zk/internal/util/test/assert/assert.go
Mickaël Menu 50855154e2
Architecture (#27)
* Move everything under the internal package.
* Better separation between core and adapter packages, for easier unit testing.
* Simplify data models.
* Support multiple opened notebooks during runtime (useful for the LSP server).
* Proper surface API which might be exposed later as a public Go package.
2021-04-14 20:14:01 +02:00

79 lines
2.0 KiB
Go

package assert
import (
"encoding/json"
"reflect"
"strings"
"testing"
"github.com/google/go-cmp/cmp"
"github.com/mickael-menu/pretty"
)
func True(t *testing.T, value bool) {
if !value {
t.Errorf("Expected to be true")
}
}
func False(t *testing.T, value bool) {
if value {
t.Errorf("Expected to be false")
}
}
func Nil(t *testing.T, value interface{}) {
if !isNil(value) {
t.Errorf("Expected `%v` (type %v) to be nil", value, reflect.TypeOf(value))
}
}
func NotNil(t *testing.T, value interface{}) {
if isNil(value) {
t.Errorf("Expected `%v` (type %v) to not be nil", value, reflect.TypeOf(value))
}
}
func isNil(value interface{}) bool {
return value == nil ||
(reflect.ValueOf(value).Kind() == reflect.Ptr && reflect.ValueOf(value).IsNil())
}
func Equal(t *testing.T, actual, expected interface{}) {
if !(reflect.DeepEqual(actual, expected) || cmp.Equal(actual, expected)) {
t.Errorf("Received (type %v):\n% #v", reflect.TypeOf(actual), pretty.Formatter(actual))
t.Errorf("\n---\n")
t.Errorf("But expected (type %v):\n% #v", reflect.TypeOf(expected), pretty.Formatter(expected))
t.Errorf("\n---\n")
t.Errorf("Diff:\n")
for _, diff := range pretty.Diff(actual, expected) {
t.Errorf("\t% #v", diff)
}
}
}
func NotEqual(t *testing.T, actual, other interface{}) {
if reflect.DeepEqual(actual, other) || cmp.Equal(actual, other) {
t.Errorf("Received (type %v):\n% #v", reflect.TypeOf(actual), pretty.Formatter(actual))
t.Errorf("\n---\n")
t.Errorf("Expected to be different from (type %v):\n% #v", reflect.TypeOf(other), pretty.Formatter(other))
t.Errorf("\n---\n")
}
}
func toJSON(t *testing.T, obj interface{}) string {
json, err := json.Marshal(obj)
// json, err := json.MarshalIndent(obj, "", " ")
Nil(t, err)
return string(json)
}
func Err(t *testing.T, err error, expected string) {
switch {
case err == nil:
t.Errorf("Expected error `%v`, received nil", expected)
case !strings.Contains(err.Error(), expected):
t.Errorf("Expected error `%v`, received `%v`", expected, err.Error())
}
}