Introduce gobottest package with test helpers

- this package is for testing purposes only

gobottest/gobottest.go

@@ -0,0 +1,35 @@
+package gobottest
+
+import (
+	"fmt"
+	"reflect"
+	"runtime"
+	"strings"
+	"testing"
+)
+
+var errFunc = func(t *testing.T, message string) {
+	t.Errorf(message)
+}
+
+func logFailure(t *testing.T, message string) {
+	_, file, line, _ := runtime.Caller(2)
+	s := strings.Split(file, "/")
+	errFunc(t, fmt.Sprintf("%v:%v: %v", s[len(s)-1], line, message))
+}
+
+// Assert checks if a and b are equal, emis a t.Errorf if they are not equal.
+func Assert(t *testing.T, a interface{}, b interface{}) {
+	if !reflect.DeepEqual(a, b) {
+		logFailure(t, fmt.Sprintf("%v - \"%v\", should equal,  %v - \"%v\"",
+			a, reflect.TypeOf(a), b, reflect.TypeOf(b)))
+	}
+}
+
+// Refute checks if a and b are equal, emis a t.Errorf if they are equal.
+func Refute(t *testing.T, a interface{}, b interface{}) {
+	if reflect.DeepEqual(a, b) {
+		logFailure(t, fmt.Sprintf("%v - \"%v\", should not equal,  %v - \"%v\"",
+			a, reflect.TypeOf(a), b, reflect.TypeOf(b)))
+	}
+}

gobottest/gobottest_test.go

@@ -0,0 +1,37 @@
+package gobottest
+
+import "testing"
+
+func TestAssert(t *testing.T) {
+	err := ""
+	errFunc = func(t *testing.T, message string) {
+		err = message
+	}
+
+	Assert(t, 1, 1)
+	if err != "" {
+		t.Errorf("Assert failed: 1 should equal 1")
+	}
+
+	Assert(t, 1, 2)
+	if err == "" {
+		t.Errorf("Assert failed: 1 should not equal 2")
+	}
+}
+
+func TestRefute(t *testing.T) {
+	err := ""
+	errFunc = func(t *testing.T, message string) {
+		err = message
+	}
+
+	Refute(t, 1, 2)
+	if err != "" {
+		t.Errorf("Refute failed: 1 should not be 2")
+	}
+
+	Refute(t, 1, 1)
+	if err == "" {
+		t.Errorf("Refute failed: 1 should not be 1")
+	}
+}