courgette/internal/runner/runner_test.go

package runner

import (
	"testing"
)

func TestGetContainerNameReturnsADeterministicName(t *testing.T) {
	runner := Runner{}
	containerName := runner.GetContainerName("testid")
	if containerName != "runner-testid" {
		t.Errorf("Unexpected container name: %s", containerName)
	}
}

func TestGetImageUriByLabelReturnsAUriIfLabelled(t *testing.T) {
	labels := map[string]string{
		"test-label": "some-image",
	}
	runner := Runner{
		Labels: labels,
	}
	imageUri := runner.GetImageUriByLabel("test-label")
	if uri, _ := labels["test-label"]; imageUri != uri {
		t.Errorf("Expected uri %s, got %s instead.", uri, imageUri)
	}
}

func TestGetImageUriByLabelReturnsTheDefaultUriIfLabelUnknown(t *testing.T) {
	labels := map[string]string{}
	runner := Runner{
		Labels: labels,
	}
	imageUri := runner.GetImageUriByLabel("test-label")
	if imageUri != "debian:latest" {
		t.Errorf("Expected default uri, got %s instead.", imageUri)
	}
}