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-rw-r--r--cmd/playsmf/main_test.go48
1 files changed, 48 insertions, 0 deletions
diff --git a/cmd/playsmf/main_test.go b/cmd/playsmf/main_test.go
new file mode 100644
index 0000000..68ee28f
--- /dev/null
+++ b/cmd/playsmf/main_test.go
@@ -0,0 +1,48 @@
+package main
+
+import (
+ "fmt"
+ "io/ioutil"
+ "os"
+ "os/exec"
+ "testing"
+
+ "github.com/pkg/term/termios"
+ "gotest.tools/golden"
+)
+
+func TestMain(m *testing.M) {
+ switch os.Getenv("GOTESTMODE") {
+ case "main":
+ // run the normal main function
+ main()
+ default:
+ os.Exit(m.Run())
+ }
+}
+
+func TestCLI(t *testing.T) {
+ pty, tty, err := termios.Pty()
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer pty.Close()
+
+ cmd := exec.Command(os.Args[0], "-com", tty.Name(), "./testdata/ceottk.mid")
+ cmd.Env = append(os.Environ(), "GOTESTMODE=main")
+
+ output, err := cmd.Output()
+ if err != nil {
+ fmt.Printf("output: %s\n", string(output))
+ t.Fatal(err)
+ }
+
+ tty.Close()
+ b, err := ioutil.ReadAll(pty)
+ if err != nil && err.Error() != "read ptm: input/output error" {
+ t.Errorf("error reading pty: %+v", err)
+ }
+
+ golden.AssertBytes(t, b, "ceottk-serial.golden.bin")
+ golden.Assert(t, string(output), "ceottk-output.golden")
+}