Merge pull request #143 from osu-cascades/dev

__tests__/languages/nim.test.ts

@@ -0,0 +1,35 @@
+import Nim from '@/runners/nim';
+import axiosMock from '../__mocks__/axios';
+
+jest.mock('axios');
+
+test('valid code', async () => {
+    const response = {
+        data: {
+            compileLog: "Hint: used config file '/playground/nim/config/nim.cfg' [Conf]\nHint: used config file '/playground/nim/config/config.nims' [Conf]\n....\nHint: gcc -c  -w -fmax-errors=3   -I/playground/nim/lib -I/usercode -o /usercode/nimcache/stdlib_io.nim.c.o /usercode/nimcache/stdlib_io.nim.c [Exec]\nHint: gcc -c  -w -fmax-errors=3   -I/playground/nim/lib -I/usercode -o /usercode/nimcache/stdlib_system.nim.c.o /usercode/nimcache/stdlib_system.nim.c [Exec]\nHint: gcc -c  -w -fmax-errors=3   -I/playground/nim/lib -I/usercode -o /usercode/nimcache/@min.nim.c.o /usercode/nimcache/@min.nim.c [Exec]\nHint:  [Link]\nHint: 22157 lines; 1.150s; 25.562MiB peakmem; Debug build; proj: /usercode/in.nim; out: /usercode/in [SuccessX]\n",
+            log: "Hello world\n"
+        }
+    };
+    const mockResponse = Promise.resolve(response);
+    axiosMock.post.mockResolvedValueOnce(mockResponse);
+    const result = await Nim.execute("code");
+    expect(result).toEqual({ success: true, output: "Hello world\n" });
+});
+
+test('invalid code', async () => {
+    const response = { data: { compileLog: "Hint: used config file '/playground/nim/config/nim.cfg' [Conf]\nHint: used config file '/playground/nim/config/config.nims' [Conf]\n....\n/usercode/in.nim(1, 1) Error: undeclared identifier: 'ejkfladso'\n", log: "\n" } };
+    const errorResult = "Error: undeclared identifier: 'ejkfladso'";
+    const mockResponse = Promise.resolve(response);
+    axiosMock.post.mockResolvedValueOnce(mockResponse);
+    const result = await Nim.execute("code");
+    expect(result).toEqual({ success: false, output: errorResult });
+});
+
+test('invalid response', async () => {
+    const response = { data: { error: "Server error" } };
+    const errorResult = "Nim LanguageRunner encountered an internal error";
+    const mockResponse = Promise.resolve(response);
+    axiosMock.post.mockResolvedValueOnce(mockResponse);
+    const result = await Nim.execute("code");
+    expect(result).toEqual({ success: false, output: errorResult });
+});

package.json

@@ -1,6 +1,6 @@
 {
   "name": "hackbot",
-  "version": "2.3.1",
+  "version": "2.4.0",
   "description": "Discord bot for the Cascades Tech Club Discord server.",
   "repository": {
     "type": "git",
@@ -37,7 +37,7 @@
     "glob": "^7.1.3",
     "lodash.camelcase": "^4.3.0",
     "moment": "^2.22.2",
-    "ts-node": "^8.1.0",
+    "ts-node": "^9.0.0",
     "tsconfig-paths": "^3.9.0",
     "typescript": "^3.1.6"
   },

src/runners/nim.ts

@@ -0,0 +1,42 @@
+import IRunner from '@/library/interfaces/iRunner';
+import axios, { AxiosResponse } from 'axios';
+
+let Nim: IRunner;
+export default Nim = class {
+
+    public static execute(code: string): Promise<{ success: boolean, output: string }> {
+        return this.runCode(code)
+            .then((response) => {
+                // Credit to Bryce G. for this section
+                const success = /\[SuccessX\]/.test(response.compileLog);
+                const output = success ? response.log : (/Error:.+(?=\n)/.exec(response.compileLog) || [])[0];
+
+                return {
+                    success,
+                    output: output || "Nim LanguageRunner encountered an internal error",
+                };
+            })
+            .catch(() => {
+                return {
+                    success: false,
+                    output: "Nim LanguageRunner encountered an internal error",
+                };
+            });
+    }
+
+    // Sends code to the nim playground for execution
+    private static runCode(code: string): Promise<{ compileLog: string, log: string }> {
+        const url = "https://play.nim-lang.org/compile";
+        return axios.post(url, {
+            code,
+            compilationTarget: "c",
+            outputFormat: "raw",
+            version: "latest",
+        }).then((response: AxiosResponse) => {
+            return {
+                compileLog: response.data.compileLog,
+                log: response.data.log,
+            };
+        });
+    }
+};