added tests for github.js file

Author: pirafrank

github.test.js

@@ -0,0 +1,63 @@
+const { exec } = require("child_process");
+const {
+  repoOwner,
+  repoName,
+  correctBranch,
+  wrongBranch,
+} = require("./test.common.js");
+
+describe("github.js", () => {
+  describe("commit command", () => {
+    test("commit command, good branch", (done) => {
+      exec(
+        `node github.js commit -o ${repoOwner} -r ${repoName} -b ${correctBranch} -c dummy/file1.txt -m "this is a commit msg"`,
+        (error, stdout, stderr) => {
+          expect(error).toBeNull();
+          expect(stdout).toContain(
+            `Commit created: https://github.com/${repoOwner}/${repoName}/commit`
+          );
+          done();
+        }
+      );
+    }, 10000);
+
+    test("commit command, BAD branch", (done) => {
+      exec(
+        `node github.js commit -o ${repoOwner} -r ${repoName} -b ${wrongBranch} -c dummy/file1.txt -m "this is a commit msg"`,
+        (error, stdout, stderr) => {
+          expect(error).not.toBeNull();
+          expect(stderr).toMatch(/Failed to create commit:/);
+          done();
+        }
+      );
+    }, 10000);
+  });
+
+  describe("branch command", () => {
+    test("branch command, good branch", (done) => {
+      exec(
+        `node github.js branch -o ${repoOwner} -r ${repoName} -b ${correctBranch}`,
+        (error, stdout, stderr) => {
+          expect(error).toBeNull();
+          expect(stdout).toContain(
+            `Repository ${repoOwner}/${repoName} has a branch named '${correctBranch}'`
+          );
+          done();
+        }
+      );
+    }, 10000);
+
+    test("branch command, BAD branch", (done) => {
+      exec(
+        `node github.js branch -o ${repoOwner} -r ${repoName} -b ${wrongBranch}`,
+        (error, stdout, stderr) => {
+          expect(error).toBeNull();
+          expect(stdout).toContain(
+            `Repository ${repoOwner}/${repoName} has no branch named '${wrongBranch}'`
+          );
+          done();
+        }
+      );
+    }, 10000);
+  });
+});

index.test.js

@@ -1,4 +1,3 @@
-require("dotenv").config();
 const {
   repoOwner,
   repoName,

jest.config.js

@@ -0,0 +1,2 @@
+// add dot env to all jest tests
+require("dotenv").config();

package.json

@@ -9,7 +9,9 @@
   },
   "scripts": {
     "gh": "node github.js",
-    "test": "jest"
+    "test": "jest",
+    "test:index": "jest --testPathPattern=index.test.js",
+    "test:github": "jest --testPathPattern=github.test.js"
   },
   "keywords": [
     "git",