test: Add kernel append tests

This adds basic tests for kernel append.

src/test/Components/CreateImageWizard/steps/Kernel/Kernel.test.tsx

@@ -2,9 +2,14 @@ import type { Router as RemixRouter } from '@remix-run/router';
 import { screen, waitFor } from '@testing-library/react';
 import { userEvent } from '@testing-library/user-event';
 
+import { CREATE_BLUEPRINT } from '../../../../../constants';
 import {
+  blueprintRequest,
   clickBack,
   clickNext,
+  enterBlueprintName,
+  interceptBlueprintRequest,
+  openAndDismissSaveAndBuildModal,
   verifyCancelButton,
 } from '../../wizardTestUtils';
 import { clickRegisterLater, renderCreateMode } from '../../wizardTestUtils';
@@ -31,6 +36,70 @@ const goToKernelStep = async () => {
   await clickNext(); // Kernel
 };
 
+const goToOpenSCAPStep = async () => {
+  const user = userEvent.setup();
+  const guestImageCheckBox = await screen.findByRole('checkbox', {
+    name: /virtualization guest image checkbox/i,
+  });
+  await waitFor(() => user.click(guestImageCheckBox));
+  await clickNext(); // Registration
+  await clickRegisterLater();
+  await clickNext(); // OpenSCAP
+};
+
+const goFromOpenSCAPToKernel = async () => {
+  await clickNext(); // File system configuration
+  await clickNext(); // Snapshots
+  await clickNext(); // Custom repositories
+  await clickNext(); // Additional packages
+  await clickNext(); // Users
+  await clickNext(); // Timezone
+  await clickNext(); // Locale
+  await clickNext(); // Hostname
+  await clickNext(); // Kernel
+};
+
+const goToReviewStep = async () => {
+  await clickNext(); // First boot script
+  await clickNext(); // Details
+  await enterBlueprintName();
+  await clickNext(); // Review
+};
+
+const addKernelAppend = async (kernelArg: string) => {
+  const user = userEvent.setup();
+  const kernelAppendInput = await screen.findByPlaceholderText(
+    'Add kernel argument'
+  );
+  await waitFor(() => user.click(kernelAppendInput));
+  await waitFor(() => user.type(kernelAppendInput, kernelArg));
+
+  const addKernelArg = await screen.findByRole('button', {
+    name: /Add kernel argument/,
+  });
+  await waitFor(() => user.click(addKernelArg));
+};
+
+const removeKernelArg = async (kernelArg: string) => {
+  const user = userEvent.setup();
+
+  const removeNosmtArgButton = await screen.findByRole('button', {
+    name: `close ${kernelArg}`,
+  });
+  await waitFor(() => user.click(removeNosmtArgButton));
+};
+
+const selectProfile = async () => {
+  const user = userEvent.setup();
+  const selectProfileDropdown = await screen.findByRole('textbox', {
+    name: /select a profile/i,
+  });
+  await waitFor(() => user.click(selectProfileDropdown));
+
+  const cis1Profile = await screen.findByText(/Kernel append only profile/i);
+  await waitFor(() => user.click(cis1Profile));
+};
+
 describe('Step Kernel', () => {
   beforeEach(() => {
     vi.clearAllMocks();
@@ -58,8 +127,106 @@ describe('Step Kernel', () => {
     await goToKernelStep();
     await verifyCancelButton(router);
   });
+
+  test('kernel argument can be added and removed', async () => {
+    await renderCreateMode();
+    await goToKernelStep();
+    await addKernelAppend('nosmt=force');
+    await addKernelAppend('page_poison=1');
+    await removeKernelArg('nosmt=force');
+    expect(screen.queryByText('nosmt=force')).not.toBeInTheDocument();
+  });
+
+  test('kernel append from OpenSCAP gets added correctly and cannot be removed', async () => {
+    await renderCreateMode();
+    await goToOpenSCAPStep();
+    await selectProfile();
+    await goFromOpenSCAPToKernel();
+    await screen.findByText('Required by OpenSCAP');
+    await screen.findByText('audit_backlog_limit=8192');
+    await screen.findByText('audit=1');
+    expect(
+      screen.queryByRole('button', { name: /close audit_backlog_limit=8192/i })
+    ).not.toBeInTheDocument();
+    expect(
+      screen.queryByRole('button', { name: /close audit=1/i })
+    ).not.toBeInTheDocument();
+  });
+});
+
+describe('Kernel request generated correctly', () => {
+  beforeEach(async () => {
+    vi.clearAllMocks();
+  });
+
+  test('with kernel arg added and removed', async () => {
+    await renderCreateMode();
+    await goToKernelStep();
+    await addKernelAppend('nosmt=force');
+    await removeKernelArg('nosmt=force');
+    await goToReviewStep();
+    // informational modal pops up in the first test only as it's tied
+    // to a 'imageBuilder.saveAndBuildModalSeen' variable in localStorage
+    await openAndDismissSaveAndBuildModal();
+    const receivedRequest = await interceptBlueprintRequest(CREATE_BLUEPRINT);
+
+    const expectedRequest = {
+      ...blueprintRequest,
+      customizations: {},
+    };
+
+    await waitFor(() => {
+      expect(receivedRequest).toEqual(expectedRequest);
+    });
+  });
+
+  test('with kernel append', async () => {
+    await renderCreateMode();
+    await goToKernelStep();
+    await addKernelAppend('nosmt=force');
+    await goToReviewStep();
+    const receivedRequest = await interceptBlueprintRequest(CREATE_BLUEPRINT);
+
+    const expectedRequest = {
+      ...blueprintRequest,
+      customizations: {
+        kernel: {
+          append: 'nosmt=force',
+        },
+      },
+    };
+
+    await waitFor(() => {
+      expect(receivedRequest).toEqual(expectedRequest);
+    });
+  });
+
+  test('with OpenSCAP profile that includes kernel append', async () => {
+    await renderCreateMode();
+    await goToOpenSCAPStep();
+    await selectProfile();
+    await goFromOpenSCAPToKernel();
+    await goToReviewStep();
+    const receivedRequest = await interceptBlueprintRequest(CREATE_BLUEPRINT);
+
+    const expectedRequest = {
+      ...blueprintRequest,
+      customizations: {
+        filesystem: [{ min_size: 10737418240, mountpoint: '/' }],
+        openscap: {
+          profile_id: 'xccdf_org.ssgproject.content_profile_ccn_basic',
+        },
+        kernel: {
+          append: 'audit_backlog_limit=8192 audit=1',
+        },
+      },
+    };
+
+    await waitFor(() => {
+      expect(receivedRequest).toEqual(expectedRequest);
+    });
+  });
 });
 
 // TO DO 'Kernel step' -> 'revisit step button on Review works'
-// TO DO 'Kernel request generated correctly'
 // TO DO 'Kernel edit mode'

src/test/fixtures/oscap.ts

@@ -9,6 +9,7 @@ export const distributionOscapProfiles = (): GetOscapProfilesApiResponse => {
     'xccdf_org.ssgproject.content_profile_cis_workstation_l2',
     'xccdf_org.ssgproject.content_profile_standard',
     'xccdf_org.ssgproject.content_profile_stig_gui',
+    'xccdf_org.ssgproject.content_profile_ccn_basic',
   ];
 };
 
@@ -75,6 +76,19 @@ export const oscapCustomizations = (
       },
     };
   }
+  if (profile === 'xccdf_org.ssgproject.content_profile_ccn_basic') {
+    return {
+      openscap: {
+        profile_id: 'content_profile_ccn_basic',
+        profile_name: 'Kernel append only profile',
+        profile_description:
+          'This is a mocked profile description. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aenean posuere velit enim, tincidunt porttitor nisl elementum eu.',
+      },
+      kernel: {
+        append: 'audit_backlog_limit=8192 audit=1',
+      },
+    };
+  }
   return {
     filesystem: [{ min_size: 1073741824, mountpoint: '/tmp' }],
     openscap: {