From 5bf0b0b4e10bad20b6a30e710ba869eba3b53534 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philipp=20H=C3=A4felfinger?= <philipp@haefelfinger.ch>
Date: Wed, 13 Mar 2019 00:14:19 +0100
Subject: [PATCH] added first unit test

---
 .gitignore                                    |  2 +-
 .../checksumCalculator_test.go                | 38 +++++++++++++++++++
 test/md5testfile.txt                          |  1 +
 3 files changed, 40 insertions(+), 1 deletion(-)
 create mode 100644 internal/pkg/localFileStructure/checksumCalculator_test.go
 create mode 100644 test/md5testfile.txt

diff --git a/.gitignore b/.gitignore
index b89c180..8a41a08 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,7 +27,7 @@ _testmain.go
 .idea/
 *.log
 
-test/
+testImages/
 
 devconfig.ini
 /main
diff --git a/internal/pkg/localFileStructure/checksumCalculator_test.go b/internal/pkg/localFileStructure/checksumCalculator_test.go
new file mode 100644
index 0000000..047d362
--- /dev/null
+++ b/internal/pkg/localFileStructure/checksumCalculator_test.go
@@ -0,0 +1,38 @@
+package localFileStructure
+
+import (
+	"github.com/sirupsen/logrus"
+	"github.com/sirupsen/logrus/hooks/test"
+	"testing"
+)
+
+func TestCalculateFileCheckSumsWithValidFile(t *testing.T) {
+	expectedSum := "2e7c66bd6657b1a8659ba05af26a0f7e"
+
+	sum, err := calculateFileCheckSums("../../../test/md5testfile.txt")
+	if err != nil {
+		t.Error(err)
+	}
+
+	if sum != expectedSum {
+		t.Errorf("wrong md5 sum provided: expected %s - got %s", expectedSum, sum)
+	}
+}
+
+func TestCalculateFileCheckSumsWithWrongPath(t *testing.T) {
+	hook := test.NewGlobal()
+	hook.Reset()
+
+	sum, err := calculateFileCheckSums("unknownPath")
+	if err == nil {
+		t.Error("there was no error using an invalid and unknown path.")
+	}
+
+	if sum != "" {
+		t.Error("found a checksum of an invalid file. This should not happen!")
+	}
+
+	if hook.LastEntry().Level != logrus.ErrorLevel {
+		t.Errorf("the error was not logged")
+	}
+}
diff --git a/test/md5testfile.txt b/test/md5testfile.txt
new file mode 100644
index 0000000..2e87a5c
--- /dev/null
+++ b/test/md5testfile.txt
@@ -0,0 +1 @@
+This is a md5sum testfile to check the md5 wrapping code
\ No newline at end of file