add tests for windows vs other shell spawning behaviour

Author: Filip Maj

packages/cli-test/src/cli/shell.spec.ts

@@ -65,14 +65,48 @@ describe('shell module', () => {
       const fakeArgs = ['"hi there"'];
       shell.runCommandSync(fakeCmd, fakeArgs);
       sandbox.assert.calledOnce(assembleSpy);
-      sandbox.assert.calledWithMatch(runSpy, fakeCmd, fakeArgs, sinon.match({ shell: true, env: fakeEnv }));
+      sandbox.assert.calledWithMatch(
+        runSpy,
+        sinon.match.string,
+        sinon.match.array,
+        sinon.match({ shell: true, env: fakeEnv }),
+      );
     });
     it('should raise bubble error details up', () => {
       runSpy.throws(new Error('this is bat country'));
       assert.throw(() => {
         shell.runCommandSync('about to explode', []);
       }, /this is bat country/);
     });
+    if (process.platform === 'win32') {
+      it('on Windows, should wrap command to shell out in a `cmd /s /c` wrapper process', () => {
+        const fakeEnv = { HEY: 'yo' };
+        sandbox.stub(shell, 'assembleShellEnv').returns(fakeEnv);
+        const fakeCmd = 'echo';
+        const fakeArgs = ['"hi there"'];
+        shell.runCommandSync(fakeCmd, fakeArgs);
+        sandbox.assert.calledWithMatch(
+          runSpy,
+          'cmd',
+          sinon.match.array.contains(['/s', '/c', fakeCmd, ...fakeArgs]),
+          sinon.match({ shell: true, env: fakeEnv }),
+        );
+      });
+    } else {
+      it('on non-Windows, should shell out to provided command directly', () => {
+        const fakeEnv = { HEY: 'yo' };
+        sandbox.stub(shell, 'assembleShellEnv').returns(fakeEnv);
+        const fakeCmd = 'echo';
+        const fakeArgs = ['"hi there"'];
+        shell.runCommandSync(fakeCmd, fakeArgs);
+        sandbox.assert.calledWithMatch(
+          runSpy,
+          fakeCmd,
+          sinon.match.array.contains(fakeArgs),
+          sinon.match({ shell: true, env: fakeEnv }),
+        );
+      });
+    }
   });
 
   describe('spawnProcess method', () => {
@@ -83,14 +117,48 @@ describe('shell module', () => {
       const fakeArgs = ['"hi there"'];
       shell.spawnProcess(fakeCmd, fakeArgs);
       sandbox.assert.calledOnce(assembleSpy);
-      sandbox.assert.calledWithMatch(spawnSpy, fakeCmd, fakeArgs, sinon.match({ shell: true, env: fakeEnv }));
+      sandbox.assert.calledWithMatch(
+        spawnSpy,
+        sinon.match.string,
+        sinon.match.array,
+        sinon.match({ shell: true, env: fakeEnv }),
+      );
     });
     it('should raise bubble error details up', () => {
       spawnSpy.throws(new Error('this is bat country'));
       assert.throw(() => {
         shell.spawnProcess('about to explode', []);
       }, /this is bat country/);
     });
+    if (process.platform === 'win32') {
+      it('on Windows, should wrap command to shell out in a `cmd /s /c` wrapper process', () => {
+        const fakeEnv = { HEY: 'yo' };
+        sandbox.stub(shell, 'assembleShellEnv').returns(fakeEnv);
+        const fakeCmd = 'echo';
+        const fakeArgs = ['"hi there"'];
+        shell.spawnProcess(fakeCmd, fakeArgs);
+        sandbox.assert.calledWithMatch(
+          spawnSpy,
+          'cmd',
+          sinon.match.array.contains(['/s', '/c', fakeCmd, ...fakeArgs]),
+          sinon.match({ shell: true, env: fakeEnv }),
+        );
+      });
+    } else {
+      it('on non-Windows, should shell out to provided command directly', () => {
+        const fakeEnv = { HEY: 'yo' };
+        sandbox.stub(shell, 'assembleShellEnv').returns(fakeEnv);
+        const fakeCmd = 'echo';
+        const fakeArgs = ['"hi there"'];
+        shell.spawnProcess(fakeCmd, fakeArgs);
+        sandbox.assert.calledWithMatch(
+          spawnSpy,
+          fakeCmd,
+          sinon.match.array.contains(fakeArgs),
+          sinon.match({ shell: true, env: fakeEnv }),
+        );
+      });
+    }
   });
 
   describe('waitForOutput method', () => {