test(typescript): move declaration tests, use typescript (#791)

packages/typescript/test/declarations.ts

@@ -0,0 +1,174 @@
+import test, { ExecutionContext } from 'ava';
+import { rollup } from 'rollup';
+
+import typescript from '..';
+
+import { getCode } from '../../../util/test';
+
+test.beforeEach(() => process.chdir(__dirname));
+
+// eslint-disable-next-line no-console
+const onwarn = (warning: any) => console.warn(warning.toString());
+
+test.serial('supports creating declaration files', async (t) => {
+  const bundle = await rollup({
+    input: 'fixtures/basic/main.ts',
+    plugins: [
+      typescript({
+        tsconfig: 'fixtures/basic/tsconfig.json',
+        outDir: 'fixtures/basic/dist',
+        declaration: true
+      })
+    ],
+    onwarn
+  });
+  const output = await getCode(bundle, { format: 'esm', dir: 'fixtures/basic/dist' }, true);
+  const declaration = output[1].source as string;
+
+  t.deepEqual(
+    output.map((out) => out.fileName),
+    ['main.js', 'main.d.ts']
+  );
+
+  t.true(declaration.includes('declare const answer = 42;'), declaration);
+});
+
+test.serial('supports creating declaration files in subfolder', async (t) => {
+  const bundle = await rollup({
+    input: 'fixtures/basic/main.ts',
+    plugins: [
+      typescript({
+        tsconfig: 'fixtures/basic/tsconfig.json',
+        outDir: 'fixtures/basic/dist/types',
+        declaration: true,
+        declarationMap: true
+      })
+    ],
+    onwarn
+  });
+  const output = await getCode(bundle, { format: 'esm', dir: 'fixtures/basic/dist' }, true);
+  const declaration = output[1].source as string;
+
+  t.deepEqual(
+    output.map((out) => out.fileName),
+    ['main.js', 'types/main.d.ts', 'types/main.d.ts.map']
+  );
+
+  t.true(declaration.includes('declare const answer = 42;'), declaration);
+  t.true(declaration.includes('//# sourceMappingURL=main.d.ts.map'), declaration);
+});
+
+test.serial('supports creating declarations with non-default rootDir', async (t) => {
+  const bundle = await rollup({
+    input: 'fixtures/declaration-root-dir/src/main.ts',
+    plugins: [
+      typescript({
+        tsconfig: 'fixtures/declaration-root-dir/tsconfig.json'
+      })
+    ],
+    onwarn
+  });
+  const output = await getCode(
+    bundle,
+    { format: 'esm', dir: 'fixtures/declaration-root-dir/lib' },
+    true
+  );
+
+  t.deepEqual(
+    output.map((out) => out.fileName),
+    ['main.js', 'main.d.ts']
+  );
+});
+
+test.serial('supports creating declaration files for interface only source file', async (t) => {
+  const bundle = await rollup({
+    input: 'fixtures/export-interface-only/main.ts',
+    plugins: [
+      typescript({
+        tsconfig: 'fixtures/export-interface-only/tsconfig.json',
+        declarationDir: 'fixtures/export-interface-only/dist/types',
+        declaration: true,
+        declarationMap: true
+      })
+    ],
+    onwarn
+  });
+
+  const output = await getCode(
+    bundle,
+    { format: 'esm', dir: 'fixtures/export-interface-only/dist' },
+    true
+  );
+  const declaration = output[1].source as string;
+
+  t.deepEqual(
+    output.map((out) => out.fileName),
+    [
+      'main.js',
+      'types/interface.d.ts',
+      'types/interface.d.ts.map',
+      'types/main.d.ts',
+      'types/main.d.ts.map'
+    ]
+  );
+
+  t.true(declaration.includes('export interface ITest'), declaration);
+  t.true(declaration.includes('//# sourceMappingURL=interface.d.ts.map'), declaration);
+});
+
+test.serial('supports creating declaration files in declarationDir', async (t) => {
+  const bundle = await rollup({
+    input: 'fixtures/basic/main.ts',
+    plugins: [
+      typescript({
+        tsconfig: 'fixtures/basic/tsconfig.json',
+        declarationDir: 'fixtures/basic/dist/types',
+        declaration: true
+      })
+    ],
+    onwarn
+  });
+  const output = await getCode(bundle, { format: 'esm', dir: 'fixtures/basic/dist' }, true);
+  const declaration = output[1].source as string;
+
+  t.deepEqual(
+    output.map((out) => out.fileName),
+    ['main.js', 'types/main.d.ts']
+  );
+
+  t.true(declaration.includes('declare const answer = 42;'), declaration);
+});
+
+async function ensureOutDirWhenCreatingDeclarationFiles(
+  t: ExecutionContext,
+  compilerOptionName: string
+) {
+  const bundle = await rollup({
+    input: 'fixtures/basic/main.ts',
+    plugins: [
+      typescript({
+        tsconfig: 'fixtures/basic/tsconfig.json',
+        [compilerOptionName]: true
+      })
+    ],
+    onwarn
+  });
+  const caughtError = await t.throwsAsync(() =>
+    getCode(bundle, { format: 'esm', dir: 'fixtures/basic/dist' }, true)
+  );
+
+  t.true(
+    caughtError.message.includes(
+      `'outDir' or 'declarationDir' must be specified to generate declaration files`
+    ),
+    `Unexpected error message: ${caughtError.message}`
+  );
+}
+
+test.serial('ensures outDir is set when creating declaration files (declaration)', async (t) => {
+  await ensureOutDirWhenCreatingDeclarationFiles(t, 'declaration');
+});
+
+test.serial('ensures outDir is set when creating declaration files (composite)', async (t) => {
+  await ensureOutDirWhenCreatingDeclarationFiles(t, 'composite');
+});

packages/typescript/test/test.js

@@ -36,164 +36,6 @@ test.serial('runs code through typescript', async (t) => {
   t.false(code.includes('const'), code);
 });
 
-test.serial('supports creating declaration files', async (t) => {
-  const bundle = await rollup({
-    input: 'fixtures/basic/main.ts',
-    plugins: [
-      typescript({
-        tsconfig: 'fixtures/basic/tsconfig.json',
-        outDir: 'fixtures/basic/dist',
-        declaration: true
-      })
-    ],
-    onwarn
-  });
-  const output = await getCode(bundle, { format: 'esm', dir: 'fixtures/basic/dist' }, true);
-
-  t.deepEqual(
-    output.map((out) => out.fileName),
-    ['main.js', 'main.d.ts']
-  );
-
-  t.true(output[1].source.includes('declare const answer = 42;'), output[1].source);
-});
-
-test.serial('supports creating declaration files in subfolder', async (t) => {
-  const bundle = await rollup({
-    input: 'fixtures/basic/main.ts',
-    plugins: [
-      typescript({
-        tsconfig: 'fixtures/basic/tsconfig.json',
-        outDir: 'fixtures/basic/dist/types',
-        declaration: true,
-        declarationMap: true
-      })
-    ],
-    onwarn
-  });
-  const output = await getCode(bundle, { format: 'esm', dir: 'fixtures/basic/dist' }, true);
-
-  t.deepEqual(
-    output.map((out) => out.fileName),
-    ['main.js', 'types/main.d.ts', 'types/main.d.ts.map']
-  );
-
-  const declarationSource = output[1].source;
-  t.true(declarationSource.includes('declare const answer = 42;'), declarationSource);
-  t.true(declarationSource.includes('//# sourceMappingURL=main.d.ts.map'), declarationSource);
-});
-
-test.serial('supports creating declarations with non-default rootDir', async (t) => {
-  const bundle = await rollup({
-    input: 'fixtures/declaration-root-dir/src/main.ts',
-    plugins: [
-      typescript({
-        tsconfig: 'fixtures/declaration-root-dir/tsconfig.json'
-      })
-    ],
-    onwarn
-  });
-  const output = await getCode(
-    bundle,
-    { format: 'esm', dir: 'fixtures/declaration-root-dir/lib' },
-    true
-  );
-
-  t.deepEqual(
-    output.map((out) => out.fileName),
-    ['main.js', 'main.d.ts']
-  );
-});
-
-test.serial('supports creating declaration files for interface only source file', async (t) => {
-  const bundle = await rollup({
-    input: 'fixtures/export-interface-only/main.ts',
-    plugins: [
-      typescript({
-        tsconfig: 'fixtures/export-interface-only/tsconfig.json',
-        declarationDir: 'fixtures/export-interface-only/dist/types',
-        declaration: true,
-        declarationMap: true
-      })
-    ],
-    onwarn
-  });
-
-  const output = await getCode(
-    bundle,
-    { format: 'esm', dir: 'fixtures/export-interface-only/dist' },
-    true
-  );
-
-  t.deepEqual(
-    output.map((out) => out.fileName),
-    [
-      'main.js',
-      'types/interface.d.ts',
-      'types/interface.d.ts.map',
-      'types/main.d.ts',
-      'types/main.d.ts.map'
-    ]
-  );
-
-  const declarationSource = output[1].source;
-  t.true(declarationSource.includes('export interface ITest'), declarationSource);
-  t.true(declarationSource.includes('//# sourceMappingURL=interface.d.ts.map'), declarationSource);
-});
-
-test.serial('supports creating declaration files in declarationDir', async (t) => {
-  const bundle = await rollup({
-    input: 'fixtures/basic/main.ts',
-    plugins: [
-      typescript({
-        tsconfig: 'fixtures/basic/tsconfig.json',
-        declarationDir: 'fixtures/basic/dist/types',
-        declaration: true
-      })
-    ],
-    onwarn
-  });
-  const output = await getCode(bundle, { format: 'esm', dir: 'fixtures/basic/dist' }, true);
-
-  t.deepEqual(
-    output.map((out) => out.fileName),
-    ['main.js', 'types/main.d.ts']
-  );
-
-  t.true(output[1].source.includes('declare const answer = 42;'), output[1].source);
-});
-
-async function ensureOutDirWhenCreatingDeclarationFiles(t, compilerOptionName) {
-  const bundle = await rollup({
-    input: 'fixtures/basic/main.ts',
-    plugins: [
-      typescript({
-        tsconfig: 'fixtures/basic/tsconfig.json',
-        [compilerOptionName]: true
-      })
-    ],
-    onwarn
-  });
-  const caughtError = await t.throwsAsync(() =>
-    getCode(bundle, { format: 'esm', dir: 'fixtures/basic/dist' }, true)
-  );
-
-  t.true(
-    caughtError.message.includes(
-      `'outDir' or 'declarationDir' must be specified to generate declaration files`
-    ),
-    `Unexpected error message: ${caughtError.message}`
-  );
-}
-
-test.serial('ensures outDir is set when creating declaration files (declaration)', async (t) => {
-  await ensureOutDirWhenCreatingDeclarationFiles(t, 'declaration');
-});
-
-test.serial('ensures outDir is set when creating declaration files (composite)', async (t) => {
-  await ensureOutDirWhenCreatingDeclarationFiles(t, 'composite');
-});
-
 test.serial('ensures outDir is located in Rollup output dir', async (t) => {
   const bundle = await rollup({
     input: 'fixtures/basic/main.ts',