From fbc479beff90ead42c0edb1eca9073cec18d004a Mon Sep 17 00:00:00 2001
From: anjor <anjor@umd.edu>
Date: Sun, 20 Oct 2024 09:54:52 +0100
Subject: [PATCH] sort cars test

---
 cmd-car-split_test.go | 50 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 cmd-car-split_test.go

diff --git a/cmd-car-split_test.go b/cmd-car-split_test.go
new file mode 100644
index 00000000..6c8154ef
--- /dev/null
+++ b/cmd-car-split_test.go
@@ -0,0 +1,50 @@
+package main
+
+import (
+	"path/filepath"
+	"testing"
+)
+
+func TestSortCarFiles(t *testing.T) {
+
+	fixturesDir := "fixtures"
+
+	carFiles := []string{
+		filepath.Join(fixturesDir, "epoch-0-1.car"),
+		filepath.Join(fixturesDir, "epoch-0-2.car"),
+		filepath.Join(fixturesDir, "epoch-0-3.car"),
+	}
+
+	result, err := SortCarFiles(carFiles)
+
+	if err != nil {
+		t.Fatalf("unexpected error: %s", err)
+	}
+
+	if len(result) != 3 {
+		t.Fatalf("unexpected result length: %d", len(result))
+	}
+
+	expectedResults := []struct {
+		name      string
+		firstSlot int64
+		size      int64
+	}{
+		{filepath.Join(fixturesDir, "epoch-0-1.car"), 0, 96932},
+		{filepath.Join(fixturesDir, "epoch-0-2.car"), 10, 100027},
+		{filepath.Join(fixturesDir, "epoch-0-3.car"), 20, 99487},
+	}
+
+	for i, expected := range expectedResults {
+		if result[i].name != expected.name {
+			t.Fatalf("unexpected name: %s", result[i].name)
+		}
+		if result[i].firstSlot != expected.firstSlot {
+			t.Fatalf("unexpected firstSlot: %d", result[i].firstSlot)
+		}
+		if result[i].size != expected.size {
+			t.Fatalf("unexpected size: %d", result[i].size)
+		}
+	}
+
+}