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Targets tests that passed `features` with `nav-item` extensions and asserted on stub sidebar links. Tests that only mount a component with APIs or route refs are left unchanged. ## Installation ```bash # From registry yarn dlx codemod@latest run @backstage/render-test-app-nav-migration -t /path/to/target ``` ## Usage (from this repo) ```bash yarn dlx codemod@latest workflow run \ -w codemods/v1.51.0/render-test-app-nav-migration/workflow.yaml \ -t /path/to/your/backstage-repo # With AI fixup for edge cases yarn dlx codemod@latest workflow run \ -w codemods/v1.51.0/render-test-app-nav-migration/workflow.yaml \ -t /path/to/your/backstage-repo \ --param aiFixup=true ``` ### Optional: AI fixup step Enable with `--param aiFixup=true` to finish test migrations the AST codemod cannot handle mechanically: - Remaining `renderInTestApp` calls with nav features - Rewrite sidebar/link assertions for the real app shell - Preserve needed `mountedRoutes` / API options from the original call - Skip tests that only use `renderInTestApp` without nav features ## Development From the repo root: ```bash 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expect(screen.getByText('Hello')).toBeInTheDocument();\n});\n\nit('test B — no nav features', async () => {\n await renderInTestApp(, {\n apis: [mockApiRef],\n });\n expect(screen.getByText('World')).toBeInTheDocument();\n});\n","output":"import { renderInTestApp, renderTestApp } from '@backstage/frontend-test-utils';\nimport { navItemExtension } from './navExtension';\n\nfunction MyPage() {\n return null;\n}\n\nit('test A — has nav features', async () => {\n await renderTestApp();\n expect(screen.getByText('Hello')).toBeInTheDocument();\n});\n\nit('test B — no nav features', async () => {\n await renderInTestApp(, {\n apis: [mockApiRef],\n });\n expect(screen.getByText('World')).toBeInTheDocument();\n});\n","filename":"input.tsx"},{"name":"mixed-features","path":"tests/mixed-features","input":"import { renderInTestApp } from '@backstage/frontend-test-utils';\nimport { navItemExtension } from './navExtension';\nimport { pageExtension } from './pageExtension';\n\nfunction MyPage() {\n return null;\n}\n\nit('keeps non-nav features', async () => {\n await renderInTestApp(, {\n features: [navItemExtension, pageExtension],\n });\n});\n","output":"import { navItemExtension } from './navExtension';\nimport { pageExtension } from './pageExtension';\nimport { renderTestApp } from '@backstage/frontend-test-utils';\n\nfunction MyPage() {\n return null;\n}\n\nit('keeps non-nav features', async () => {\n await renderTestApp(, { features: [pageExtension] });\n});\n","filename":"input.tsx"},{"name":"nav-blueprint-mixed-features","path":"tests/nav-blueprint-mixed-features","input":"import { NavItemBlueprint } from '@backstage/frontend-plugin-api';\nimport { renderInTestApp } from '@backstage/frontend-test-utils';\nimport { myNavFeature } from './navFeature';\nimport { pageExtension } from './pageExtension';\n\nfunction MyPage() {\n return null;\n}\n\nit('keeps non-nav features when NavItemBlueprint is imported', async () => {\n void NavItemBlueprint;\n await renderInTestApp(, {\n features: [myNavFeature, pageExtension],\n });\n});\n","output":"import { NavItemBlueprint } from '@backstage/frontend-plugin-api';\nimport { myNavFeature } from './navFeature';\nimport { pageExtension } from './pageExtension';\nimport { renderTestApp } from '@backstage/frontend-test-utils';\n\nfunction MyPage() {\n return null;\n}\n\nit('keeps non-nav features when NavItemBlueprint is imported', async () => {\n void NavItemBlueprint;\n await renderTestApp(, { features: [pageExtension] });\n});\n","filename":"input.tsx"},{"name":"nav-item-blueprint","path":"tests/nav-item-blueprint","input":"import { NavItemBlueprint } from '@backstage/frontend-plugin-api';\nimport { renderInTestApp } from '@backstage/frontend-test-utils';\nimport { myNavFeature } from './navFeature';\n\nfunction MyPage() {\n return null;\n}\n\nit('nav blueprint feature', async () => {\n void NavItemBlueprint;\n await renderInTestApp(, {\n features: [myNavFeature],\n });\n});\n","output":"import { NavItemBlueprint } from '@backstage/frontend-plugin-api';\nimport { myNavFeature } from './navFeature';\nimport { renderTestApp } from '@backstage/frontend-test-utils';\n\nfunction MyPage() {\n return null;\n}\n\nit('nav blueprint feature', async () => {\n void NavItemBlueprint;\n await renderTestApp();\n});\n","filename":"input.tsx"},{"name":"noop-no-backstage-import","path":"tests/noop-no-backstage-import","input":"function renderInTestApp(element: unknown) {\n return element;\n}\n\nfunction MyPage() {\n return null;\n}\n\nit('local helper', async () => {\n await renderInTestApp(, {\n features: [navItemExtension],\n });\n});\n\nconst navItemExtension = {};\n","output":"function renderInTestApp(element: unknown) {\n return element;\n}\n\nfunction MyPage() {\n return null;\n}\n\nit('local helper', async () => {\n await renderInTestApp(, {\n features: [navItemExtension],\n });\n});\n\nconst navItemExtension = {};\n","filename":"input.tsx"},{"name":"noop-no-nav","path":"tests/noop-no-nav","input":"import { renderInTestApp } from '@backstage/frontend-test-utils';\nimport { testApiRef } from './apis';\n\nfunction MyPage() {\n return null;\n}\n\nit('no nav features', async () => {\n await renderInTestApp(, {\n apis: [[testApiRef, { getData: () => 'test' }]],\n });\n expect(screen.getByText('Hello')).toBeInTheDocument();\n});\n","output":"import { renderInTestApp } from '@backstage/frontend-test-utils';\nimport { testApiRef } from './apis';\n\nfunction MyPage() {\n return null;\n}\n\nit('no nav features', async () => {\n await renderInTestApp(, {\n apis: [[testApiRef, { getData: () => 'test' }]],\n });\n expect(screen.getByText('Hello')).toBeInTheDocument();\n});\n","filename":"input.tsx"},{"name":"preserve-other-options","path":"tests/preserve-other-options","input":"import { renderInTestApp } from '@backstage/frontend-test-utils';\nimport { navItemExtension } from './navExtension';\nimport { testApiRef } from './apis';\n\nfunction MyPage() {\n return null;\n}\n\nit('preserves apis', async 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} from '@backstage/frontend-test-utils';\nimport { navItemExtension } from './navExtension';\n\nfunction MyPage() {\n return null;\n}\n\nit('shows nav link', async () => {\n await renderInTestApp(, {\n features: [navItemExtension],\n });\n expect(screen.getByRole('link', { name: 'Catalog' })).toBeInTheDocument();\n});\n","output":"import { navItemExtension } from './navExtension';\nimport { renderTestApp } from '@backstage/frontend-test-utils';\n\nfunction MyPage() {\n return null;\n}\n\nit('shows nav link', async () => {\n await renderTestApp();\n // TODO(backstage-codemod): verify nav assertions — renderTestApp uses real app shell\n expect(screen.getByRole('link', { name: 'Catalog' })).toBeInTheDocument();\n});\n","isValid":true,"examples":[{"name":"basic","path":"tests/basic","input":"import { renderInTestApp } from '@backstage/frontend-test-utils';\nimport { navItemExtension } from './navExtension';\n\nfunction MyPage() {\n return null;\n}\n\nit('shows nav link', async () => {\n await renderInTestApp(, {\n features: [navItemExtension],\n });\n expect(screen.getByRole('link', { name: 'Catalog' })).toBeInTheDocument();\n});\n","output":"import { navItemExtension } from './navExtension';\nimport { renderTestApp } from '@backstage/frontend-test-utils';\n\nfunction MyPage() {\n return null;\n}\n\nit('shows nav link', async () => {\n await renderTestApp();\n // TODO(backstage-codemod): verify nav assertions — renderTestApp uses real app shell\n expect(screen.getByRole('link', { name: 'Catalog' })).toBeInTheDocument();\n});\n","filename":"input.tsx"},{"name":"mixed-calls-partial-migration","path":"tests/mixed-calls-partial-migration","input":"import { renderInTestApp } from '@backstage/frontend-test-utils';\nimport { navItemExtension } from './navExtension';\n\nfunction MyPage() {\n return null;\n}\n\nit('test A — has nav features', async () => {\n await renderInTestApp(, {\n features: [navItemExtension],\n });\n expect(screen.getByText('Hello')).toBeInTheDocument();\n});\n\nit('test B — no nav features', async () => {\n await renderInTestApp(, {\n apis: [mockApiRef],\n });\n expect(screen.getByText('World')).toBeInTheDocument();\n});\n","output":"import { renderInTestApp, renderTestApp } from '@backstage/frontend-test-utils';\nimport { navItemExtension } from './navExtension';\n\nfunction MyPage() {\n return null;\n}\n\nit('test A — has nav features', async () => {\n await renderTestApp();\n expect(screen.getByText('Hello')).toBeInTheDocument();\n});\n\nit('test B — no nav features', async () => {\n await renderInTestApp(, {\n apis: [mockApiRef],\n });\n expect(screen.getByText('World')).toBeInTheDocument();\n});\n","filename":"input.tsx"},{"name":"mixed-features","path":"tests/mixed-features","input":"import { renderInTestApp } from '@backstage/frontend-test-utils';\nimport { navItemExtension } from './navExtension';\nimport { pageExtension } from './pageExtension';\n\nfunction MyPage() {\n return null;\n}\n\nit('keeps non-nav features', async () => {\n await renderInTestApp(, {\n features: [navItemExtension, pageExtension],\n });\n});\n","output":"import { navItemExtension } from './navExtension';\nimport { pageExtension } from './pageExtension';\nimport { renderTestApp } from '@backstage/frontend-test-utils';\n\nfunction MyPage() {\n return null;\n}\n\nit('keeps non-nav features', async () => {\n await renderTestApp(, { features: [pageExtension] });\n});\n","filename":"input.tsx"},{"name":"nav-blueprint-mixed-features","path":"tests/nav-blueprint-mixed-features","input":"import { NavItemBlueprint } from '@backstage/frontend-plugin-api';\nimport { renderInTestApp } from '@backstage/frontend-test-utils';\nimport { myNavFeature } from './navFeature';\nimport { pageExtension } from './pageExtension';\n\nfunction MyPage() {\n return null;\n}\n\nit('keeps non-nav features when NavItemBlueprint is imported', async () => {\n void NavItemBlueprint;\n await renderInTestApp(, {\n features: [myNavFeature, pageExtension],\n });\n});\n","output":"import { NavItemBlueprint } from '@backstage/frontend-plugin-api';\nimport { myNavFeature } from './navFeature';\nimport { pageExtension } from './pageExtension';\nimport { renderTestApp } from '@backstage/frontend-test-utils';\n\nfunction MyPage() {\n return null;\n}\n\nit('keeps non-nav features when NavItemBlueprint is imported', async () => {\n void NavItemBlueprint;\n await renderTestApp(, { features: [pageExtension] });\n});\n","filename":"input.tsx"},{"name":"nav-item-blueprint","path":"tests/nav-item-blueprint","input":"import { NavItemBlueprint } from '@backstage/frontend-plugin-api';\nimport { renderInTestApp } from '@backstage/frontend-test-utils';\nimport { myNavFeature } from './navFeature';\n\nfunction MyPage() {\n return null;\n}\n\nit('nav blueprint feature', async () => {\n void NavItemBlueprint;\n await renderInTestApp(, {\n features: [myNavFeature],\n });\n});\n","output":"import { NavItemBlueprint } from '@backstage/frontend-plugin-api';\nimport { myNavFeature } from './navFeature';\nimport { renderTestApp } from '@backstage/frontend-test-utils';\n\nfunction MyPage() {\n return null;\n}\n\nit('nav blueprint feature', async () => {\n void NavItemBlueprint;\n await renderTestApp();\n});\n","filename":"input.tsx"},{"name":"noop-no-backstage-import","path":"tests/noop-no-backstage-import","input":"function renderInTestApp(element: unknown) {\n return element;\n}\n\nfunction MyPage() {\n return null;\n}\n\nit('local helper', async () => {\n await renderInTestApp(, {\n features: [navItemExtension],\n });\n});\n\nconst navItemExtension = {};\n","output":"function renderInTestApp(element: unknown) {\n return element;\n}\n\nfunction MyPage() {\n return null;\n}\n\nit('local helper', async () => {\n await renderInTestApp(, {\n features: [navItemExtension],\n });\n});\n\nconst navItemExtension = {};\n","filename":"input.tsx"},{"name":"noop-no-nav","path":"tests/noop-no-nav","input":"import { renderInTestApp } from '@backstage/frontend-test-utils';\nimport { testApiRef } from './apis';\n\nfunction MyPage() {\n return null;\n}\n\nit('no nav features', async () => {\n await renderInTestApp(, {\n apis: [[testApiRef, { getData: () => 'test' }]],\n });\n expect(screen.getByText('Hello')).toBeInTheDocument();\n});\n","output":"import { renderInTestApp } from '@backstage/frontend-test-utils';\nimport { testApiRef } from './apis';\n\nfunction MyPage() {\n return null;\n}\n\nit('no nav features', async () => {\n await renderInTestApp(, {\n apis: [[testApiRef, { getData: () => 'test' }]],\n });\n expect(screen.getByText('Hello')).toBeInTheDocument();\n});\n","filename":"input.tsx"},{"name":"preserve-other-options","path":"tests/preserve-other-options","input":"import { renderInTestApp } from '@backstage/frontend-test-utils';\nimport { navItemExtension } from './navExtension';\nimport { testApiRef } from './apis';\n\nfunction MyPage() {\n return null;\n}\n\nit('preserves apis', async 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return null;\n}\n\nit('keeps non-nav features', async () => {\n await renderInTestApp(, {\n features: [navItemExtension, pageExtension],\n });\n});\n","output":"import { navItemExtension } from './navExtension';\nimport { pageExtension } from './pageExtension';\nimport { renderTestApp } from '@backstage/frontend-test-utils';\n\nfunction MyPage() {\n return null;\n}\n\nit('keeps non-nav features', async () => {\n await renderTestApp(, { features: [pageExtension] });\n});\n","filename":"input.tsx"},{"name":"nav-blueprint-mixed-features","path":"tests/nav-blueprint-mixed-features","input":"import { NavItemBlueprint } from '@backstage/frontend-plugin-api';\nimport { renderInTestApp } from '@backstage/frontend-test-utils';\nimport { myNavFeature } from './navFeature';\nimport { pageExtension } from './pageExtension';\n\nfunction MyPage() {\n return null;\n}\n\nit('keeps non-nav features when NavItemBlueprint is imported', async () => {\n void NavItemBlueprint;\n await renderInTestApp(, {\n features: [myNavFeature, pageExtension],\n });\n});\n","output":"import { NavItemBlueprint } from '@backstage/frontend-plugin-api';\nimport { myNavFeature } from './navFeature';\nimport { pageExtension } from './pageExtension';\nimport { renderTestApp } from '@backstage/frontend-test-utils';\n\nfunction MyPage() {\n return null;\n}\n\nit('keeps non-nav features when NavItemBlueprint is imported', async () => {\n void NavItemBlueprint;\n await renderTestApp(, { features: [pageExtension] });\n});\n","filename":"input.tsx"},{"name":"nav-item-blueprint","path":"tests/nav-item-blueprint","input":"import { NavItemBlueprint } from '@backstage/frontend-plugin-api';\nimport { renderInTestApp } from '@backstage/frontend-test-utils';\nimport { myNavFeature } from './navFeature';\n\nfunction MyPage() {\n return null;\n}\n\nit('nav blueprint feature', async () => {\n void NavItemBlueprint;\n await renderInTestApp(, {\n features: [myNavFeature],\n });\n});\n","output":"import { NavItemBlueprint } from '@backstage/frontend-plugin-api';\nimport { myNavFeature } from './navFeature';\nimport { renderTestApp } from '@backstage/frontend-test-utils';\n\nfunction MyPage() {\n return null;\n}\n\nit('nav blueprint feature', async () => {\n void NavItemBlueprint;\n await renderTestApp();\n});\n","filename":"input.tsx"},{"name":"noop-no-backstage-import","path":"tests/noop-no-backstage-import","input":"function renderInTestApp(element: unknown) {\n return element;\n}\n\nfunction MyPage() {\n return null;\n}\n\nit('local helper', async () => {\n await renderInTestApp(, {\n features: [navItemExtension],\n });\n});\n\nconst navItemExtension = {};\n","output":"function renderInTestApp(element: unknown) {\n return element;\n}\n\nfunction MyPage() {\n return null;\n}\n\nit('local helper', async () => {\n await renderInTestApp(, {\n features: [navItemExtension],\n });\n});\n\nconst navItemExtension = {};\n","filename":"input.tsx"},{"name":"noop-no-nav","path":"tests/noop-no-nav","input":"import { 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