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plasp/tests/TestSASParser.cpp

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#include <gtest/gtest.h>
#include <fstream>
#include <iostream>
#include <sstream>
#include <stdexcept>
#include <plasp/sas/Description.h>
////////////////////////////////////////////////////////////////////////////////////////////////////
class SASParserTests : public ::testing::Test
{
protected:
SASParserTests()
: m_blocksworldTestFile(readFile("data/blocksworld.sas")),
m_cavedivingTestFile(readFile("data/cavediving.sas")),
m_freecellTestFile(readFile("data/freecell.sas")),
m_philosophersTestFile(readFile("data/philosophers.sas"))
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{
}
static std::stringstream readFile(const std::string &path)
{
std::ifstream fileStream(path, std::ios::in);
std::stringstream outputStream;
if (!fileStream.is_open())
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throw std::runtime_error("Could not open file “" + path + "");
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outputStream << fileStream.rdbuf();
return outputStream;
}
std::stringstream m_blocksworldTestFile;
std::stringstream m_cavedivingTestFile;
std::stringstream m_freecellTestFile;
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std::stringstream m_philosophersTestFile;
};
////////////////////////////////////////////////////////////////////////////////////////////////////
TEST_F(SASParserTests, ParseValidSASFile)
{
try
{
const auto description = plasp::sas::Description::fromStream(m_philosophersTestFile);
ASSERT_FALSE(description.usesActionCosts());
ASSERT_EQ(description.variables().size(), 37u);
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ASSERT_EQ(description.variables()[0].axiomLayer(), -1);
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ASSERT_EQ(description.variables()[0].values()[0].sign(), plasp::sas::Value::Sign::Positive);
ASSERT_EQ(description.variables()[0].values()[0].name(), "activate(philosopher-0, forks--pid-rfork)");
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ASSERT_EQ(description.variables()[36].axiomLayer(), -1);
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ASSERT_EQ(description.variables()[36].values()[1].sign(), plasp::sas::Value::Sign::Negative);
ASSERT_EQ(description.variables()[36].values()[1].name(), "queue-tail-msg(forks-1-, fork)");
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ASSERT_EQ(description.mutexGroups().size(), 8u);
ASSERT_EQ(description.mutexGroups()[0].facts().size(), 9u);
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ASSERT_EQ(&description.mutexGroups()[0].facts()[0].value(), &description.variables()[0].values()[0]);
ASSERT_EQ(description.mutexGroups()[7].facts().size(), 2u);
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ASSERT_EQ(&description.mutexGroups()[7].facts()[1].value(), &description.variables()[34].values()[1]);
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ASSERT_EQ(description.initialState().facts().size(), 37u);
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ASSERT_EQ(&description.initialState().facts()[0].value(), &description.variables()[0].values()[8]);
ASSERT_EQ(&description.initialState().facts()[36].value(), &description.variables()[36].values()[1]);
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ASSERT_EQ(description.goal().facts().size(), 2u);
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ASSERT_EQ(&description.goal().facts()[0].value(), &description.variables()[6].values()[0]);
ASSERT_EQ(&description.goal().facts()[1].value(), &description.variables()[7].values()[0]);
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ASSERT_EQ(description.operators().size(), 34u);
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ASSERT_EQ(description.operators()[0].predicate().name(), "activate-trans");
ASSERT_EQ(description.operators()[0].predicate().arguments().size(), 5u);
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ASSERT_EQ(description.operators()[0].predicate().arguments()[0], "philosopher-0");
ASSERT_EQ(description.operators()[0].predicate().arguments()[4], "state-3");
ASSERT_EQ(description.operators()[0].preconditions().size(), 3u);
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ASSERT_EQ(&description.operators()[0].preconditions()[0].value(), &description.variables()[4].values()[4]);
ASSERT_EQ(&description.operators()[0].preconditions()[1].value(), &description.variables()[16].values()[1]);
ASSERT_EQ(&description.operators()[0].preconditions()[2].value(), &description.variables()[0].values()[8]);
ASSERT_EQ(description.operators()[0].effects().size(), 1u);
ASSERT_EQ(description.operators()[0].effects()[0].conditions().size(), 0u);
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ASSERT_EQ(&description.operators()[0].effects()[0].postcondition().value(), &description.variables()[0].values()[0]);
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ASSERT_EQ(description.operators()[33].predicate().name(), "queue-write");
ASSERT_EQ(description.operators()[33].predicate().arguments().size(), 4u);
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ASSERT_EQ(description.operators()[33].predicate().arguments()[0], "philosopher-1");
ASSERT_EQ(description.operators()[33].predicate().arguments()[3], "fork");
ASSERT_EQ(description.operators()[33].preconditions().size(), 2u);
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ASSERT_EQ(&description.operators()[33].preconditions()[0].value(), &description.variables()[1].values()[3]);
ASSERT_EQ(&description.operators()[33].preconditions()[1].value(), &description.variables()[2].values()[2]);
ASSERT_EQ(description.operators()[33].effects().size(), 3u);
ASSERT_EQ(description.operators()[33].effects()[0].conditions().size(), 0u);
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ASSERT_EQ(&description.operators()[33].effects()[0].postcondition().value(), &description.variables()[1].values()[7]);
ASSERT_EQ(&description.operators()[33].effects()[2].postcondition().value(), &description.variables()[35].values()[0]);
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ASSERT_EQ(description.axiomRules().size(), 33u);
ASSERT_EQ(description.axiomRules()[0].conditions().size(), 4u);
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ASSERT_EQ(&description.axiomRules()[0].conditions()[0].value(), &description.variables()[0].values()[0]);
ASSERT_EQ(&description.axiomRules()[0].conditions()[2].value(), &description.variables()[27].values()[0]);
ASSERT_EQ(&description.axiomRules()[0].conditions()[3].value(), &description.variables()[8].values()[1]);
ASSERT_EQ(&description.axiomRules()[0].postcondition().value(), &description.variables()[8].values()[0]);
ASSERT_EQ(description.axiomRules()[32].conditions().size(), 2u);
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ASSERT_EQ(&description.axiomRules()[32].conditions()[0].value(), &description.variables()[15].values()[0]);
ASSERT_EQ(&description.axiomRules()[32].conditions()[1].value(), &description.variables()[25].values()[0]);
ASSERT_EQ(&description.axiomRules()[32].postcondition().value(), &description.variables()[25].values()[1]);
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}
catch (const std::exception &e)
{
FAIL() << e.what();
}
// TODO: add whitespace test
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}
////////////////////////////////////////////////////////////////////////////////////////////////////
TEST_F(SASParserTests, RemoveTrailingParentheses)
{
try
{
const auto description = plasp::sas::Description::fromStream(m_blocksworldTestFile);
ASSERT_EQ(description.variables()[4].values()[0].name(), "handempty");
ASSERT_EQ(description.variables()[5].values()[0].name(), "holding(a)");
}
catch (const std::exception &e)
{
FAIL() << e.what();
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////
TEST_F(SASParserTests, ParseNoneValue)
{
try
{
const auto description = plasp::sas::Description::fromStream(m_freecellTestFile);
// TODO: compare by identity, not value
ASSERT_EQ(description.variables()[0].values()[3], plasp::sas::Value::None);
ASSERT_EQ(description.variables()[5].values()[6], plasp::sas::Value::None);
}
catch (const std::exception &e)
{
FAIL() << e.what();
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////
TEST_F(SASParserTests, ParseRequirements)
{
try
{
const auto description = plasp::sas::Description::fromStream(m_cavedivingTestFile);
ASSERT_TRUE(description.usesActionCosts());
ASSERT_TRUE(description.usesConditionalEffects());
ASSERT_FALSE(description.usesAxiomRules());
ASSERT_EQ(description.operators().size(), 496u);
ASSERT_EQ(description.operators()[0].costs(), 1u);
ASSERT_EQ(description.operators()[172].costs(), 10u);
ASSERT_EQ(description.operators()[173].costs(), 63u);
ASSERT_EQ(description.operators()[172].effects().size(), 3u);
ASSERT_EQ(description.operators()[172].effects()[1].conditions().size(), 1u);
ASSERT_EQ(&description.operators()[172].effects()[1].conditions()[0].value(), &description.variables()[1].values()[4]);
}
catch (const std::exception &e)
{
FAIL() << e.what();
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////
TEST_F(SASParserTests, CheckIssues)
{
// Check issue where unexpected whitespaces in SAS files led to a parsing error
ASSERT_NO_THROW(plasp::sas::Description::fromFile("data/issues/issue-6.sas"));
}