Added static_assert tests for update set/dynamic_set

include/sqlpp11/update_list.h

@@ -268,9 +268,10 @@ namespace sqlpp
 
       template <typename... Assignments>
       auto dynamic_set(Assignments... assignments) const
-          -> _new_statement_t<check_update_dynamic_set_t<Assignments...>, update_list_t<_database_t, Assignments...>>
+          -> _new_statement_t<check_update_dynamic_set_t<_database_t, Assignments...>,
+                              update_list_t<_database_t, Assignments...>>
       {
-        using Check = check_update_dynamic_set_t<Assignments...>;
+        using Check = check_update_dynamic_set_t<_database_t, Assignments...>;
         Check{}._();
 
         return _set_impl<_database_t>(Check{}, assignments...);

test_static_asserts/CMakeLists.txt

@@ -33,6 +33,7 @@ test_compile(case)
 test_compile(from)
 test_compile(join)
 test_compile(where)
+test_compile(update_list)
 test_compile(having)
 test_compile(insert)
 test_compile(in)

test_static_asserts/update_list.cpp

@@ -0,0 +1,140 @@
+/*
+ * Copyright (c) 2016-2016, Roland Bock
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <iostream>
+#include "MockDb.h"
+#include "Sample.h"
+#include <sqlpp11/sqlpp11.h>
+
+namespace
+{
+  constexpr auto t = test::TabBar{};
+  constexpr auto f = test::TabFoo{};
+
+  template <typename T>
+  void print_type_on_error(std::true_type)
+  {
+  }
+
+  template <typename T>
+  void print_type_on_error(std::false_type)
+  {
+    T::_print_me_;
+  }
+
+  template <typename Assert, typename... Expressions>
+  void update_set_static_check(const Expressions&... expressions)
+  {
+    using CheckResult = sqlpp::check_update_static_set_t<Expressions...>;
+    using ExpectedCheckResult = std::is_same<CheckResult, Assert>;
+    print_type_on_error<CheckResult>(ExpectedCheckResult{});
+    static_assert(ExpectedCheckResult::value, "Unexpected check result");
+
+    using ReturnType = decltype(update(t).set(expressions...));
+    using ExpectedReturnType =
+        sqlpp::logic::all_t<Assert::value xor std::is_same<ReturnType, sqlpp::bad_statement>::value>;
+    print_type_on_error<ReturnType>(ExpectedReturnType{});
+    static_assert(ExpectedReturnType::value, "Unexpected return type");
+  }
+
+  template <typename Assert, typename... Expressions>
+  void update_set_dynamic_check(const Expressions&... expressions)
+  {
+    static auto db = MockDb{};
+    using CheckResult = sqlpp::check_update_dynamic_set_t<decltype(db), Expressions...>;
+    using ExpectedCheckResult = std::is_same<CheckResult, Assert>;
+    print_type_on_error<CheckResult>(ExpectedCheckResult{});
+    static_assert(ExpectedCheckResult::value, "Unexpected check result");
+
+    using ReturnType = decltype(dynamic_update(db, t).dynamic_set(expressions...));
+    using ExpectedReturnType =
+        sqlpp::logic::all_t<Assert::value xor std::is_same<ReturnType, sqlpp::bad_statement>::value>;
+    print_type_on_error<ReturnType>(ExpectedReturnType{});
+    static_assert(ExpectedReturnType::value, "Unexpected return type");
+  }
+
+  void static_update_set()
+  {
+    // OK
+    update_set_static_check<sqlpp::consistent_t>(t.gamma = true);
+    update_set_static_check<sqlpp::consistent_t>(t.gamma = true, t.beta = "");
+
+    // Try to update nothing
+    update_set_static_check<sqlpp::assert_update_set_count_args_t>();
+
+    // Try condition as assignment
+    update_set_static_check<sqlpp::assert_update_set_assignments_t>(t.gamma == true);
+
+    // Try duplicate columns
+    update_set_static_check<sqlpp::assert_update_set_no_duplicates_t>(t.gamma = true, t.gamma = false);
+    update_set_static_check<sqlpp::assert_update_set_no_duplicates_t>(t.gamma = true, t.beta = "", t.gamma = false);
+
+    // Try to update prohibited columns
+    update_set_static_check<sqlpp::assert_update_set_allowed_t>(t.alpha = 42);
+
+    // Try to update multiple tables at once
+    update_set_static_check<sqlpp::assert_update_set_single_table_t>(t.gamma = true, f.omega = 7);
+  }
+
+  void dynamic_update_set()
+  {
+    // OK
+    update_set_dynamic_check<sqlpp::consistent_t>(t.gamma = true);
+    update_set_dynamic_check<sqlpp::consistent_t>(t.gamma = true, t.beta = "");
+
+    // Try to update nothing
+    update_set_dynamic_check<sqlpp::consistent_t>();
+
+    // Try condition as assignment
+    update_set_dynamic_check<sqlpp::assert_update_set_assignments_t>(t.gamma == true);
+
+    // Try duplicate columns
+    update_set_dynamic_check<sqlpp::assert_update_set_no_duplicates_t>(t.gamma = true, t.gamma = false);
+    update_set_dynamic_check<sqlpp::assert_update_set_no_duplicates_t>(t.gamma = true, t.beta = "", t.gamma = false);
+
+    // Try to update prohibited columns
+    update_set_dynamic_check<sqlpp::assert_update_set_allowed_t>(t.alpha = 42);
+
+    // Try to update multiple tables at once
+    update_set_dynamic_check<sqlpp::assert_update_set_single_table_t>(t.gamma = true, f.omega = 7);
+
+    // Try dynamic_set on a non-dynamic update
+    using CheckResult = sqlpp::check_update_dynamic_set_t<void, sqlpp::boolean_operand>;
+    using ExpectedCheckResult = std::is_same<CheckResult, sqlpp::assert_update_dynamic_set_statement_dynamic_t>;
+    print_type_on_error<CheckResult>(ExpectedCheckResult{});
+    static_assert(ExpectedCheckResult::value, "Unexpected check result");
+
+    using ReturnType = decltype(update(t).dynamic_set());
+    using ExpectedReturnType = std::is_same<ReturnType, sqlpp::bad_statement>;
+    print_type_on_error<ReturnType>(ExpectedReturnType{});
+    static_assert(ExpectedReturnType::value, "Unexpected return type");
+  }
+}
+
+int main(int, char* [])
+{
+  static_update_set();
+  dynamic_update_set();
+}