esync

commit c195e159f2aa456bc041e4f6ea8ab5b0ac7e23a2
parent 379844e0cffedfe61ad00c2b94d609f9cb307c81
Author: Erik Loualiche <eloualic@umn.edu>
Date:   Wed,  4 Mar 2026 07:25:11 -0600

test: add tests for groupFilesByTopLevel with files field

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Diffstat:
A
cmd/sync_test.go
 | 
65
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

1 file changed, 65 insertions(+), 0 deletions(-)
diff --git a/cmd/sync_test.go b/cmd/sync_test.go
@@ -0,0 +1,65 @@
+package cmd
+
+import (
+	"testing"
+
+	"github.com/louloulibs/esync/internal/syncer"
+)
+
+func TestGroupFilesByTopLevel_MultiFile(t *testing.T) {
+	files := []syncer.FileEntry{
+		{Name: "cmd/sync.go", Bytes: 100},
+		{Name: "cmd/root.go", Bytes: 200},
+		{Name: "main.go", Bytes: 50},
+	}
+
+	groups := groupFilesByTopLevel(files)
+
+	if len(groups) != 2 {
+		t.Fatalf("got %d groups, want 2", len(groups))
+	}
+
+	// First group: cmd/ with 2 files
+	g := groups[0]
+	if g.name != "cmd/" {
+		t.Errorf("group[0].name = %q, want %q", g.name, "cmd/")
+	}
+	if g.count != 2 {
+		t.Errorf("group[0].count = %d, want 2", g.count)
+	}
+	if len(g.files) != 2 {
+		t.Fatalf("group[0].files has %d entries, want 2", len(g.files))
+	}
+	if g.files[0] != "cmd/sync.go" || g.files[1] != "cmd/root.go" {
+		t.Errorf("group[0].files = %v, want [cmd/sync.go cmd/root.go]", g.files)
+	}
+
+	// Second group: root file
+	g = groups[1]
+	if g.name != "main.go" {
+		t.Errorf("group[1].name = %q, want %q", g.name, "main.go")
+	}
+	if g.files != nil {
+		t.Errorf("group[1].files should be nil for root file, got %v", g.files)
+	}
+}
+
+func TestGroupFilesByTopLevel_SingleFileDir(t *testing.T) {
+	files := []syncer.FileEntry{
+		{Name: "internal/config/config.go", Bytes: 300},
+	}
+
+	groups := groupFilesByTopLevel(files)
+
+	if len(groups) != 1 {
+		t.Fatalf("got %d groups, want 1", len(groups))
+	}
+
+	g := groups[0]
+	if g.name != "internal/config/config.go" {
+		t.Errorf("name = %q, want full path", g.name)
+	}
+	if g.files != nil {
+		t.Errorf("files should be nil for single-file dir, got %v", g.files)
+	}
+}