From 53bab393707578933a1695e86b4e08f4882d6233 Mon Sep 17 00:00:00 2001
From: Alain Schlesser <alain.schlesser@gmail.com>
Date: Mon, 18 Dec 2023 16:06:50 +0000
Subject: [PATCH 1/2] Support sockets in compsoer prepare-tests

---
 bin/install-package-tests | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/bin/install-package-tests b/bin/install-package-tests
index 841c268b..15492720 100755
--- a/bin/install-package-tests
+++ b/bin/install-package-tests
@@ -8,6 +8,14 @@
 # - WP_CLI_TEST_DBUSER is the user that the tests run under (defaults to "wp_cli_test").
 # - WP_CLI_TEST_DBPASS is the password to use for the above user (defaults to "password1").
 
+# POSIX compliant function to check if a string is numeric.
+is_numeric() {
+    case $1 in
+        ''|*[!0-9]*) return 1;;  # returns 1 if not numeric
+        *) return 0;;           # returns 0 if numeric
+    esac
+}
+
 HOST=localhost
 PORT=""
 HOST_STRING=''
@@ -16,9 +24,14 @@ if [ -n "${WP_CLI_TEST_DBHOST}" ]; then
 		(*:*) HOST=${WP_CLI_TEST_DBHOST%:*} PORT=${WP_CLI_TEST_DBHOST##*:};;
 		(*)   HOST=${WP_CLI_TEST_DBHOST};;
 	esac
-  HOST_STRING="-h${HOST}"
-  if [ -n "${PORT}" ]; then
-  	HOST_STRING="${HOST_STRING} -P${PORT} --protocol=tcp"
+	HOST_STRING="-h${HOST}"
+	if [ -n "${PORT}" ]; then
+		# If the port is not numeric, then we assume it is a socket path.
+		if is_numeric "${PORT}"; then
+			HOST_STRING="${HOST_STRING} -P${PORT} --protocol=tcp"
+		else
+			HOST_STRING="${HOST_STRING} --socket=${PORT}"
+		fi
 	fi
 fi
 

From 03bd64822830a48480332afa85c39a4fbb8a9382 Mon Sep 17 00:00:00 2001
From: Alain Schlesser <alain.schlesser@gmail.com>
Date: Mon, 18 Dec 2023 16:08:45 +0000
Subject: [PATCH 2/2] Add small documentation snippet

---
 bin/install-package-tests | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bin/install-package-tests b/bin/install-package-tests
index 15492720..61e9dc4d 100755
--- a/bin/install-package-tests
+++ b/bin/install-package-tests
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 # Database credentials can be provided via environment variables:
-# - WP_CLI_TEST_DBHOST is the host to use and can include a port, i.e "127.0.0.1:33060" (defaults to "localhost")
+# - WP_CLI_TEST_DBHOST is the host to use and can include a port or a socket after a colon, i.e "127.0.0.1:33060" (defaults to "localhost")
 # - WP_CLI_TEST_DBROOTUSER is the user that has permission to administer databases and users (defaults to "root").
 # - WP_CLI_TEST_DBROOTPASS is the password to use for the above user (defaults to an empty password).
 # - WP_CLI_TEST_DBNAME is the database that the tests run under (defaults to "wp_cli_test").