Make a copy of the test database for GET/HEAD HTTP tests

tests/config/get_head.toml

@@ -1,4 +1,4 @@
-path = "tests/data/001.db"
+path = "/tmp/stored/get_head_tests.db"
 
 [http]
 address = "127.0.0.1:9001"

tests/http/get_head.rs

@@ -1,15 +1,21 @@
 //! Tests for GET and HEAD requests.
 
+use std::sync::Once;
+
 use http::header::{CONNECTION, CONTENT_LENGTH, CONTENT_TYPE, LAST_MODIFIED};
 use http::status::StatusCode;
 use log::LevelFilter;
 
+use crate::util::copy_database;
 use crate::util::http::{assert_response, body, header, request};
 
 const DB_PORT: u16 = 9001;
+const DB_PATH: &str = "/tmp/stored/get_head_tests.db";
 const CONF_PATH: &str = "tests/config/get_head.toml";
 const FILTER: LevelFilter = LevelFilter::Warn;
 
+static CP_DB: Once = Once::new();
+
 start_stored_fn!(&[CONF_PATH], &[], FILTER);
 
 /// Make a GET and HEAD request and check the response.
@@ -21,6 +27,10 @@ macro_rules! test {
         expected: $want_status: expr, $want_body: expr,
         $($header_name: ident => $header_value: expr),*,
     ) => {{
+        CP_DB.call_once(|| {
+            copy_database("tests/data/001.db", DB_PATH);
+        });
+
         let _p = start_stored();
 
         request!(