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OrcaSlicer/tests/fff_print/test_printgcode.cpp
raistlin7447 b1e510fc99 Disable fff_print tests that fail only in CI (#14207) 
* Disable fff_print tests that fail only in CI

Skirt height is honored, Scenario: Skirt and brim generation, and
Scenario: PrintGCode basic functionality slice geometry that makes clipper's
coordinate range check throw "Coordinate outside allowed range" in the Linux
CI environment, while the same tests pass in local builds. Tag them
[NotWorking] so the Unit Tests job (ctest -LE NotWorking) excludes them until
the underlying slicing issue is fixed in a follow-up PR.

* Trigger Build all workflow on tests/** changes

The push and pull_request path filters did not include tests/**, so a
test-only change never started the build and the Unit Tests job never ran.
Add tests/** to both filters so changes to the test suite are built and
exercised by CI.
2026-06-15 08:53:45 +08:00

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#ifdef WIN32
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#ifndef NOMINMAX
#define NOMINMAX
#endif
#include <Windows.h>
#endif
#include <catch2/catch_all.hpp>
#include "libslic3r/libslic3r.h"
#include "libslic3r/GCodeReader.hpp"
#include "test_data.hpp"
#include "test_utils.hpp"
#include <algorithm>
#include <boost/regex.hpp>
#include <boost/filesystem.hpp>
#include <fstream>
#include <iterator>
#include <set>
using namespace Slic3r;
using namespace Slic3r::Test;
boost::regex perimeters_regex("G1 X[-0-9.]* Y[-0-9.]* E[-0-9.]* ; perimeter");
boost::regex infill_regex("G1 X[-0-9.]* Y[-0-9.]* E[-0-9.]* ; infill");
boost::regex skirt_regex("G1 X[-0-9.]* Y[-0-9.]* E[-0-9.]* ; skirt");
// [NotWorking]: slice() intermittently throws clipper's "Coordinate outside allowed
// range" in CI (Linux) while passing locally. Disabled pending a root-cause fix in a
// follow-up PR.
SCENARIO( "PrintGCode basic functionality", "[PrintGCode][NotWorking]") {
GIVEN("A default configuration and a print test object") {
WHEN("the output is executed with no support material") {
Slic3r::Print print;
Slic3r::Model model;
Slic3r::Test::init_print({TestMesh::cube_20x20x20}, print, model, {
{ "layer_height", 0.2 },
{ "initial_layer_print_height", 0.2 },
{ "initial_layer_line_width", 0 },
{ "gcode_comments", true },
{ "machine_start_gcode", "" },
{ "z_hop", 0 }
});
std::string gcode = Slic3r::Test::gcode(print);
THEN("Some text output is generated.") {
REQUIRE(gcode.size() > 0);
}
//THEN("Exported text contains git commit id") {
// REQUIRE(gcode.find("; Git Commit") != std::string::npos);
// REQUIRE(gcode.find(SLIC3R_BUILD_ID) != std::string::npos);
//}
THEN("Exported text contains extrusion statistics.") {
REQUIRE(gcode.find("; external perimeters extrusion width") != std::string::npos);
REQUIRE(gcode.find("; perimeters extrusion width") != std::string::npos);
REQUIRE(gcode.find("; infill extrusion width") != std::string::npos);
REQUIRE(gcode.find("; solid infill extrusion width") != std::string::npos);
REQUIRE(gcode.find("; top infill extrusion width") != std::string::npos);
REQUIRE(gcode.find("; support material extrusion width") == std::string::npos);
REQUIRE(gcode.find("; first layer extrusion width") == std::string::npos);
}
THEN("Exported text does not contain cooling markers (they were consumed)") {
REQUIRE(gcode.find(";_EXTRUDE_SET_SPEED") == std::string::npos);
}
THEN("The config trailer includes print and region settings") {
REQUIRE(gcode.find("; layer_height") != std::string::npos);
REQUIRE(gcode.find("; sparse_infill_density") != std::string::npos);
}
THEN("Infill is emitted.") {
boost::smatch has_match;
REQUIRE(boost::regex_search(gcode, has_match, infill_regex));
}
THEN("Perimeters are emitted.") {
boost::smatch has_match;
REQUIRE(boost::regex_search(gcode, has_match, perimeters_regex));
}
THEN("Skirt is emitted.") {
boost::smatch has_match;
REQUIRE(boost::regex_search(gcode, has_match, skirt_regex));
}
THEN("final Z height is 20mm") {
REQUIRE_THAT(max_z(gcode), Catch::Matchers::WithinAbs(20., 1e-4));
}
}
WHEN("output is executed with two objects printed sequentially") {
Slic3r::Print print;
Slic3r::Model model;
Slic3r::Test::init_print({TestMesh::cube_20x20x20,TestMesh::cube_20x20x20}, print, model, {
{ "initial_layer_line_width", 0 },
{ "initial_layer_print_height", 0.3 },
{ "layer_height", 0.2 },
{ "enable_support", false },
{ "raft_layers", 0 },
{ "print_sequence", "by object" },
{ "gcode_comments", true },
{ "printing_by_object_gcode", "; between-object-gcode" },
{ "z_hop", 0 }
});
std::string gcode = Slic3r::Test::gcode(print);
THEN("Some text output is generated.") {
REQUIRE(gcode.size() > 0);
}
THEN("Infill is emitted.") {
boost::smatch has_match;
REQUIRE(boost::regex_search(gcode, has_match, infill_regex));
}
THEN("Perimeters are emitted.") {
boost::smatch has_match;
REQUIRE(boost::regex_search(gcode, has_match, perimeters_regex));
}
THEN("Skirt is emitted.") {
boost::smatch has_match;
REQUIRE(boost::regex_search(gcode, has_match, skirt_regex));
}
THEN("Between-object-gcode is emitted.") {
REQUIRE(gcode.find("; between-object-gcode") != std::string::npos);
}
THEN("final Z height is 20.1mm") {
REQUIRE_THAT(max_z(gcode), Catch::Matchers::WithinAbs(20.1, 1e-4));
}
THEN("Z height resets on object change") {
double final_z = 0.0;
bool reset = false;
GCodeReader reader;
reader.apply_config(print.config());
reader.parse_buffer(gcode, [&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);
}
}
WHEN("the output is executed with support material") {
std::string gcode = ::Test::slice({TestMesh::cube_20x20x20}, {
{ "initial_layer_line_width", 0 },
{ "enable_support", true },
{ "raft_layers", 3 },
{ "gcode_comments", true }
});
THEN("Some text output is generated.") {
REQUIRE(gcode.size() > 0);
}
THEN("Exported text contains extrusion statistics.") {
REQUIRE(gcode.find("; external perimeters extrusion width") != std::string::npos);
REQUIRE(gcode.find("; perimeters extrusion width") != std::string::npos);
REQUIRE(gcode.find("; infill extrusion width") != std::string::npos);
REQUIRE(gcode.find("; solid infill extrusion width") != std::string::npos);
REQUIRE(gcode.find("; top infill extrusion width") != std::string::npos);
REQUIRE(gcode.find("; support material extrusion width") != std::string::npos);
REQUIRE(gcode.find("; first layer extrusion width") == std::string::npos);
}
THEN("Raft is emitted.") {
REQUIRE(gcode.find("; raft") != std::string::npos);
}
}
WHEN("the output is executed with a separate first layer extrusion width") {
std::string gcode = ::Test::slice({ TestMesh::cube_20x20x20 }, {
{ "initial_layer_line_width", "0.5" }
});
THEN("Some text output is generated.") {
REQUIRE(gcode.size() > 0);
}
THEN("Exported text contains extrusion statistics.") {
REQUIRE(gcode.find("; external perimeters extrusion width") != std::string::npos);
REQUIRE(gcode.find("; perimeters extrusion width") != std::string::npos);
REQUIRE(gcode.find("; infill extrusion width") != std::string::npos);
REQUIRE(gcode.find("; solid infill extrusion width") != std::string::npos);
REQUIRE(gcode.find("; top infill extrusion width") != std::string::npos);
REQUIRE(gcode.find("; support material extrusion width") == std::string::npos);
REQUIRE(gcode.find("; first layer extrusion width") != std::string::npos);
}
}
WHEN("Cooling is enabled and the fan is disabled.") {
std::string gcode = ::Test::slice({ TestMesh::cube_20x20x20 }, {
{ "cooling", true },
{ "close_fan_the_first_x_layers", 5 }
});
THEN("GCode to disable fan is emitted."){
REQUIRE(gcode.find("M106 S0") != std::string::npos);
}
}
WHEN("end_gcode exists with layer_num and layer_z") {
std::string gcode = ::Test::slice({ TestMesh::cube_20x20x20 }, {
{ "machine_end_gcode", "; Layer_num [layer_num]\n; Layer_z [layer_z]" },
{ "layer_height", 0.1 },
{ "initial_layer_print_height", 0.1 }
});
THEN("layer_num and layer_z are processed in the end gcode") {
REQUIRE(gcode.find("; Layer_num 199") != std::string::npos);
REQUIRE(gcode.find("; Layer_z 20") != std::string::npos);
}
}
WHEN("current_extruder exists in start_gcode") {
std::string gcode = ::Test::slice({ TestMesh::cube_20x20x20 }, {
{ "machine_start_gcode", "; Extruder [current_extruder]" }
});
THEN("current_extruder is processed in the start gcode and set for first extruder") {
REQUIRE(gcode.find("; Extruder 0") != std::string::npos);
}
}
WHEN("layer_num represents the layer's index from z=0") {
std::string gcode = ::Test::slice({ TestMesh::cube_20x20x20, TestMesh::cube_20x20x20 }, {
{ "print_sequence", "by object" },
{ "gcode_comments", true },
{ "layer_change_gcode", ";Layer:[layer_num] ([layer_z] mm)" },
{ "layer_height", 0.1 },
{ "initial_layer_print_height", 0.1 }
});
// End of the 1st object.
std::string token = ";Layer:199 ";
size_t pos = gcode.find(token);
THEN("First and second object last layer is emitted") {
// First object
REQUIRE(pos != std::string::npos);
pos += token.size();
REQUIRE(pos < gcode.size());
double z = 0;
REQUIRE((sscanf(gcode.data() + pos, "(%lf mm)", &z) == 1));
REQUIRE_THAT(z, Catch::Matchers::WithinAbs(20., 1e-4));
// Second object
pos = gcode.find(";Layer:399 ", pos);
REQUIRE(pos != std::string::npos);
pos += token.size();
REQUIRE(pos < gcode.size());
REQUIRE((sscanf(gcode.data() + pos, "(%lf mm)", &z) == 1));
REQUIRE_THAT(z, Catch::Matchers::WithinAbs(20., 1e-4));
}
}
}
}
TEST_CASE("export_gcode writes G-code without a result pointer", "[PrintGCode][export_gcode]")
{
Print print;
Model model;
Slic3r::Test::init_print({TestMesh::cube_20x20x20}, print, model);
print.process();
SECTION("non-BBL printer") {}
SECTION("BBL printer") { print.is_BBL_printer() = true; }
ScopedTemporaryFile temp(".gcode");
REQUIRE_NOTHROW(print.export_gcode(temp.string(), nullptr, nullptr));
std::ifstream in(temp.string());
const std::string gcode((std::istreambuf_iterator<char>(in)), std::istreambuf_iterator<char>());
REQUIRE_FALSE(gcode.empty());
}
TEST_CASE("Initial layer height is honored", "[PrintGCode]")
{
const std::string gcode = Slic3r::Test::slice({TestMesh::cube_20x20x20}, {
{ "initial_layer_print_height", 0.3 },
{ "layer_height", 0.2 },
{ "z_hop", 0 } // keep recorded Z equal to the printed layer height
});
std::set<double> layer_zs;
GCodeReader reader;
reader.parse_buffer(gcode, [&layer_zs] (GCodeReader& self, const GCodeReader::GCodeLine& line) {
if (line.extruding(self) && line.dist_XY(self) > 0)
layer_zs.insert(self.z());
});
REQUIRE(layer_zs.size() > 1);
REQUIRE_THAT(*layer_zs.begin(), Catch::Matchers::WithinAbs(0.3, 1e-4));
REQUIRE_THAT(*std::next(layer_zs.begin()), Catch::Matchers::WithinAbs(0.5, 1e-4));
}
TEST_CASE("Sequential printing follows model order", "[PrintGCode]")
{
// Two objects of different heights, taller one added first. Orca prints
// sequential objects in model order, so the taller one is printed first.
const std::string gcode = Slic3r::Test::slice({ Slic3r::make_cube(20, 20, 20), Slic3r::make_cube(20, 20, 10) }, {
{ "print_sequence", "by object" },
{ "layer_height", 0.2 },
{ "initial_layer_print_height", 0.2 },
{ "z_hop", 0 }
});
// The first object's height is the peak Z reached before Z drops back to the
// first layer (the object change). With by-object printing only an object
// change returns Z to the bottom.
double first_object_peak_z = 0.0;
double running_peak = 0.0;
GCodeReader reader;
reader.parse_buffer(gcode, [&] (GCodeReader& self, const GCodeReader::GCodeLine& line) {
if (first_object_peak_z != 0.0 || !line.extruding(self)) return; // ignore travels (e.g. start-gcode Z lift)
if (running_peak > 1.0 && self.z() < 1.0)
first_object_peak_z = running_peak;
else
running_peak = std::max(running_peak, static_cast<double>(self.z()));
});
REQUIRE_THAT(first_object_peak_z, Catch::Matchers::WithinAbs(20.0, 0.3));
}
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