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/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* VariableInterpolatorTest.cpp
* Test fixture for the ActionInterval class.
* Copyright (C) 2011 Simon Newton
*/
#include <cppunit/extensions/HelperMacros.h>
#include <ola/Logging.h>
#include <string>
#include "tools/ola_trigger/Context.h"
#include "tools/ola_trigger/VariableInterpolator.h"
#include "ola/testing/TestUtils.h"
using std::string;
class VariableInterpolatorTest: public CppUnit::TestFixture {
CPPUNIT_TEST_SUITE(VariableInterpolatorTest);
CPPUNIT_TEST(testNoInterpolation);
CPPUNIT_TEST(testSimpleInterpolation);
CPPUNIT_TEST(testNestedInterpolation);
CPPUNIT_TEST(testEscaping);
CPPUNIT_TEST(testMissingVariables);
CPPUNIT_TEST_SUITE_END();
public:
void testNoInterpolation();
void testSimpleInterpolation();
void testNestedInterpolation();
void testEscaping();
void testMissingVariables();
void setUp() {
ola::InitLogging(ola::OLA_LOG_INFO, ola::OLA_LOG_STDERR);
}
};
CPPUNIT_TEST_SUITE_REGISTRATION(VariableInterpolatorTest);
/**
* These strings don't require interpolation.
*/
void VariableInterpolatorTest::testNoInterpolation() {
Context context;
string result;
OLA_ASSERT(InterpolateVariables("", &result, context));
OLA_ASSERT_EQ(string(""), result);
OLA_ASSERT(InterpolateVariables("foo bar baz", &result, context));
OLA_ASSERT_EQ(string("foo bar baz"), result);
OLA_ASSERT(InterpolateVariables("{foo}", &result, context));
OLA_ASSERT_EQ(string("{foo}"), result);
}
/**
* Test the simple case.
*/
void VariableInterpolatorTest::testSimpleInterpolation() {
Context context;
context.Update("one", "foo");
context.Update("two", "bar");
string result;
OLA_ASSERT(InterpolateVariables("${one}", &result, context));
OLA_ASSERT_EQ(string("foo"), result);
OLA_ASSERT(InterpolateVariables("foo ${two} baz", &result, context));
OLA_ASSERT_EQ(string("foo bar baz"), result);
OLA_ASSERT(InterpolateVariables("${one} ${two}", &result, context));
OLA_ASSERT_EQ(string("foo bar"), result);
OLA_ASSERT(InterpolateVariables("a${one}b${two}c", &result, context));
OLA_ASSERT_EQ(string("afoobbarc"), result);
}
/**
* Test nested interpolation works. As we go right-to-left, we can nest
* variables.
*/
void VariableInterpolatorTest::testNestedInterpolation() {
Context context;
context.Update("one", "1");
context.Update("slot_1", "bar");
string result;
OLA_ASSERT(InterpolateVariables("${slot_${one}}", &result, context));
OLA_ASSERT_EQ(string("bar"), result);
}
/**
* Test escaping works
*/
void VariableInterpolatorTest::testEscaping() {
Context context;
context.Update("one", "foo");
string result;
OLA_ASSERT(InterpolateVariables("\\${one\\}", &result, context));
OLA_ASSERT_EQ(string("${one}"), result);
OLA_ASSERT(InterpolateVariables("${one} \\${one\\}", &result, context));
OLA_ASSERT_EQ(string("foo ${one}"), result);
}
/**
* Test for missing variables.
*/
void VariableInterpolatorTest::testMissingVariables() {
Context context;
string result;
OLA_ASSERT_FALSE(InterpolateVariables("${one}", &result, context));
OLA_ASSERT_FALSE(InterpolateVariables("${}", &result, context));
}
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