ensure basic control of stdout and stderr

Author: spion

tests/__snapshots__/basic.ts.snap

@@ -0,0 +1,17 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`basic should keep its stdout and stderr stable 1`] = `
+"@x/p1
+ | $ sleep $1; echo @x/p1 $1 >> '/home/spion/Projects/wsrun/tmp/wsrun-packages/p1/test-1/echo.out' 0 Hello
+@x/p2
+ | $ sleep $1; echo @x/p2 $1 >> '/home/spion/Projects/wsrun/tmp/wsrun-packages/p2/test-1/echo.out' 0 Hello
+"
+`;
+
+exports[`basic should keep its stdout and stderr stable 2`] = `
+" | sleep: missing operand
+ | Try 'sleep --help' for more information.
+ | sleep: missing operand
+ | Try 'sleep --help' for more information.
+"
+`;

tests/basic.ts

@@ -217,4 +217,20 @@ describe('basic', () => {
       }
     )
   })
+
+  it('should keep its stdout and stderr stable', async () => {
+    await withScaffold(
+      {
+        packages: [
+          echo.makePkg({ name: '@x/p1', path: 'packages/p1', dependencies: {} }),
+          echo.makePkg({ name: '@x/p2', path: 'packages/p2', dependencies: { '@x/p1': '*' } })
+        ]
+      },
+      async () => {
+        let tst = await wsrun('--serial doecho 0 Hello')
+        expect(tst.stdout.toString()).toMatchSnapshot()
+        expect(tst.stderr.toString()).toMatchSnapshot()
+      }
+    )
+  })
 })