Initial commit

fileproc/collector_test.go

@@ -0,0 +1,47 @@
+package fileproc
+
+import (
+	"os"
+	"testing"
+)
+
+func TestCollectFilesWithFakeWalker(t *testing.T) {
+	// Instead of using the production walker, use FakeWalker.
+	expectedFiles := []string{
+		"/path/to/file1.txt",
+		"/path/to/file2.go",
+	}
+	fake := FakeWalker{
+		Files: expectedFiles,
+		Err:   nil,
+	}
+
+	// Use fake.Walk directly.
+	files, err := fake.Walk("dummyRoot")
+	if err != nil {
+		t.Fatalf("Expected no error, got %v", err)
+	}
+
+	if len(files) != len(expectedFiles) {
+		t.Fatalf("Expected %d files, got %d", len(expectedFiles), len(files))
+	}
+
+	for i, f := range files {
+		if f != expectedFiles[i] {
+			t.Errorf("Expected file %s, got %s", expectedFiles[i], f)
+		}
+	}
+}
+
+func TestCollectFilesError(t *testing.T) {
+	// Fake walker returns an error.
+	fake := FakeWalker{
+		Files: nil,
+		Err:   os.ErrNotExist,
+	}
+
+	_, err := fake.Walk("dummyRoot")
+	if err == nil {
+		t.Fatal("Expected an error, got nil")
+	}
+}