How run tests?

[eleimt]

Hello!
I tried run simple test

func TestSimple(t *testing.T) {
	t.Errorf("error")
}

but get error

$ tinygo test -target=pico ./cmd/myproject
FAIL    myproject/cmd/myproject     0.000s
# myproject/internal/config
..\..\internal\config\config.go:34:22: undefined: machine.UART0_TX_PIN
..\..\internal\config\config.go:35:22: undefined: machine.UART0_RX_PIN
..\..\internal\config\config.go:40:22: undefined: machine.UART0_TX_PIN
..\..\internal\config\config.go:41:22: undefined: machine.UART0_RX_PIN

I have config.go file

func MustLoad() *Config {
	return &Config{
		Receiver: Uart{
			Uart:     machine.UART0,
			Tx:       machine.UART0_TX_PIN,
			Rx:       machine.UART0_RX_PIN,
			BaudRate: 115200,
		},
		// ...
	}
}

Help me please...

[aykevl]

You are leaving out a lot of code. What's this Config struct? What's this Uart struct?

Note that you probably don't want to use UART on the pico, most people use the default serial output over USB (which is USB-CDC, not UART), and is available from machine.Serial.

[eleimt]

@aykevl It's just structure, example:

type Config struct {
	Receiver    Uart
	Transmitter Uart
}

type Uart struct {
	Uart     *machine.UART
	Tx       machine.Pin
	Rx       machine.Pin
	BaudRate uint
}

For run tests I using USB. Without mapping Pins tests works normal.

[eleimt]

@aykevl

[deadprogram]

Hello @eleimt could you please provide a complete code sample that shows your specific issue? Thank you.

[eleimt]

Hello @eleimt could you please provide a complete code sample that shows your specific issue? Thank you.

@deadprogram
File 1: cmd/abc/main.go

package main

import (
	"machine"
	"time"
)

func main() {
	led := machine.LED
	led.Configure(machine.PinConfig{Mode: machine.PinOutput})
	for {
		led.Low()
		time.Sleep(time.Millisecond * 500)

		led.High()
		time.Sleep(time.Millisecond * 500)
	}
}

File 2 cmd/abc/main_test.go

package main

import (
	"testing"
)

func TestBuild(t *testing.T) {
	t.Errorf("Should not produce an error")
}

Run command tinygo test ./cmd/abc result:

FAIL    abc/cmd/abc     0.000s
# abc/cmd/abc
cmd\abc\main.go:10:17: undefined: machine.LED

I'm expecting

--- FAIL: TestBuild (0.00s)
    Should not produce an error
FAIL
FAIL    abc/cmd/abc     0.042s

[eleimt]

@deadprogram Do you need any more information?

[eleimt]

@aykevl @deadprogram Help, please :)

[aykevl]

tinygo test ./cmd/abc runs the test on the host system, which does not have machine.LED defined. So it makes sense this will produce an error.

What are you trying to achieve? Run test on the host system, or run tests on the pico?

[eleimt]

tinygo test ./cmd/abc runs the test on the host system, which does not have machine.LED defined. So it makes sense this will produce an error.

What are you trying to achieve? Run test on the host system, or run tests on the pico?

On the Pico

[aykevl]

Ok, in that case you would need to use tinygo test -target=pick ./cmd/abc. But I don't think we really support this. It's difficult to run such tests on real hardware.

Unfortunately we don't support running Go tests on real hardware at the moment.

[eleimt]

Ok, in that case you would need to use tinygo test -target=pick ./cmd/abc. But I don't think we really support this. It's difficult to run such tests on real hardware.

Unfortunately we don't support running Go tests on real hardware at the moment.

Okay. How I can run tests on the host system? @aykevl

[aykevl]

You can use go test or tinygo test as usual. Though you will likely have to modify your program to not import the machine package in tests.