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429 lines (367 loc) · 14.4 KB
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//-----------------------------------------------------------------------------
// Our harness for running test cases, and reusable checks.
//
// Copyright 2016 whitequark
//-----------------------------------------------------------------------------
#include <chrono>
#include <cmath>
#include <cstdio>
#include <random>
#include <regex>
#include <cairo.h>
#include "solvespace.h"
#include "harness.h"
#if defined(WIN32)
# include <windows.h>
#else
# include <unistd.h>
#endif
namespace SolveSpace {
namespace Platform {
// These are defined in guinone.cpp, and aren't exposed in solvespace.h.
extern std::vector<Platform::Path> fontFiles;
}
}
#ifdef TEST_BUILD_ON_WINDOWS
static const char *VALID_BUILD_PATH_SEPS = "/\\";
static char BUILD_PATH_SEP = '\\';
#else
static const char *VALID_BUILD_PATH_SEPS = "/";
static char BUILD_PATH_SEP = '/';
#endif
static std::string BuildRoot() {
static std::string rootDir;
if(!rootDir.empty()) return rootDir;
rootDir = __FILE__;
rootDir.erase(rootDir.find_last_of(VALID_BUILD_PATH_SEPS) + 1);
return rootDir;
}
static Platform::Path HostRoot() {
static Platform::Path rootDir;
if(!rootDir.IsEmpty()) return rootDir;
// No especially good way to do this, so let's assume somewhere up from
// the current directory there's our repository, with CMakeLists.txt, and
// pivot from there.
rootDir = Platform::Path::CurrentDirectory();
// We're never more than four levels deep.
for(size_t i = 0; i < 4; i++) {
FILE *f = OpenFile(rootDir.Join("CMakeLists.txt"), "r");
if(f) {
fclose(f);
rootDir = rootDir.Join("test");
return rootDir;
}
rootDir = rootDir.Parent();
}
ssassert(false, "Couldn't locate repository root");
}
enum class Color {
Red,
Green,
DarkGreen
};
static std::string Colorize(Color color, std::string input) {
#if !defined(WIN32)
if(isatty(fileno(stdout))) {
switch(color) {
case Color::Red:
return "\e[1;31m" + input + "\e[0m";
case Color::Green:
return "\e[1;32m" + input + "\e[0m";
case Color::DarkGreen:
return "\e[36m" + input + "\e[0m";
}
}
#endif
return input;
}
// Normalizes a savefile. Different platforms have slightly different floating-point
// behavior, so if we want to compare savefiles byte-by-byte, we need to do something
// to get rid of irrelevant differences in LSB.
static std::string PrepareSavefile(std::string data) {
// Round everything to 2**30 ~ 1e9
const double precision = pow(2, 30);
size_t lineBegin = 0;
while(lineBegin < data.length()) {
size_t nextLineBegin = data.find('\n', lineBegin);
if(nextLineBegin == std::string::npos) {
nextLineBegin = data.length();
} else {
nextLineBegin++;
}
size_t eqPos = data.find('=', lineBegin);
if(eqPos < nextLineBegin) {
std::string key = data.substr(lineBegin, eqPos - lineBegin),
value = data.substr(eqPos + 1, nextLineBegin - eqPos - 2);
for(int i = 0; SolveSpaceUI::SAVED[i].type != 0; i++) {
if(SolveSpaceUI::SAVED[i].fmt != 'f') continue;
if(SolveSpaceUI::SAVED[i].desc != key) continue;
double f = strtod(value.c_str(), NULL);
f = round(f * precision) / precision;
std::string newValue = ssprintf("%.20f", f);
ssassert(value.size() == newValue.size(), "Expected no change in value length");
std::copy(newValue.begin(), newValue.end(),
data.begin() + eqPos + 1);
}
if(key == "Group.impFile") {
data.erase(lineBegin, nextLineBegin - lineBegin);
nextLineBegin = lineBegin;
}
}
size_t spPos = data.find(' ', lineBegin);
if(spPos < nextLineBegin) {
std::string cmd = data.substr(lineBegin, spPos - lineBegin);
if(!cmd.empty()) {
if(cmd == "Surface" || cmd == "SCtrl" || cmd == "TrimBy" ||
cmd == "Curve" || cmd == "CCtrl" || cmd == "CurvePt") {
data.erase(lineBegin, nextLineBegin - lineBegin);
nextLineBegin = lineBegin;
}
}
}
lineBegin = nextLineBegin;
}
return data;
}
bool Test::Helper::RecordCheck(bool success) {
checkCount++;
if(!success) failCount++;
return success;
}
void Test::Helper::PrintFailure(const char *file, int line, std::string msg) {
std::string shortFile = file;
shortFile.erase(0, BuildRoot().size());
fprintf(stderr, "test%c%s:%d: FAILED: %s\n",
BUILD_PATH_SEP, shortFile.c_str(), line, msg.c_str());
}
Platform::Path Test::Helper::GetAssetPath(std::string testFile, std::string assetName,
std::string mangle) {
if(!mangle.empty()) {
assetName.insert(assetName.rfind('.'), "." + mangle);
}
testFile.erase(0, BuildRoot().size());
testFile.erase(testFile.find_last_of(VALID_BUILD_PATH_SEPS) + 1);
return HostRoot().Join(Platform::Path::FromPortable(testFile + assetName));
}
bool Test::Helper::CheckBool(const char *file, int line, const char *expr, bool value,
bool reference) {
if(!RecordCheck(value == reference)) {
std::string msg = ssprintf("(%s) = %s ≠ %s", expr,
value ? "true" : "false",
reference ? "true" : "false");
PrintFailure(file, line, msg);
return false;
} else {
return true;
}
}
bool Test::Helper::CheckEqualString(const char *file, int line, const char *valueExpr,
const std::string &value, const std::string &reference) {
if(!RecordCheck(value == reference)) {
std::string msg = ssprintf("(%s) = \"%s\" ≠ \"%s\"", valueExpr,
value.c_str(), reference.c_str());
PrintFailure(file, line, msg);
return false;
} else {
return true;
}
}
bool Test::Helper::CheckEqualEpsilon(const char *file, int line, const char *valueExpr,
double value, double reference) {
bool result = fabs(value - reference) < LENGTH_EPS;
if(!RecordCheck(result)) {
std::string msg = ssprintf("(%s) = %.4g ≉ %.4g", valueExpr,
value, reference);
PrintFailure(file, line, msg);
return false;
} else {
return true;
}
}
bool Test::Helper::CheckLoad(const char *file, int line, const char *fixture) {
Platform::Path fixturePath = GetAssetPath(file, fixture);
FILE *f = OpenFile(fixturePath, "rb");
bool fixtureExists = (f != NULL);
if(f) fclose(f);
bool result = fixtureExists && SS.LoadFromFile(fixturePath);
if(!RecordCheck(result)) {
PrintFailure(file, line,
ssprintf("loading file '%s'", fixturePath.raw.c_str()));
return false;
} else {
SS.AfterNewFile();
SS.GW.offset = {};
SS.GW.scale = 10.0;
return true;
}
}
bool Test::Helper::CheckSave(const char *file, int line, const char *reference) {
Platform::Path refPath = GetAssetPath(file, reference),
outPath = GetAssetPath(file, reference, "out");
if(!RecordCheck(SS.SaveToFile(outPath))) {
PrintFailure(file, line,
ssprintf("saving file '%s'", refPath.raw.c_str()));
return false;
} else {
std::string refData, outData;
ReadFile(refPath, &refData);
ReadFile(outPath, &outData);
if(!RecordCheck(PrepareSavefile(refData) == PrepareSavefile(outData))) {
PrintFailure(file, line, "savefile doesn't match reference");
return false;
}
RemoveFile(outPath);
return true;
}
}
bool Test::Helper::CheckRender(const char *file, int line, const char *reference) {
// First, render to a framebuffer.
Camera camera = {};
camera.pixelRatio = 1;
camera.gridFit = true;
camera.width = 600;
camera.height = 600;
camera.projUp = SS.GW.projUp;
camera.projRight = SS.GW.projRight;
camera.scale = SS.GW.scale;
CairoPixmapRenderer pixmapCanvas;
pixmapCanvas.SetLighting(SS.GW.GetLighting());
pixmapCanvas.SetCamera(camera);
pixmapCanvas.Init();
pixmapCanvas.StartFrame();
SS.GW.Draw(&pixmapCanvas);
pixmapCanvas.FlushFrame();
pixmapCanvas.FinishFrame();
std::shared_ptr<Pixmap> frame = pixmapCanvas.ReadFrame();
pixmapCanvas.Clear();
// Now, diff framebuffer against reference render.
Platform::Path refPath = GetAssetPath(file, reference),
outPath = GetAssetPath(file, reference, "out"),
diffPath = GetAssetPath(file, reference, "diff");
std::shared_ptr<Pixmap> refPixmap = Pixmap::ReadPng(refPath, /*flip=*/true);
if(!RecordCheck(refPixmap && refPixmap->Equals(*frame))) {
frame->WritePng(outPath, /*flip=*/true);
if(!refPixmap) {
PrintFailure(file, line, "reference render not present");
return false;
}
ssassert(refPixmap->format == frame->format, "Expected buffer formats to match");
if(refPixmap->width != frame->width ||
refPixmap->height != frame->height) {
PrintFailure(file, line, "render doesn't match reference; dimensions differ");
} else {
std::shared_ptr<Pixmap> diffPixmap =
Pixmap::Create(refPixmap->format, refPixmap->width, refPixmap->height);
int diffPixelCount = 0;
for(size_t j = 0; j < refPixmap->height; j++) {
for(size_t i = 0; i < refPixmap->width; i++) {
if(!refPixmap->GetPixel(i, j).Equals(frame->GetPixel(i, j))) {
diffPixelCount++;
diffPixmap->SetPixel(i, j, RgbaColor::From(255, 0, 0, 255));
}
}
}
diffPixmap->WritePng(diffPath, /*flip=*/true);
std::string message =
ssprintf("render doesn't match reference; %d (%.2f%%) pixels differ",
diffPixelCount,
100.0 * diffPixelCount / (refPixmap->width * refPixmap->height));
PrintFailure(file, line, message);
}
return false;
} else {
RemoveFile(outPath);
RemoveFile(diffPath);
return true;
}
}
bool Test::Helper::CheckRenderXY(const char *file, int line, const char *fixture) {
SS.GW.projRight = Vector::From(1, 0, 0);
SS.GW.projUp = Vector::From(0, 1, 0);
return CheckRender(file, line, fixture);
}
bool Test::Helper::CheckRenderIso(const char *file, int line, const char *fixture) {
SS.GW.projRight = Vector::From(0.707, 0.000, -0.707);
SS.GW.projUp = Vector::From(-0.408, 0.816, -0.408);
return CheckRender(file, line, fixture);
}
// Avoid global constructors; using a global static vector instead of a local one
// breaks MinGW for some obscure reason.
static std::vector<Test::Case> *testCasesPtr;
int Test::Case::Register(Test::Case testCase) {
static std::vector<Test::Case> testCases;
testCases.push_back(testCase);
testCasesPtr = &testCases;
return 0;
}
int main(int argc, char **argv) {
std::vector<std::string> args = Platform::InitCli(argc, argv);
std::string filterPattern = ".*";
unsigned int seed = std::random_device{}();
if(args.size() == 1) {
} else if(args.size() == 2) {
filterPattern = args[1];
} else if(args.size() == 3) {
filterPattern = args[1];
seed = std::stoul(args[2]);
} else {
fprintf(stderr, "Usage: %s [test filter regex] [shuffle seed]\n", args[0].c_str());
return 1;
}
fprintf(stderr, "info: using test filter `%s' and seed %u\n", filterPattern.c_str(), seed);
Platform::fontFiles.push_back(HostRoot().Join("Gentium-R.ttf"));
std::mt19937 g(seed);
// Wreck order dependencies between tests!
std::shuffle(testCasesPtr->begin(), testCasesPtr->end(), g);
std::regex filter(filterPattern);
auto testStartTime = std::chrono::steady_clock::now();
size_t ranTally = 0, skippedTally = 0, checkTally = 0, failTally = 0;
for(Test::Case &testCase : *testCasesPtr) {
std::string testCaseName = testCase.fileName;
testCaseName.erase(0, BuildRoot().size());
testCaseName.erase(testCaseName.find_last_of(VALID_BUILD_PATH_SEPS));
testCaseName += BUILD_PATH_SEP + testCase.caseName;
std::smatch filterMatch;
if(!std::regex_search(testCaseName, filterMatch, filter)) {
skippedTally += 1;
continue;
}
SS.Init();
SS.showToolbar = false;
SS.checkClosedContour = false;
Test::Helper helper = {};
testCase.fn(&helper);
SK.Clear();
SS.Clear();
ranTally += 1;
checkTally += helper.checkCount;
failTally += helper.failCount;
if(helper.checkCount == 0) {
fprintf(stderr, " %s test %s (empty)\n",
Colorize(Color::Red, "??").c_str(),
Colorize(Color::DarkGreen, testCaseName).c_str());
} else if(helper.failCount > 0) {
fprintf(stderr, " %s test %s\n",
Colorize(Color::Red, "NG").c_str(),
Colorize(Color::DarkGreen, testCaseName).c_str());
} else {
fprintf(stderr, " %s test %s\n",
Colorize(Color::Green, "OK").c_str(),
Colorize(Color::DarkGreen, testCaseName).c_str());
}
}
auto testEndTime = std::chrono::steady_clock::now();
std::chrono::duration<double> testTime = testEndTime - testStartTime;
if(failTally > 0) {
fprintf(stderr, "Failure! %u checks failed\n",
(unsigned)failTally);
} else {
fprintf(stderr, "Success! %u test cases (%u skipped), %u checks, %.3fs\n",
(unsigned)ranTally, (unsigned)skippedTally,
(unsigned)checkTally, testTime.count());
}
// At last, try to reset all caches we or our dependencies have, to make SNR
// of memory checking tools like valgrind higher.
cairo_debug_reset_static_data();
return (failTally > 0);
}
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