micro/runtime/local/local_test.go

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package local
import (
"os"
"path/filepath"
"testing"
"github.com/stretchr/testify/assert"
)
func TestEntrypoint(t *testing.T) {
wd, _ := os.Getwd()
// test a service with idiomatic folder structure
result, err := Entrypoint(filepath.Join(wd, "test"))
assert.Nil(t, err, "Didn'expected entrypoint to return an error")
assert.Equal(t, "cmd/test/main.go", result, "Expected entrypoint to return cmd/test/main.go")
// test a service with a top level main.go
result, err = Entrypoint(filepath.Join(wd, "test/bar"))
assert.Nil(t, err, "Didn'expected entrypoint to return an error")
assert.Equal(t, "main.go", result, "Expected entrypoint to return main.go")
// test a service with multiple main.go files within the cmd folder
result, err = Entrypoint(filepath.Join(wd, "test/foo"))
assert.Error(t, err, "Expected entrypoint to return an error when multiple main.go files exist")
assert.Equal(t, "", result, "Expected entrypoint to not return a result")
// test a service with no main.go files
result, err = Entrypoint(filepath.Join(wd, "test/empty"))
assert.Error(t, err, "Expected entrypoint to return an error when no main.go files exist")
assert.Equal(t, "", result, "Expected entrypoint to not return a result")
}