From d8025ff93d66ec1ff7a6ffd90783e877e9eaafff Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Sun, 13 Jun 2021 02:42:26 +0100
Subject: Support creating a PostgreSQL mock DB and filling it with a schema
 script

---
 test/Jamfile.jam           |  1 +
 test/test-postgresql.cpp   |  8 ++++++++
 test/testdb-postgresql.cpp | 11 +++++++++++
 test/testdb-postgresql.h   |  1 +
 4 files changed, 21 insertions(+)

(limited to 'test')

diff --git a/test/Jamfile.jam b/test/Jamfile.jam
index 691a68f..8025839 100644
--- a/test/Jamfile.jam
+++ b/test/Jamfile.jam
@@ -4,6 +4,7 @@ project : requirements
 	<library>../lib//mygrate
 	<library>boost_unit_test_framework/<link>shared
 	<define>BOOST_TEST_DYN_LINK
+	<define>ROOT=\\\"$(root)\\\"
 	;
 
 lib testdb :
diff --git a/test/test-postgresql.cpp b/test/test-postgresql.cpp
index 38feb3c..faafcc0 100644
--- a/test/test-postgresql.cpp
+++ b/test/test-postgresql.cpp
@@ -82,3 +82,11 @@ BOOST_AUTO_TEST_CASE(mock)
 	auto rs = MyGrate::DbStmt<"SELECT CURRENT_DATABASE()">::execute(&mdb);
 	BOOST_CHECK_EQUAL(rs->at(0, 0).get<std::string_view>().substr(0, 13), "mygrate_test_");
 }
+
+BOOST_AUTO_TEST_CASE(mock_schema)
+{
+	MyGrate::Testing::PqConnDB db {ROOT "/db/schema.sql"};
+	auto mdb = db.mock();
+	auto rs = MyGrate::DbStmt<"SELECT COUNT(*) FROM mygrate.source">::execute(&mdb);
+	BOOST_CHECK_EQUAL(rs->at(0, 0).operator unsigned int(), 0);
+}
diff --git a/test/testdb-postgresql.cpp b/test/testdb-postgresql.cpp
index 55f163f..c59640a 100644
--- a/test/testdb-postgresql.cpp
+++ b/test/testdb-postgresql.cpp
@@ -1,6 +1,7 @@
 #include "testdb-postgresql.h"
 #include <compileTimeFormatter.h>
 #include <cstdlib>
+#include <fstream>
 #include <helpers.h>
 #include <output/pq/pqConn.h>
 
@@ -15,6 +16,16 @@ namespace MyGrate {
 			query(("CREATE DATABASE " + mockname).c_str());
 		}
 
+		PqConnDB::PqConnDB(const std::string & schemaFile) : PqConnDB()
+		{
+			auto mdb = mock();
+
+			std::stringstream buffer;
+			buffer << std::ifstream(schemaFile).rdbuf();
+
+			mdb.query(buffer.str().c_str());
+		}
+
 		PqConnDB::~PqConnDB()
 		{
 			query(("DROP DATABASE IF EXISTS " + mockname).c_str());
diff --git a/test/testdb-postgresql.h b/test/testdb-postgresql.h
index fc73d2a..c1cd14a 100644
--- a/test/testdb-postgresql.h
+++ b/test/testdb-postgresql.h
@@ -8,6 +8,7 @@ namespace MyGrate {
 		class PqConnDB : public Output::Pq::PqConn {
 		public:
 			PqConnDB();
+			PqConnDB(const std::string & schemaFile);
 			~PqConnDB();
 
 			Output::Pq::PqConn mock() const;
-- 
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