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