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Slic3r/src/test/libslic3r/test_printgcode.cpp

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#include <catch.hpp>
#include <regex>
#include "test_data.hpp"
#include "libslic3r.h"
#include "GCodeReader.hpp"
using namespace Slic3r::Test;
using namespace Slic3r;
std::regex perimeters_regex("G1 X[-0-9.]* Y[-0-9.]* E[-0-9.]* ; perimeter");
std::regex infill_regex("G1 X[-0-9.]* Y[-0-9.]* E[-0-9.]* ; infill");
std::regex skirt_regex("G1 X[-0-9.]* Y[-0-9.]* E[-0-9.]* ; skirt");
SCENARIO( "PrintGCode basic functionality") {
GIVEN("A default configuration and a print test object") {
auto config {Slic3r::Config::new_from_defaults()};
auto gcode {std::stringstream("")};
WHEN("the output is executed with no support material") {
config->set("first_layer_extrusion_width", 0);
config->set("gcode_comments", true);
config->set("start_gcode", "");
Slic3r::Model model;
auto print {Slic3r::Test::init_print({TestMesh::cube_20x20x20}, model, config)};
print->process();
Slic3r::Test::gcode(gcode, print);
auto exported {gcode.str()};
THEN("Some text output is generated.") {
REQUIRE(exported.size() > 0);
}
THEN("Exported text contains slic3r version") {
REQUIRE(exported.find(SLIC3R_VERSION) != std::string::npos);
}
THEN("Exported text contains git commit id") {
REQUIRE(exported.find("; Git Commit") != std::string::npos);
REQUIRE(exported.find(BUILD_COMMIT) != std::string::npos);
}
THEN("Exported text contains extrusion statistics.") {
REQUIRE(exported.find("; external perimeters extrusion width") != std::string::npos);
REQUIRE(exported.find("; perimeters extrusion width") != std::string::npos);
REQUIRE(exported.find("; infill extrusion width") != std::string::npos);
REQUIRE(exported.find("; solid infill extrusion width") != std::string::npos);
REQUIRE(exported.find("; top solid infill extrusion width") != std::string::npos);
REQUIRE(exported.find("; support material extrusion width") == std::string::npos);
REQUIRE(exported.find("; first layer extrusion width") == std::string::npos);
}
THEN("Exported text does not contain cooling markers (they were consumed)") {
REQUIRE(exported.find(";_EXTRUDE_SET_SPEED") == std::string::npos);
}
THEN("GCode preamble is emitted.") {
REQUIRE(exported.find("G21 ; set units to millimeters") != std::string::npos);
}
THEN("Config options emitted for print config, default region config, default object config") {
REQUIRE(exported.find("; first_layer_temperature") != std::string::npos);
REQUIRE(exported.find("; layer_height") != std::string::npos);
REQUIRE(exported.find("; fill_density") != std::string::npos);
}
THEN("Infill is emitted.") {
std::smatch has_match;
REQUIRE(std::regex_search(exported, has_match, infill_regex));
}
THEN("Perimeters are emitted.") {
std::smatch has_match;
REQUIRE(std::regex_search(exported, has_match, perimeters_regex));
}
THEN("Skirt is emitted.") {
std::smatch has_match;
REQUIRE(std::regex_search(exported, has_match, skirt_regex));
}
THEN("final Z height is ~20mm") {
double final_z {0.0};
auto reader {GCodeReader()};
reader.apply_config(print->config);
reader.parse(exported, [&final_z] (GCodeReader& self, const GCodeReader::GCodeLine& line)
{
final_z = std::max(final_z, static_cast<double>(self.Z)); // record the highest Z point we reach
});
REQUIRE(final_z == Approx(20.15));
}
}
WHEN("output is executed with complete objects and two differently-sized meshes") {
Slic3r::Model model;
config->set("first_layer_extrusion_width", 0);
config->set("first_layer_height", 0.3);
config->set("support_material", false);
config->set("raft_layers", 0);
config->set("complete_objects", true);
config->set("gcode_comments", true);
config->set("between_objects_gcode", "; between-object-gcode");
auto print {Slic3r::Test::init_print({TestMesh::cube_20x20x20, TestMesh::ipadstand}, model, config)};
Slic3r::Test::gcode(gcode, print);
auto exported {gcode.str()};
THEN("Some text output is generated.") {
REQUIRE(exported.size() > 0);
}
THEN("Infill is emitted.") {
std::smatch has_match;
REQUIRE(std::regex_search(exported, has_match, infill_regex));
}
THEN("Perimeters are emitted.") {
std::smatch has_match;
REQUIRE(std::regex_search(exported, has_match, perimeters_regex));
}
THEN("Skirt is emitted.") {
std::smatch has_match;
REQUIRE(std::regex_search(exported, has_match, skirt_regex));
}
THEN("Between-object-gcode is emitted.") {
REQUIRE(exported.find("; between-object-gcode") != std::string::npos);
}
THEN("final Z height is ~27mm") {
double final_z {0.0};
auto reader {GCodeReader()};
reader.apply_config(print->config);
reader.parse(exported, [&final_z] (GCodeReader& self, const GCodeReader::GCodeLine& line)
{
final_z = std::max(final_z, static_cast<double>(self.Z)); // record the highest Z point we reach
});
REQUIRE(final_z == Approx(30).margin(0.1)); // close enough
}
THEN("Z height resets on object change") {
double final_z {0.0};
bool reset {false};
auto reader {GCodeReader()};
reader.apply_config(print->config);
reader.parse(exported, [&final_z, &reset] (GCodeReader& self, const GCodeReader::GCodeLine& line)
{
if (final_z > 0 && std::abs(self.Z - 0.3) < 0.01 ) { // saw higher Z before this, now it's lower
reset = true;
} else {
final_z = std::max(final_z, static_cast<double>(self.Z)); // record the highest Z point we reach
}
});
REQUIRE(reset == true);
}
THEN("Shorter object is printed before taller object.") {
double final_z {0.0};
bool reset {false};
auto reader {GCodeReader()};
reader.apply_config(print->config);
reader.parse(exported, [&final_z, &reset] (GCodeReader& self, const GCodeReader::GCodeLine& line)
{
if (final_z > 0 && std::abs(self.Z - 0.3) < 0.01 ) {
reset = (final_z > 20.0);
} else {
final_z = std::max(final_z, static_cast<double>(self.Z)); // record the highest Z point we reach
}
});
REQUIRE(reset == true);
}
}
WHEN("the output is executed with support material") {
Slic3r::Model model;
config->set("first_layer_extrusion_width", 0);
config->set("support_material", true);
config->set("raft_layers", 3);
config->set("gcode_comments", true);
auto print {Slic3r::Test::init_print({TestMesh::cube_20x20x20}, model, config)};
Slic3r::Test::gcode(gcode, print);
auto exported {gcode.str()};
THEN("Some text output is generated.") {
REQUIRE(exported.size() > 0);
}
THEN("Exported text contains extrusion statistics.") {
REQUIRE(exported.find("; external perimeters extrusion width") != std::string::npos);
REQUIRE(exported.find("; perimeters extrusion width") != std::string::npos);
REQUIRE(exported.find("; infill extrusion width") != std::string::npos);
REQUIRE(exported.find("; solid infill extrusion width") != std::string::npos);
REQUIRE(exported.find("; top solid infill extrusion width") != std::string::npos);
REQUIRE(exported.find("; support material extrusion width") != std::string::npos);
REQUIRE(exported.find("; first layer extrusion width") == std::string::npos);
}
THEN("Raft is emitted.") {
REQUIRE(exported.find("; raft") != std::string::npos);
}
}
WHEN("the output is executed with a separate first layer extrusion width") {
Slic3r::Model model;
config->set("first_layer_extrusion_width", 0.5);
auto print {Slic3r::Test::init_print({TestMesh::cube_20x20x20}, model, config)};
Slic3r::Test::gcode(gcode, print);
auto exported {gcode.str()};
THEN("Some text output is generated.") {
REQUIRE(exported.size() > 0);
}
THEN("Exported text contains extrusion statistics.") {
REQUIRE(exported.find("; external perimeters extrusion width") != std::string::npos);
REQUIRE(exported.find("; perimeters extrusion width") != std::string::npos);
REQUIRE(exported.find("; infill extrusion width") != std::string::npos);
REQUIRE(exported.find("; solid infill extrusion width") != std::string::npos);
REQUIRE(exported.find("; top solid infill extrusion width") != std::string::npos);
REQUIRE(exported.find("; support material extrusion width") == std::string::npos);
REQUIRE(exported.find("; first layer extrusion width") != std::string::npos);
}
}
WHEN("Cooling is enabled and the fan is disabled.") {
config->set("cooling", true);
config->set("disable_fan_first_layers", 5);
Slic3r::Model model;
auto print {Slic3r::Test::init_print({TestMesh::cube_20x20x20}, model, config)};
Slic3r::Test::gcode(gcode, print);
auto exported {gcode.str()};
THEN("GCode to disable fan is emitted."){
REQUIRE(exported.find("M107") != std::string::npos);
}
}
WHEN("end_gcode exists with layer_num and layer_z") {
config->set("end_gcode", "; Layer_num [layer_num]\n; Layer_z [layer_z]");
config->set("layer_height", 0.1);
config->set("first_layer_height", 0.1);
Slic3r::Model model;
auto print {Slic3r::Test::init_print({TestMesh::cube_20x20x20}, model, config)};
Slic3r::Test::gcode(gcode, print);
auto exported {gcode.str()};
THEN("layer_num and layer_z are processed in the end gcode") {\
REQUIRE(exported.find("; Layer_num 199") != std::string::npos);
REQUIRE(exported.find("; Layer_z 20") != std::string::npos);
}
}
WHEN("current_extruder exists in start_gcode") {
config->set("start_gcode", "; Extruder [current_extruder]");
{
Slic3r::Model model;
auto print {Slic3r::Test::init_print({TestMesh::cube_20x20x20}, model, config)};
Slic3r::Test::gcode(gcode, print);
auto exported {gcode.str()};
THEN("current_extruder is processed in the start gcode and set for first extruder") {
REQUIRE(exported.find("; Extruder 0") != std::string::npos);
}
}
config->set("solid_infill_extruder", 2);
config->set("support_material_extruder", 2);
config->set("infill_extruder", 2);
config->set("perimeter_extruder", 2);
{
Slic3r::Model model;
auto print {Slic3r::Test::init_print({TestMesh::cube_20x20x20}, model, config)};
Slic3r::Test::gcode(gcode, print);
auto exported {gcode.str()};
THEN("current_extruder is processed in the start gcode and set for second extruder") {
REQUIRE(exported.find("; Extruder 1") != std::string::npos);
}
}
}
gcode.clear();
}
}
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