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/*************************************************************************
** DvisvgmSpecialTest.cpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
** Copyright (C) 2005-2022 Martin Gieseking <martin.gieseking@uos.de> **
** **
** 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 3 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 General Public License for more details. **
** **
** You should have received a copy of the GNU General Public License **
** along with this program; if not, see <http://www.gnu.org/licenses/>. **
*************************************************************************/
#include <gtest/gtest.h>
#include <array>
#include <sstream>
#include "DvisvgmSpecialHandler.hpp"
#include "SpecialActions.hpp"
#include "XMLNode.hpp"
using namespace std;
class MyDvisvgmSpecialHandler : public DvisvgmSpecialHandler {
public:
void finishPreprocessing () {dviPreprocessingFinished();}
void finishPage () {dviEndPage(0, _actions);}
protected:
EmptySpecialActions _actions;
};
class DvisvgmSpecialTest : public ::testing::Test {
protected:
class ActionsRecorder : public EmptySpecialActions {
public:
void embed (const BoundingBox &bb) override {bbox.embed(bb);}
double getX () const override {return -42;}
double getY () const override {return 14;}
bool defsEquals (const string &str) const {return defsString() == str;}
bool pageEquals (const string &str) const {return pageString() == str;}
bool bboxEquals (const string &str) const {return bbox.toSVGViewBox() == str;}
string bboxString () const {return bbox.toSVGViewBox();}
string defsString () const {return toString(svgTree().defsNode());}
string pageString () const {return toString(svgTree().pageNode());}
void clear () {
SpecialActions::svgTree().reset();
SpecialActions::svgTree().newPage(1);
bbox = BoundingBox(0, 0, 0, 0);
}
protected:
string toString (const XMLNode *node) const {
ostringstream oss;
if (node)
node->write(oss);
return oss.str();
}
private:
BoundingBox bbox;
};
void SetUp () override {
recorder.clear();
XMLElement::WRITE_NEWLINES = false;
}
protected:
MyDvisvgmSpecialHandler handler;
ActionsRecorder recorder;
};
TEST_F(DvisvgmSpecialTest, basic) {
EXPECT_EQ(handler.name(), "dvisvgm");
}
TEST_F(DvisvgmSpecialTest, rawText) {
istringstream iss("raw first{?nl}{?x},{?y}");
handler.process("", iss, recorder);
EXPECT_TRUE(recorder.defsEquals(""));
EXPECT_TRUE(recorder.pageEquals("<g id='page1'>first\n-42,14</g>")) << recorder.pageString();
iss.clear(); iss.str("raw \t ;{?(-x+2*y-5)}{?(-y+2*x-5)}second {?bbox dummy} \t");
handler.process("", iss, recorder);
EXPECT_TRUE(recorder.defsEquals(""));
EXPECT_TRUE(recorder.pageEquals("<g id='page1'>first\n-42,14;65-103second 0 0 0 0</g>")) << recorder.pageString();
}
TEST_F(DvisvgmSpecialTest, rawPage1) {
istringstream iss("raw <elem attr1='1' attr2='20'>text1<inner><text2</inner>text3</elem>");
handler.process("", iss, recorder);
EXPECT_TRUE(recorder.defsEquals(""));
EXPECT_TRUE(recorder.pageEquals("<g id='page1'><elem attr1='1' attr2='20'>text1<inner><text2</inner>text3</elem></g>")) << recorder.pageString();
}
TEST_F(DvisvgmSpecialTest, rawPage2) {
istringstream iss("raw <elem attr1='1' attr2='20'>text1");
handler.process("", iss, recorder);
iss.clear(); iss.str("raw text2<inner>text3</inner><my:empty-elem/>text4");
handler.process("", iss, recorder);
iss.clear(); iss.str("raw </elem>");
handler.process("", iss, recorder);
EXPECT_TRUE(recorder.defsEquals(""));
EXPECT_TRUE(recorder.pageEquals("<g id='page1'><elem attr1='1' attr2='20'>text1text2<inner>text3</inner><my:empty-elem/>text4</elem></g>")) << recorder.pageString();
}
TEST_F(DvisvgmSpecialTest, rawPage3) {
istringstream iss("raw <elem attr1='1' attr2=");
handler.process("", iss, recorder);
iss.clear(); iss.str("raw '20'>text2<inner>text3</inner>text4</e");
handler.process("", iss, recorder);
iss.clear(); iss.str("raw lem>");
handler.process("", iss, recorder);
EXPECT_TRUE(recorder.defsEquals(""));
EXPECT_TRUE(recorder.pageEquals("<g id='page1'><elem attr1='1' attr2='20'>text2<inner>text3</inner>text4</elem></g>")) << recorder.pageString();
}
TEST_F(DvisvgmSpecialTest, rawDefs1) {
istringstream iss("rawdef <elem attr1='1' attr2='20'>text1<inner><text2</inner>text3</elem>");
handler.process("", iss, recorder);
EXPECT_TRUE(recorder.defsEquals("<defs><elem attr1='1' attr2='20'>text1<inner><text2</inner>text3</elem></defs>")) << recorder.defsString();
EXPECT_TRUE(recorder.pageEquals("<g id='page1'/>"));
}
TEST_F(DvisvgmSpecialTest, rawDefs2) {
istringstream iss("rawdef <elem attr1='1' attr2='20'>text1");
handler.process("", iss, recorder);
iss.clear(); iss.str("rawdef text2<inner>text3</inner>text4");
handler.process("", iss, recorder);
iss.clear(); iss.str("rawdef </elem>");
handler.process("", iss, recorder);
EXPECT_TRUE(recorder.defsEquals("<defs><elem attr1='1' attr2='20'>text1text2<inner>text3</inner>text4</elem></defs>"));
EXPECT_TRUE(recorder.pageEquals("<g id='page1'/>"));
}
TEST_F(DvisvgmSpecialTest, rawDefs3) {
istringstream iss("rawdef <elem attr1='1' a");
handler.process("", iss, recorder);
iss.clear(); iss.str("rawdef ttr2='20'>text2<inner>text3</in");
handler.process("", iss, recorder);
iss.clear(); iss.str("rawdef ner>text4</elem>");
handler.process("", iss, recorder);
EXPECT_TRUE(recorder.defsEquals("<defs><elem attr1='1' attr2='20'>text2<inner>text3</inner>text4</elem></defs>"));
EXPECT_TRUE(recorder.pageEquals("<g id='page1'/>"));
}
TEST_F(DvisvgmSpecialTest, rawCDATA) {
istringstream iss("raw <outer>text1<![CDATA[1 < 2 <!--test-->]]>text2</outer>");
handler.process("", iss, recorder);
EXPECT_TRUE(recorder.defsEquals(""));
EXPECT_TRUE(recorder.pageEquals("<g id='page1'><outer>text1<![CDATA[1 < 2 <!--test-->]]>text2</outer></g>")) << recorder.pageString();
}
TEST_F(DvisvgmSpecialTest, rawComments) {
istringstream iss("raw <first/><second><!-- 1 < 2 ->--->text</second>");
handler.process("", iss, recorder);
EXPECT_TRUE(recorder.defsEquals(""));
EXPECT_TRUE(recorder.pageEquals("<g id='page1'><first/><second><!-- 1 < 2 ->--->text</second></g>")) << recorder.pageString();
}
TEST_F(DvisvgmSpecialTest, rawPI) {
istringstream iss("raw <first/><?pi1 whatever?><second><?pi2 whatever?></second>");
handler.process("", iss, recorder);
EXPECT_TRUE(recorder.defsEquals(""));
EXPECT_TRUE(recorder.pageEquals("<g id='page1'><first/><?pi1 whatever?><second><?pi2 whatever?></second></g>")) << recorder.pageString();
}
TEST_F(DvisvgmSpecialTest, rawPageFail) {
istringstream iss("raw <elem attr1='1' attr2='20'");
EXPECT_THROW({handler.process("", iss, recorder); handler.finishPage();}, SpecialException); // incomplete opening tag
iss.clear(); iss.str("raw </elem>");
EXPECT_THROW(handler.process("", iss, recorder), SpecialException); // spurious closing tag
iss.clear(); iss.str("raw <open>text</close>");
EXPECT_THROW(handler.process("", iss, recorder), SpecialException); // mismatching tags
}
TEST_F(DvisvgmSpecialTest, rawDefsFail) {
istringstream iss("rawdef <elem attr1='1' attr2='20'");
EXPECT_THROW({handler.process("", iss, recorder); handler.finishPage();}, SpecialException); // incomplete opening tag
iss.clear(); iss.str("rawdef </elem>");
EXPECT_THROW(handler.process("", iss, recorder), SpecialException); // spurious closing tag
iss.clear(); iss.str("rawdef <open>text</close>");
EXPECT_THROW(handler.process("", iss, recorder), SpecialException); // mismatching tags
}
TEST_F(DvisvgmSpecialTest, rawdef) {
std::istringstream iss("rawdef first");
handler.process("", iss, recorder);
EXPECT_TRUE(recorder.defsEquals("<defs>first</defs>")) << recorder.defsString();
EXPECT_TRUE(recorder.pageEquals("<g id='page1'/>"));
iss.clear(); iss.str("rawdef \t <second></second> \t");
handler.process("", iss, recorder);
EXPECT_TRUE(recorder.defsEquals("<defs>first<second/></defs>"));
EXPECT_TRUE(recorder.pageEquals("<g id='page1'/>"));
}
TEST_F(DvisvgmSpecialTest, pattern1) {
const auto cmds = {
"rawset pat1",
"raw text1",
"raw <elem>text2</elem>",
"endrawset",
"raw first",
"rawput pat1",
"rawput pat1",
};
for (const char *cmd : cmds) {
std::istringstream iss(cmd);
handler.preprocess("", iss, recorder);
}
handler.finishPreprocessing();
for (const char *cmd : cmds) {
std::istringstream iss(cmd);
handler.process("", iss, recorder);
}
handler.finishPage();
EXPECT_TRUE(recorder.defsEquals(""));
EXPECT_TRUE(recorder.pageEquals("<g id='page1'>firsttext1<elem>text2</elem>text1<elem>text2</elem></g>")) << recorder.pageString();
}
TEST_F(DvisvgmSpecialTest, pattern2) {
const auto cmds = {
"rawset pat2",
"rawdef text1",
"rawdef <elem>text2</elem>",
"endrawset",
"rawdef first",
"rawput pat2",
"rawput pat2",
};
for (const char *cmd : cmds) {
std::istringstream iss(cmd);
handler.preprocess("", iss, recorder);
}
handler.finishPreprocessing();
for (const char *cmd : cmds) {
std::istringstream iss(cmd);
handler.process("", iss, recorder);
}
handler.finishPage();
EXPECT_TRUE(recorder.defsEquals("<defs>firsttext1<elem>text2</elem></defs>")) << recorder.defsString();
EXPECT_TRUE(recorder.pageEquals("<g id='page1'/>"));
}
TEST_F(DvisvgmSpecialTest, pattern3) {
const auto cmds = {
"rawset pat3",
"raw <elem first='a' second='x\"y\"'>text<empty/></elem>",
"rawdef <a/>text2",
"endrawset",
"rawdef first",
"raw second",
"rawput pat3",
"rawput pat3",
};
for (const char *cmd : cmds) {
std::istringstream iss(cmd);
handler.preprocess("", iss, recorder);
}
handler.finishPreprocessing();
for (const char *cmd : cmds) {
std::istringstream iss(cmd);
handler.process("", iss, recorder);
}
EXPECT_TRUE(recorder.defsEquals("<defs>first<a/>text2</defs>"));
EXPECT_TRUE(recorder.pageEquals("<g id='page1'>second<elem first='a' second='x\"y\"'>text<empty/></elem><elem first='a' second='x\"y\"'>text<empty/></elem></g>")) << recorder.pageString();
handler.finishPage();
}
TEST_F(DvisvgmSpecialTest, fail1) {
std::istringstream iss("rawset"); // pattern name missing
EXPECT_THROW(handler.preprocess("", iss, recorder), SpecialException);
handler.finishPreprocessing();
}
TEST_F(DvisvgmSpecialTest, fail2) {
std::istringstream iss("rawset pat"); // endrawset missing
handler.preprocess("", iss, recorder);
EXPECT_THROW(handler.finishPreprocessing(), SpecialException);
}
TEST_F(DvisvgmSpecialTest, processImg) {
std::istringstream iss("img 72.27 72.27 test.png");
handler.process("", iss, recorder);
EXPECT_TRUE(recorder.defsEquals(""));
EXPECT_TRUE(recorder.pageEquals("<g id='page1'><image x='-42' y='14' width='72' height='72' xlink:href='test.png'/></g>")) << recorder.pageString();
recorder.clear();
iss.clear();
iss.str("img 10bp 20bp test2.png");
handler.process("", iss, recorder);
EXPECT_TRUE(recorder.pageEquals("<g id='page1'><image x='-42' y='14' width='10' height='20' xlink:href='test2.png'/></g>")) << recorder.pageString();
}
TEST_F(DvisvgmSpecialTest, fail3) {
std::istringstream iss("img 10 20xy test.png"); // unknown unit
EXPECT_THROW(handler.process("", iss, recorder), SpecialException);
}
TEST_F(DvisvgmSpecialTest, processBBox) {
std::istringstream iss("bbox abs 0 0 72.27 72.27");
handler.process("", iss, recorder);
EXPECT_TRUE(recorder.defsEquals(""));
EXPECT_TRUE(recorder.pageEquals("<g id='page1'/>"));
EXPECT_TRUE(recorder.bboxEquals("0 0 72 72"));
recorder.clear();
iss.clear();
iss.str("bbox 72.27 72.27");
handler.process("", iss, recorder);
EXPECT_TRUE(recorder.bboxEquals("-42 -58 72 72"));
recorder.clear();
iss.clear();
iss.str("bbox 72bp 72bp");
handler.process("", iss, recorder);
EXPECT_TRUE(recorder.bboxEquals("-42 -58 72 72"));
recorder.clear();
iss.clear();
iss.str("bbox rel 72.27 72.27");
handler.process("", iss, recorder);
EXPECT_TRUE(recorder.bboxEquals("-42 -58 72 72"));
recorder.clear();
iss.clear();
iss.str("bbox new name");
handler.process("", iss, recorder);
EXPECT_TRUE(recorder.bboxEquals("0 0 0 0"));
}
TEST_F(DvisvgmSpecialTest, fail4) {
std::istringstream iss("bbox abs 0 0 72.27xx 72.27"); // unknown unit
EXPECT_THROW(handler.process("", iss, recorder), SpecialException);
}
|
