runner: pipe commands together

internal/runner/runner_test.go

@@ -2,9 +2,11 @@ package runner_test
 
 import (
 	"context"
+	"os/exec"
 	"testing"
 
 	"git.gentoo.party/sam/thanks/internal/runner"
+	"github.com/stretchr/testify/assert"
 )
 
 func Test_ZCommand(t *testing.T) {
@@ -19,3 +21,12 @@ func Test_ZCommand(t *testing.T) {
 		t.Errorf("localRunner failed: %s\n\n%s", err.Error(), out)
 	}
 }
+
+func Test_Pipelie(t *testing.T) {
+	c1 := exec.Command("echo", "-n", "foo")
+	c2 := exec.Command("rev")
+	out, err := runner.Pipeline(c1, c2)
+
+	assert.Equal(t, "oof", string(out))
+	assert.Nil(t, err)
+}