1 files changed, 152 insertions, 0 deletions
diff --git a/packages/astro/test/units/routing/generator.test.js b/packages/astro/test/units/routing/generator.test.js
new file mode 100644
index 000000000..d176c73eb
--- /dev/null
+++ b/packages/astro/test/units/routing/generator.test.js
@@ -0,0 +1,152 @@
+import * as assert from 'node:assert/strict';
+import { describe, it } from 'node:test';
+
+import { getRouteGenerator } from '../../../dist/core/routing/manifest/generator.js';
+
+describe('routing - generator', () => {
+	[
+		{
+			routeData: [],
+			trailingSlash: 'never',
+			params: {},
+			path: '/',
+		},
+		{
+			routeData: [],
+			trailingSlash: 'always',
+			params: {},
+			path: '/',
+		},
+		{
+			routeData: [[{ spread: false, content: 'test', dynamic: false }]],
+			trailingSlash: 'never',
+			params: {},
+			path: '/test',
+		},
+		{
+			routeData: [[{ spread: false, content: 'test', dynamic: false }]],
+			trailingSlash: 'always',
+			params: {},
+			path: '/test/',
+		},
+		{
+			routeData: [[{ spread: false, content: 'test', dynamic: false }]],
+			trailingSlash: 'always',
+			params: { foo: 'bar' },
+			path: '/test/',
+		},
+		{
+			routeData: [[{ spread: false, content: 'foo', dynamic: true }]],
+			trailingSlash: 'always',
+			params: { foo: 'bar' },
+			path: '/bar/',
+		},
+		{
+			routeData: [[{ spread: false, content: 'foo', dynamic: true }]],
+			trailingSlash: 'never',
+			params: { foo: 'bar' },
+			path: '/bar',
+		},
+		{
+			routeData: [[{ spread: true, content: '...foo', dynamic: true }]],
+			trailingSlash: 'never',
+			params: {},
+			path: '/',
+		},
+		{
+			routeData: [
+				[
+					{ spread: true, content: '...foo', dynamic: true },
+					{ spread: false, content: '-', dynamic: false },
+					{ spread: true, content: '...bar', dynamic: true },
+				],
+			],
+			trailingSlash: 'never',
+			params: { foo: 'one', bar: 'two' },
+			path: '/one-two',
+		},
+		{
+			routeData: [
+				[
+					{ spread: true, content: '...foo', dynamic: true },
+					{ spread: false, content: '-', dynamic: false },
+					{ spread: true, content: '...bar', dynamic: true },
+				],
+			],
+			trailingSlash: 'never',
+			params: {},
+			path: '/-',
+		},
+		{
+			routeData: [
+				[{ spread: true, content: '...foo', dynamic: true }],
+				[{ spread: true, content: '...bar', dynamic: true }],
+			],
+			trailingSlash: 'never',
+			params: { foo: 'one' },
+			path: '/one',
+		},
+		{
+			routeData: [
+				[{ spread: false, content: 'fix', dynamic: false }],
+				[{ spread: true, content: '...foo', dynamic: true }],
+				[{ spread: true, content: '...bar', dynamic: true }],
+			],
+			trailingSlash: 'never',
+			params: { foo: 'one' },
+			path: '/fix/one',
+		},
+		{
+			routeData: [
+				[{ spread: false, content: 'fix', dynamic: false }],
+				[{ spread: true, content: '...foo', dynamic: true }],
+				[{ spread: true, content: '...bar', dynamic: true }],
+			],
+			trailingSlash: 'always',
+			params: { foo: 'one' },
+			path: '/fix/one/',
+		},
+		{
+			routeData: [
+				[{ spread: false, content: 'fix', dynamic: false }],
+				[{ spread: true, content: '...foo', dynamic: true }],
+				[{ spread: true, content: '...bar', dynamic: true }],
+			],
+			trailingSlash: 'never',
+			params: { foo: 'one', bar: 'two' },
+			path: '/fix/one/two',
+		},
+		{
+			routeData: [
+				[{ spread: false, content: 'fix', dynamic: false }],
+				[{ spread: true, content: '...foo', dynamic: true }],
+				[{ spread: true, content: '...bar', dynamic: true }],
+			],
+			trailingSlash: 'never',
+			params: { foo: 'one&two' },
+			path: '/fix/one&two',
+		},
+		{
+			routeData: [
+				[{ spread: false, content: 'fix', dynamic: false }],
+				[{ spread: false, content: 'page', dynamic: true }],
+			],
+			trailingSlash: 'never',
+			params: { page: 1 },
+			path: '/fix/1',
+		},
+	].forEach(({ routeData, trailingSlash, params, path }) => {
+		it(`generates ${path}`, () => {
+			const generator = getRouteGenerator(routeData, trailingSlash);
+			assert.equal(generator(params), path);
+		});
+	});
+
+	it('should throw an error when a dynamic parameter is missing', () => {
+		const generator = getRouteGenerator(
+			[[{ spread: false, content: 'foo', dynamic: true }]],
+			'never',
+		);
+		assert.throws(() => generator({}), TypeError);
+	});
+});