ref: Simplify path builder code

1 files changed, 59 insertions, 0 deletions

diff --git a/pkg/u/file_test.go b/pkg/u/file_test.go
new file mode 100644
index 0000000..b7d6975
--- /dev/null
+++ b/pkg/u/file_test.go
@@ -0,0 +1,59 @@
+// go:build unit
+package u
+
+import "testing"
+
+func TestPathing(t *testing.T) {
+	testCases := []struct {
+		name string
+		in   []any
+		out  string
+	}{
+		{
+			name: "root",
+			in:   []any{},
+			out:  "",
+		},
+		{
+			name: "empty",
+			in: []any{
+				"/",
+				[]string{"/", "/"},
+				"/",
+				[]string{"/"},
+			},
+			out: "",
+		},
+		{
+			name: "empty",
+			in: []any{
+				"usr",
+				[]string{"/share/", "lib"},
+				"/demo",
+				[]string{"/out//"},
+			},
+			out: "/usr/share/lib/demo/out",
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			r := NewPathing()
+
+			for _, v := range tc.in {
+				switch s := v.(type) {
+				case string:
+					r = r.AddPath(s)
+				case []string:
+					r = r.AddPaths(s)
+				}
+			}
+
+			path := r.Done()
+			if tc.out != path {
+				t.Errorf("String mismatch: wanted %s got %s", tc.out, path)
+			}
+
+		})
+	}
+}