Add tests for relative imports (raw, file)

Author: Convly

tests/imports/definitions/lib-custom-base.ts

@@ -0,0 +1,7 @@
+// Expect an error on the import path
+// @ts-expect-error
+import type { NoOp } from './resource/custom-lib';
+
+type NoOpBoolean = NoOp<boolean>;
+
+export { NoOpBoolean };

tests/imports/definitions/lib.ts

@@ -0,0 +1,5 @@
+import type { NoOp } from '../resource/custom-lib';
+
+type NoOpString = NoOp<string>;
+
+export { NoOpString };

tests/imports/relative-import.test.ts

@@ -0,0 +1,41 @@
+import path from 'path';
+import { type AssertTypeSelector, fromFile, fromRaw } from '@tsz/index';
+
+const raw = `
+import type { NoOp } from './resource/custom-lib';
+
+type NoOpNumber = NoOp<number>;
+
+export { NoOpNumber };
+`;
+
+describe('Relative Import', () => {
+  let type!: AssertTypeSelector;
+
+  describe('Raw', () => {
+    test('Successfully resolve the relative import from raw code', () => {
+      type = fromRaw(raw, { baseUrl: __dirname });
+
+      type('NoOpNumber').not.equals('NoOp<number>');
+      type('NoOpNumber').isNumber();
+    });
+  });
+
+  describe('File', () => {
+    test('Successfully resolve the relative import from a file', () => {
+      type = fromFile(path.join(__dirname, 'definitions', 'lib.ts'));
+
+      type('NoOpString').not.equals('NoOp<string>');
+      type('NoOpString').isString();
+    });
+
+    test('Custom base URL', () => {
+      type = fromFile(path.join(__dirname, 'definitions', 'lib-custom-base.ts'), {
+        baseUrl: __dirname,
+      });
+
+      type('NoOpBoolean').not.equals('NoOp<boolean>');
+      type('NoOpBoolean').isBoolean();
+    });
+  });
+});

tests/imports/resource/custom-lib.d.ts

@@ -0,0 +1,3 @@
+type NoOp<T> = T;
+
+export { NoOp };