From 24ca48104f796a85d32e9f406c39e0467d5c0cfb Mon Sep 17 00:00:00 2001
From: Brandon Dyck <brandon@dyck.us>
Date: Sun, 18 Aug 2024 00:13:10 -0600
Subject: [PATCH] test: handle fs.Stat errors to prevent panics

---
 internal/assertions/assertions.go | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/internal/assertions/assertions.go b/internal/assertions/assertions.go
index a959434..a2b5096 100644
--- a/internal/assertions/assertions.go
+++ b/internal/assertions/assertions.go
@@ -983,8 +983,13 @@ func FileExistsFS(system fs.FS, file string) (s string) {
 		s += bullet("error: %s\n", err)
 		return
 	}
+	if err != nil {
+		s = "got an unexpected error\n"
+		s += bullet("name: %s\n", file)
+		s += bullet("error: %s\n", err)
+		return
+	}
 
-	// other errors - file probably exists but cannot be read
 	if info.IsDir() {
 		s = "expected file but is a directory\n"
 		s += bullet("name: %s\n", file)
@@ -1016,7 +1021,12 @@ func DirExistsFS(system fs.FS, directory string) (s string) {
 		s += bullet("error: %s\n", err)
 		return
 	}
-	// other errors - directory probably exists but cannot be read
+	if err != nil {
+		s = "got an unexpected error\n"
+		s += bullet("name: %s\n", directory)
+		s += bullet("error: %s\n", err)
+		return
+	}
 	if !info.IsDir() {
 		s = "expected directory but is a file\n"
 		s += bullet("name: %s\n", directory)