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#95: add test assertions and output in test_render
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@tlamonthezie
tlamonthezie committed Aug 27, 2024
1 parent f68869c commit 21b75e8
Showing 1 changed file with 63 additions and 53 deletions.
116 changes: 63 additions & 53 deletions tests/unit/render/test_render.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -256,7 +256,7 @@ TEST_P(RenderTest, test_render_from_config_with_png) {
SRC_DIR, output_file_stem, output_file_stem, i);

fmt::print("----- Testing phase {} -----\n", i);
// 1. test files exist: rank mesh, object mesh, png
// 1. test expected output files existence for phase: rank mesh, object mesh, png
ASSERT_TRUE(
std::filesystem::exists(rank_mesh_file)
) << fmt::format("Error: rank mesh not generated at {}", object_mesh_file);
Expand All @@ -268,65 +268,75 @@ TEST_P(RenderTest, test_render_from_config_with_png) {
) << fmt::format("Error: PNG image not generated at {}", png_file);

// 2. test PNG with tolerance
fmt::print("Testing png file\n");
auto expected_png_file = fmt::format("{}/tests/expected/{}/{}{}.png", SRC_DIR, output_file_stem, output_file_stem, i);
std::vector<std::string> cmd_vars = {
fmt::format("ACTUAL={}", png_file),
fmt::format("EXPECTED={}", expected_png_file),
"TOLERANCE=0.1",
};
auto cmd = fmt::format("{} {}/tests/test_image.sh",
fmt::join(cmd_vars, " "),
SRC_DIR
);
const auto [status, output] = Util::exec(cmd.c_str());
fmt::print(output);
ASSERT_EQ(status, EXIT_SUCCESS) << output;
fmt::print("Testing png file {}\n", std::filesystem::path(png_file).filename());
if (std::filesystem::exists(png_file)) {
auto expected_png_file = fmt::format("{}/tests/expected/{}/{}{}.png", SRC_DIR, output_file_stem, output_file_stem, i);
std::vector<std::string> cmd_vars = {
fmt::format("ACTUAL={}", png_file),
fmt::format("EXPECTED={}", expected_png_file),
"TOLERANCE=0.1",
};
auto cmd = fmt::format("{} {}/tests/test_image.sh",
fmt::join(cmd_vars, " "),
SRC_DIR
);
const auto [status, output] = Util::exec(cmd.c_str());
fmt::print(output);
ASSERT_EQ(status, EXIT_SUCCESS) << output;
} else {
ADD_FAILURE() << fmt::format("Unable to test png file as it has not been generated");
}

// TODO: testing mesh files cannot be a simple diff as below because each run generates some different data.
// The future test should test XML Nodes
// 3. test vtp's file content
// 3.1 rank mesh file
fmt::print("Testing rank mesh .vtp file\n");

// 3.1.1 Compare raw vtp files
auto rank_mesh_content = Util::getFileContent(rank_mesh_file);
auto expected_rank_mesh_content = Util::getFileContent(expected_rank_mesh_file);
ASSERT_EQ(expected_rank_mesh_content, rank_mesh_content) << fmt::format("rank mesh file content differs from expected at phase {}", i);

// 3.1.2 Compare polydata using vtkXMLPolyDataReader
vtkNew<vtkXMLPolyDataReader> expected_rank_mesh_reader;
expected_rank_mesh_reader->SetFileName(expected_rank_mesh_file.c_str());
expected_rank_mesh_reader->Update();
vtkPolyData *expected_rank_mesh = expected_rank_mesh_reader->GetOutput();

vtkNew<vtkXMLPolyDataReader> rank_mesh_reader;
rank_mesh_reader->SetFileName(rank_mesh_file.c_str());
rank_mesh_reader->Update();
vtkPolyData *rank_mesh = rank_mesh_reader->GetOutput();

this->assertPolyEquals(rank_mesh, expected_rank_mesh);
fmt::print("Testing rank mesh file {}\n", std::filesystem::path(rank_mesh_file).filename());
if (std::filesystem::exists(rank_mesh_file)) {
// 3.1.1 Compare raw vtp files
auto rank_mesh_content = Util::getFileContent(rank_mesh_file);
auto expected_rank_mesh_content = Util::getFileContent(expected_rank_mesh_file);
ASSERT_EQ(expected_rank_mesh_content, rank_mesh_content) << fmt::format("rank mesh file content differs from expected at phase {}", i);

// 3.1.2 Compare polydata using vtkXMLPolyDataReader
vtkNew<vtkXMLPolyDataReader> expected_rank_mesh_reader;
expected_rank_mesh_reader->SetFileName(expected_rank_mesh_file.c_str());
expected_rank_mesh_reader->Update();
vtkPolyData *expected_rank_mesh = expected_rank_mesh_reader->GetOutput();

vtkNew<vtkXMLPolyDataReader> rank_mesh_reader;
rank_mesh_reader->SetFileName(rank_mesh_file.c_str());
rank_mesh_reader->Update();
vtkPolyData *rank_mesh = rank_mesh_reader->GetOutput();

this->assertPolyEquals(rank_mesh, expected_rank_mesh);
} else {
ADD_FAILURE() << fmt::format("Cannot test rank mesh file (not generated)");
}

// 3.2 object mesh file
fmt::print("Testing object mesh .vtp file\n");

// 3.2.1 Compare raw vtp files
auto object_mesh_content = Util::getFileContent(object_mesh_file);
auto expected_object_mesh_content = Util::getFileContent(expected_object_mesh_file);
ASSERT_EQ(expected_object_mesh_content, object_mesh_content) << fmt::format("object mesh file content differs from expected at phase {}", i);

// 3.2.2 Compare polydata using vtkXMLPolyDataReader
vtkNew<vtkXMLPolyDataReader> expected_object_mesh_reader;
expected_object_mesh_reader->SetFileName(expected_object_mesh_file.c_str());
expected_object_mesh_reader->Update();
vtkPolyData *expected_object_mesh = expected_object_mesh_reader->GetOutput();

vtkNew<vtkXMLPolyDataReader> object_mesh_reader;
object_mesh_reader->SetFileName(object_mesh_file.c_str());
object_mesh_reader->Update();
vtkPolyData *object_mesh = object_mesh_reader->GetOutput();

this->assertPolyEquals(object_mesh, expected_object_mesh);
fmt::print("Testing object mesh file {}\n", std::filesystem::path(object_mesh_file).filename());
if (std::filesystem::exists(object_mesh_file)) {
// 3.2.1 Compare raw vtp files
auto object_mesh_content = Util::getFileContent(object_mesh_file);
auto expected_object_mesh_content = Util::getFileContent(expected_object_mesh_file);
ASSERT_EQ(expected_object_mesh_content, object_mesh_content) << fmt::format("object mesh file content differs from expected at phase {}", i);

// 3.2.2 Compare polydata using vtkXMLPolyDataReader
vtkNew<vtkXMLPolyDataReader> expected_object_mesh_reader;
expected_object_mesh_reader->SetFileName(expected_object_mesh_file.c_str());
expected_object_mesh_reader->Update();
vtkPolyData *expected_object_mesh = expected_object_mesh_reader->GetOutput();

vtkNew<vtkXMLPolyDataReader> object_mesh_reader;
object_mesh_reader->SetFileName(object_mesh_file.c_str());
object_mesh_reader->Update();
vtkPolyData *object_mesh = object_mesh_reader->GetOutput();

this->assertPolyEquals(object_mesh, expected_object_mesh);
} else {
ADD_FAILURE() << fmt::format("Cannot test object mesh file (not generated)");
}

fmt::print("----- Finished testing phase {} -----\n", i);
}
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