Fix home ~ resolution

home_test.go

@@ -0,0 +1,49 @@
+package main
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestHomeDirectoryPatternExpansion(t *testing.T) {
+	testDir := getTestSubDir(t)
+
+	// Ensure we're working within the project directory
+	ensureInProjectDir(t, testDir)
+
+	// Change to test directory
+	originalDir, _ := os.Getwd()
+	defer os.Chdir(originalDir)
+	os.Chdir(testDir)
+
+	// Get the actual home directory
+	homeDir, err := os.UserHomeDir()
+	assert.NoError(t, err)
+
+	// Create a test directory in the home folder
+	testHomeDir := filepath.Join(homeDir, "synclib_test")
+	err = os.MkdirAll(testHomeDir, 0755)
+	assert.NoError(t, err)
+	defer os.RemoveAll(testHomeDir) // Cleanup
+
+	// Create a test file in the home directory
+	testFile := filepath.Join(testHomeDir, "testhome.csv")
+	err = os.WriteFile(testFile, []byte("test content"), 0644)
+	assert.NoError(t, err)
+
+	// Test the pattern with ~/ that should match the file
+	pattern := "~/synclib_test/testhome.csv"
+	links, err := ExpandPattern(pattern, testDir, "target.csv")
+
+	// This should work but currently fails due to the bug
+	assert.NoError(t, err)
+	assert.Equal(t, 1, len(links), "Pattern should match exactly 1 file")
+
+	if len(links) > 0 {
+		assert.Contains(t, links[0].Source, "testhome.csv")
+		assert.Equal(t, "target.csv", links[0].Target)
+	}
+}