test: scan

tests/unit/scan_test.cpp

@@ -0,0 +1,64 @@
+#include <filesystem>
+#include <fstream>
+
+#include <gtest/gtest.h>
+
+#include "scan.hpp"
+
+namespace {
+    std::filesystem::path test_data_path(const std::string &filename) {
+        const auto here = std::filesystem::path(__FILE__).parent_path();
+        return here.parent_path() / "data" / filename;
+    }
+
+    TEST(Scan, ReadsAllSupportedTypes) {
+        std::ifstream input(test_data_path("test-scan-1.txt"));
+        ASSERT_TRUE(input.is_open());
+
+        const auto result = wavefront::scan(input);
+
+        EXPECT_EQ(result.total_lines, 26u);
+        EXPECT_EQ(result.line_data.size(), 21u);
+
+        EXPECT_TRUE(result.category_map.contains("v"));
+        EXPECT_TRUE(result.category_map.contains("vn"));
+        EXPECT_TRUE(result.category_map.contains("vt"));
+        EXPECT_TRUE(result.category_map.contains("f"));
+
+        EXPECT_EQ(result.category_map.at("v").size(), 10u);
+        EXPECT_EQ(result.category_map.at("vn").size(), 4u);
+        EXPECT_EQ(result.category_map.at("vt").size(), 3u);
+        EXPECT_EQ(result.category_map.at("f").size(), 5u);
+    }
+
+    TEST(Scan, FiltersByObject) {
+        std::ifstream input(test_data_path("test-scan-1.txt"));
+        ASSERT_TRUE(input.is_open());
+
+        const auto result = wavefront::scan(input, {"test"});
+
+        EXPECT_EQ(result.category_map.at("f").size(), 4u);
+        EXPECT_EQ(result.category_map.at("f")[0], 19u);
+        EXPECT_EQ(result.category_map.at("f")[1], 21u);
+    }
+
+    TEST(Scan, FiltersByGroup) {
+        std::ifstream input(test_data_path("test-scan-1.txt"));
+        ASSERT_TRUE(input.is_open());
+
+        const auto result = wavefront::scan(input, {}, {"test"});
+
+        EXPECT_EQ(result.category_map.at("f").size(), 3u);
+        EXPECT_EQ(result.category_map.at("f")[0], 21u);
+    }
+
+    TEST(Scan, FiltersByObjectAndGroup) {
+        std::ifstream input(test_data_path("test-scan-1.txt"));
+        ASSERT_TRUE(input.is_open());
+
+        const auto result = wavefront::scan(input, {"test"}, {"test"});
+
+        EXPECT_EQ(result.category_map.at("f").size(), 3u);
+        EXPECT_EQ(result.category_map.at("f")[0], 21u);
+    }
+}