over 100 characters. final value over 100 characters. final value over 100 characters. final value over 100 characters. final value over 100 characters. final value over 100 characters. final value over 100 characters. " },
+  });
+  check(res, { "status was 200": (r) => r.status == 200 });
+  sleep(1);
+}