Add tests for NetscriptJS

tests/NetscriptJSTest.js

@@ -0,0 +1,49 @@
+import {executeJSScript} from "../src/NetscriptJSEvaluator.js";
+
+const chai = require("chai");
+const chaiAsPromised = require("chai-as-promised");
+chai.should();
+chai.use(chaiAsPromised);
+
+console.info('asdf');
+
+describe('NSJS ScriptStore', function() {
+    it('should run an imported function', async function() {
+        const s = { filename: "", code: "export function main() { return 2; }" };
+        chai.expect(await executeJSScript(s)).to.equal(2);
+    });
+
+    it('should handle recursive imports', async function() {
+        const s1 = { filename: "s1.js", code: "export function iAmRecursiveImport(x) { return x + 2; }" };
+        const s2 = { filename: "", code: `
+            import {iAmRecursiveImport} from \"s1.js\";
+            export function main() { return iAmRecursiveImport(3);
+        }`};
+        chai.expect(await executeJSScript(s2, [s1, s2])).to.equal(5);
+    });
+
+    it (`should correctly reference the passed global env`, async function() {
+        var [x, y] = [0, 0];
+        var env = {
+            updateX: function(value) { x = value; },
+            updateY: function(value) { y = value; },
+        };
+        const s1 = {filename: "s1.js", code: "export function importedFn(x) { updateX(x); }"};
+        const s2 = {filename: "s2.js", code: `
+            import {importedFn} from "s1.js";
+            export function main() { updateY(7); importedFn(3); }
+        `}
+        await executeJSScript(s2, [s1, s2], env);
+        chai.expect(y).to.equal(7);
+        chai.expect(x).to.equal(3);
+    });
+
+    it (`should throw on circular dep`, async function() {
+        const s1 = {filename: "s1.js", code: "import \"s2.js\""};
+        const s2 = {filename: "s2.js", code: `
+            import * as s1 from "s1.js";
+            export function main() {}
+        `}
+        executeJSScript(s2, [s1, s2]).should.eventually.throw();
+    });
+});