add common fixtures to go etech common libs

fixtures/slices.go

@@ -0,0 +1,10 @@
+package fixtures
+
+func Contains(s []string, e string) bool {
+	for _, a := range s {
+		if a == e {
+			return true
+		}
+	}
+	return false
+}

fixtures/slices_test.go

@@ -0,0 +1,30 @@
+package fixtures
+
+import (
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestContainsOk(t *testing.T) {
+	//Given
+	stringSet := []string{"a", "b", "c"}
+	message := "b"
+
+	//When
+	result := Contains(stringSet, message)
+
+	//Then
+	assert.True(t, result)
+
+}
+
+func TestContainsError(t *testing.T) {
+	stringSet := []string{"a", "b", "c"}
+	message := "m"
+
+	//When
+	result := Contains(stringSet, message)
+
+	//Then
+	assert.False(t, result)
+}