Full application rewrite

internal/organizer/modes/hardlink_test.go

@@ -0,0 +1,47 @@
+package modes_test
+
+import (
+	"fmt"
+	"os"
+	"testing"
+
+	. "github.com/derfenix/photocatalog/internal/organizer/modes"
+)
+
+func TestHardLink_PlaceIt(t *testing.T) {
+	t.Parallel()
+
+	const testDataDir = "hardlink"
+
+	t.Cleanup(func() {
+		if err := os.RemoveAll(fmt.Sprintf("./testdata/%s/target/", testDataDir)); err != nil {
+			t.Errorf("error removing ./testdata/%s/target/: %v", testDataDir, err)
+		}
+	})
+
+	if err := os.Mkdir(fmt.Sprintf("./testdata/%s/target/", testDataDir), 0777); err != nil {
+		t.Errorf("error creating ./testdata/%s/target/: %v", testDataDir, err)
+	}
+
+	source := fmt.Sprintf("./testdata/%s/source/foo.txt", testDataDir)
+	target := fmt.Sprintf("./testdata/%s/target/foo.txt", testDataDir)
+
+	err := HardLink{}.PlaceIt(source, target, 0644)
+	if err != nil {
+		t.Errorf("place file: %v", err)
+	}
+
+	targetData, err := os.ReadFile(target)
+	if err != nil {
+		t.Errorf("read target file: %v", err)
+	}
+
+	sourceData, err := os.ReadFile(source)
+	if err != nil {
+		t.Errorf("read source file: %v", err)
+	}
+
+	if string(targetData) != string(sourceData) {
+		t.Error("copy file contents missmatch")
+	}
+}