Fix: Test TestSafeWriteToDisk now works

Oops, my bad.
Despite the function intending to test SafeWriteToDisk it was actually
calling WriteToDisk. WriteToDisk does not return the file exists error
that SafeWriteToDisk does, which the test checks for.

helpers/path_test.go

@@ -457,44 +457,42 @@ func TestFindCWD(t *testing.T) {
 }
 
 func TestSafeWriteToDisk(t *testing.T) {
-	/*
-		emptyFile, _ := createZeroSizedFileInTempDir()
-		defer deleteFileInTempDir(emptyFile)
-		tmpDir, _ := createEmptyTempDir()
-		defer deleteTempDir(tmpDir)
-		os.MkdirAll(tmpDir+"/this/dir/does/not/exist/", 0644)
+	emptyFile, _ := createZeroSizedFileInTempDir()
+	defer deleteFileInTempDir(emptyFile)
+	tmpDir, _ := createEmptyTempDir()
+	defer deleteTempDir(tmpDir)
+	os.MkdirAll(tmpDir+"/this/dir/does/not/exist/", 0644)
 
-		randomString := "This is a random string!"
-		reader := strings.NewReader(randomString)
+	randomString := "This is a random string!"
+	reader := strings.NewReader(randomString)
 
-		fileExists := fmt.Errorf("%v already exists", emptyFile.Name())
-		type test struct {
-			filename    string
-			expectedErr error
-		}
+	fileExists := fmt.Errorf("%v already exists", emptyFile.Name())
+	type test struct {
+		filename    string
+		expectedErr error
+	}
 
-		data := []test{
-			{emptyFile.Name(), fileExists},
-			{tmpDir + "/" + emptyFile.Name(), nil},
-		}
+	data := []test{
+		{emptyFile.Name(), fileExists},
+		{tmpDir + "/" + emptyFile.Name(), nil},
+	}
 
-		for i, d := range data {
-			e := WriteToDisk(d.filename, reader)
-			t.Errorf("Failed: e is %q %#v", e, e)
-			if d.expectedErr != nil {
-				if d.expectedErr.Error() != e.Error() {
-					t.Errorf("Test %d failed. Expected error %q but got %q", i, d.expectedErr.Error(), e.Error())
-				}
-			}
-			if d.expectedErr != e {
-				t.Errorf("Test %d failed. Expected %q but got %q", i, d.expectedErr, e)
-			}
-			contents, e := ioutil.ReadFile(d.filename)
-			if randomString != string(contents) {
-				t.Errorf("Test %d failed. Expected contents %q but got %q", i, randomString, string(contents))
+	for i, d := range data {
+		e := SafeWriteToDisk(d.filename, reader)
+		t.Errorf("Failed: e is %q %#v", e, e)
+		if d.expectedErr != nil {
+			if d.expectedErr.Error() != e.Error() {
+				t.Errorf("Test %d failed. Expected error %q but got %q", i, d.expectedErr.Error(), e.Error())
 			}
 		}
-	*/
+		if d.expectedErr != e {
+			t.Errorf("Test %d failed. Expected %q but got %q", i, d.expectedErr, e)
+		}
+		contents, e := ioutil.ReadFile(d.filename)
+		if randomString != string(contents) {
+			t.Errorf("Test %d failed. Expected contents %q but got %q", i, randomString, string(contents))
+		}
+	}
 }
 
 func TestWriteToDisk(t *testing.T) {