54f660764e
Avoid encoding test-data as strings, since this exceeds MSVC limits on string literals, and tests don’t need to be relocatable anyway, so we can just hard-code the source location into config.h
120 lines
4 KiB
C++
120 lines
4 KiB
C++
// Unit-test API for nasal
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//
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// There are two versions of this module, and we load one or the other
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// depending on if we're running the test_suite (using CppUnit) or
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// the normal simulator. The logic is that aircraft-developers and
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// people hacking Nasal likely don't have a way to run the test-suite,
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// whereas core-developers and Jenksin want a way to run all tests
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// through the standard CppUnit mechanim. So we have a consistent
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// Nasal API, but different implement in fgfs_test_suite vs
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// normal fgfs executable.
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//
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// Copyright (C) 2020 James Turner
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#include "config.h"
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#include <Main/globals.hxx>
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#include <Main/util.hxx>
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#include <cppunit/TestAssert.h>
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#include <simgear/nasal/cppbind/from_nasal.hxx>
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#include <simgear/nasal/cppbind/to_nasal.hxx>
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#include <simgear/nasal/cppbind/NasalHash.hxx>
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#include <simgear/nasal/cppbind/Ghost.hxx>
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static CppUnit::SourceLine nasalSourceLine(const nasal::CallContext& ctx)
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{
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const string fileName = ctx.from_nasal<string>(naGetSourceFile(ctx.c_ctx(), 0));
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const int lineNumber = naGetLine(ctx.c_ctx(), 0);
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return CppUnit::SourceLine(fileName, lineNumber);
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}
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static naRef f_assert(const nasal::CallContext& ctx )
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{
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bool pass = ctx.requireArg<bool>(0);
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auto msg = ctx.getArg<string>(1, "assert failed:");
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CppUnit::Asserter::failIf(!pass, "assertion failed:" + msg, nasalSourceLine(ctx));
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if (!pass) {
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ctx.runtimeError(msg.c_str());
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}
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return naNil();
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}
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static naRef f_fail(const nasal::CallContext& ctx )
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{
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auto msg = ctx.getArg<string>(0);
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CppUnit::Asserter::fail("assertion failed:" + msg,
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nasalSourceLine(ctx));
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ctx.runtimeError("Test failed: %s", msg.c_str());
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return naNil();
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}
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static naRef f_assert_equal(const nasal::CallContext& ctx )
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{
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naRef argA = ctx.requireArg<naRef>(0);
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naRef argB = ctx.requireArg<naRef>(1);
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auto msg = ctx.getArg<string>(2, "assert_equal failed");
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bool same = naEqual(argA, argB);
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if (!same) {
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string aStr = ctx.from_nasal<string>(argA);
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string bStr = ctx.from_nasal<string>(argB);
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msg += "; expected:" + aStr + ", actual:" + bStr;
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CppUnit::Asserter::fail(msg, nasalSourceLine(ctx));
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ctx.runtimeError(msg.c_str());
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}
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return naNil();
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}
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static naRef f_assert_doubles_equal(const nasal::CallContext& ctx )
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{
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double argA = ctx.requireArg<double>(0);
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double argB = ctx.requireArg<double>(1);
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double tolerance = ctx.requireArg<double>(2);
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auto msg = ctx.getArg<string>(3, "assert_doubles_equal failed");
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const bool same = fabs(argA - argB) < tolerance;
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if (!same) {
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msg += "; expected:" + std::to_string(argA) + ", actual:" + std::to_string(argB);
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CppUnit::Asserter::fail(msg, nasalSourceLine(ctx));
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ctx.runtimeError(msg.c_str());
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}
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return naNil();
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}
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//------------------------------------------------------------------------------
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naRef initNasalUnitTestCppUnit(naRef nasalGlobals, naContext c)
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{
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nasal::Hash globals_module(nasalGlobals, c),
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unitTest = globals_module.createHash("unitTest");
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unitTest.set("assert", f_assert);
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unitTest.set("fail", f_fail);
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unitTest.set("assert_equal", f_assert_equal);
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unitTest.set("assert_doubles_equal", f_assert_doubles_equal);
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return naNil();
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}
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