negative tests

Author: dominikg

packages/vite-plugin-svelte/__tests__/id.spec.js

@@ -13,6 +13,12 @@ describe('buildIdFilter', () => {
 		expect(passes(filter, '/src/Foo.svelte?something')).toBe(true);
 	});
 
+	it('default filter does not match .js files', () => {
+		const filter = buildIdFilter({});
+		expect(passes(filter, '/src/foo.js')).toBe(false);
+		expect(passes(filter, '/src/foo.js?something')).toBe(false);
+	});
+
 	it('custom filter matches .svx files', () => {
 		const filter = buildIdFilter({ extensions: ['.svelte', '.svx'] });
 		expect(passes(filter, '/src/Foo.svx')).toBe(true);
@@ -21,14 +27,22 @@ describe('buildIdFilter', () => {
 });
 
 describe('buildModuleIdFilter', () => {
-	it('default filter matches .svelte. files', () => {
+	it('default filter matches .svelte.*.js/ts files', () => {
 		const filter = buildModuleIdFilter({});
 		expect(passes(filter, '/src/foo.svelte.js')).toBe(true);
 		expect(passes(filter, '/src/foo.svelte.ts')).toBe(true);
 		expect(passes(filter, '/src/foo.svelte.test.js')).toBe(true);
 		expect(passes(filter, '/src/foo.svelte.test.ts')).toBe(true);
 	});
 
+	it('default filter does not match files without .svelte.', () => {
+		const filter = buildModuleIdFilter({});
+		expect(passes(filter, '/src/foo.js')).toBe(false);
+		expect(passes(filter, '/src/foo.ts')).toBe(false);
+		expect(passes(filter, '/src/foo.test.js')).toBe(false);
+		expect(passes(filter, '/src/foo.test.ts')).toBe(false);
+	});
+
 	it('custom filter matches .svx. files', () => {
 		const filter = buildModuleIdFilter({ experimental: { compileModule: { infixes: ['.svx.'] } } });
 		expect(passes(filter, '/src/foo.svx.js')).toBe(true);