diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..c023f83
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+nonascii.txt text
diff --git a/conf.json b/conf.json
new file mode 100644
index 0000000..10836a3
--- /dev/null
+++ b/conf.json
@@ -0,0 +1,20 @@
+{
+  "stages": [
+    {
+      "name": "healthcheck",
+      "executor": {
+        "name": "sandbox",
+        "with": {
+          "default": {
+            "args": [
+              "/tmp/repo-health-checker",
+              "-root=.",
+              "-allowedDomainList=example.com",
+              "-whitelistedChars=\u6d4b"
+            ]
+          }
+        }
+      }
+    }
+  ]
+}
diff --git a/expected.json b/expected.json
new file mode 100644
index 0000000..0b0f7ee
--- /dev/null
+++ b/expected.json
@@ -0,0 +1,10 @@
+{
+  "failed": false,
+  "msgContains": [
+    "### Non-ASCII Characters File Check Passed"
+  ],
+  "msgNotContains": [
+    "### Non-ASCII Characters File Check Failed"
+  ],
+  "stderrContains": []
+}
diff --git a/nonascii.txt b/nonascii.txt
new file mode 100644
index 0000000..9ea08c4
--- /dev/null
+++ b/nonascii.txt
@@ -0,0 +1 @@
+Allowed non-ASCII: 测