Slightly clean up tests, add new amd64 autopkgtest which checks a livefs.

debian/changelog

@@ -1,3 +1,9 @@
+snapd-extra-utils (1.1.0) UNRELEASED; urgency=medium
+
+  * Slightly clean up tests, add new amd64 autopkgtest which checks a livefs.
+
+ -- Simon Quigley <tsimonq2@ubuntu.com>  Sun, 16 Feb 2025 13:36:41 -0600
+
 snapd-extra-utils (1.0.7) plucky; urgency=medium
 
   * Add several extra Breaks/Replaces to be safe.

debian/tests/control

@@ -1,3 +1,3 @@
 Test-Command: snapd-seed-glue/tests/snapd_seed_glue_test
-Depends: snapd-seed-glue, tree
-Restrictions: needs-internet, build-needed
+Depends: snapd-seed-glue, tree, livecd-rootfs [amd64]
+Restrictions: needs-internet, build-needed, isolation-machine, needs-sudo

snapd-seed-glue/tests/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.16)
 project(snapd_seed_glue_test)
 
 set(CMAKE_CXX_STANDARD 23)

snapd-seed-glue/tests/cli-tests.cpp

@@ -1,4 +1,4 @@
-// Copyright (C) 2024 Simon Quigley <tsimonq2@ubuntu.com>
+// Copyright (C) 2024-2025 Simon Quigley <tsimonq2@ubuntu.com>
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License
@@ -10,14 +10,21 @@
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
-#include <iostream>
-#include <string>
-#include <vector>
-#include <cstdlib>
-#include <cstdio>
 #include <array>
+#include <cstdio>
+#include <cstdlib>
+#include <format>
+#include <fstream>
+#include <iostream>
 #include <stdexcept>
+#include <string>
 #include <utility>
+#include <vector>
+
+#if defined(__x86_64__) || defined(__amd64__)
+#include <filesystem>
+#include <unistd.h>
+#endif
 
 std::string OUTPUT_FILE_CONTENTS;
 
@@ -39,28 +46,33 @@ std::pair<std::string, int> execute_command(const std::string& cmd) {
 }
 
 void confirm_success() {
-    if (OUTPUT_FILE_CONTENTS.find("Cleanup and validation completed") != std::string::npos) {
-        // Success, clear OUTPUT_FILE_CONTENTS
-        OUTPUT_FILE_CONTENTS.clear();
-    } else {
-        exit(1);
-    }
+    if (OUTPUT_FILE_CONTENTS.find("Cleanup and validation completed") != std::string::npos) OUTPUT_FILE_CONTENTS.clear();
+    else exit(1);
 }
 
-void run_snapd_seed_glue(const std::vector<std::string>& args) {
-    std::string cmd = "snapd-seed-glue/snapd-seed-glue --verbose --seed hello_test";
-    for (const auto& arg : args) {
-        cmd += " " + arg;
-    }
+void run_snapd_seed_glue(const std::vector<std::string>& args, const std::string& dir = "") {
+    std::string cmd;
+    if (!dir.empty()) cmd = std::format("snapd-seed-glue/snapd-seed-glue --verbose --seed {}", dir);
+    else cmd = "snapd-seed-glue/snapd-seed-glue --verbose --seed hello_test";
+    for (const auto& arg : args) cmd += " " + arg;
+
     auto [output, exit_code] = execute_command(cmd);
-    // Append output to OUTPUT_FILE_CONTENTS
     OUTPUT_FILE_CONTENTS += output;
-    if (exit_code != 0) {
-        exit(1);
-    }
+    if (exit_code != 0) exit(exit_code);
     confirm_success();
 }
 
+#if defined(__x86_64__) || defined(__amd64__)
+std::string get_version_codename() {
+    std::ifstream file("/etc/os-release");
+    if (!file.is_open()) return {};
+    std::string line;
+    constexpr std::string_view key = "VERSION_CODENAME=";
+    while (std::getline(file, line)) if (line.starts_with(key)) return line.substr(key.size());
+    return "";
+}
+#endif
+
 int main() {
     std::cout << "[snapd-seed-glue autopkgtest] Testing snapd-seed-glue with hello...\n";
     run_snapd_seed_glue({"hello"});
@@ -76,13 +88,38 @@ int main() {
     std::string cmd = "/usr/bin/snapd-seed-glue --verbose --seed test_dir " + invalid_snap;
     auto [output, exit_code] = execute_command(cmd);
     OUTPUT_FILE_CONTENTS += output;
-    if (exit_code != 0) {
-        std::cout << "Fail expected\n";
-    }
-    if (OUTPUT_FILE_CONTENTS.find("cannot install snap \"" + invalid_snap + "\": snap not found") != std::string::npos) {
-        // Expected error message found
-    } else {
-        exit(1);
+    if (exit_code != 0) std::cout << "Fail expected\n";
+    if (OUTPUT_FILE_CONTENTS.find("cannot install snap \"" + invalid_snap + "\": snap not found") == std::string::npos) exit(1);
+
+#if defined(__x86_64__) || defined(__amd64__)
+    std::cout << "[snapd-seed-glue autopkgtest] Confirm that a livefs can be created, and snapd-seed-glue can be used...\n";
+    // Logic taken from lp:launchpad-buildd/lpbuildd/target/build_livefs.py
+    setenv("PROJECT", "lubuntu", 1);
+    setenv("ARCH", "amd64", 1);
+    setenv("SUITE", get_version_codename().c_str(), 1);
+
+    if (!std::filesystem::create_directory("auto")) exit(1);
+    for (std::string lb_script : {"config", "build", "clean"}) {
+        auto [link_output, link_exit_code] = execute_command(std::format("ln -s /usr/share/livecd-rootfs/live-build/auto/{} auto/", lb_script));
+        if (link_exit_code != 0) exit(link_exit_code);
     }
+    auto [clean_output, clean_exit_code] = execute_command("sudo -E lb clean --purge");
+    if (clean_exit_code != 0) exit(clean_exit_code);
+    auto [config_output, config_exit_code] = execute_command("lb config");
+    if (config_exit_code != 0) exit(config_exit_code);
+    auto [build_output, build_exit_code] = execute_command("sudo -E lb build");
+    if (build_exit_code != 0) exit(build_exit_code);
+    auto [unsquashfs_output, unsquashfs_exit_code] = execute_command("sudo unsquashfs livecd.lubuntu.minimal.standard.squashfs /var/lib/snapd/seed/");
+    if (unsquashfs_exit_code != 0) exit(unsquashfs_exit_code);
+    auto [clean2_output, clean2_exit_code] = execute_command("sudo -E lb clean --purge");
+    if (clean2_exit_code != 0) exit(clean2_exit_code);
+    auto [chown_output, chown_exit_code] = execute_command(std::format("sudo chown -R {}:{} squashfs-root/", getuid(), getgid()));
+    if (chown_exit_code != 0) exit(chown_exit_code);
+
+    std::cout << "[snapd-seed-glue autopkgtest] A livefs can be created. Confirm snapd-seed-glue can be used...\n";
+    run_snapd_seed_glue({"firefox", "firmware-updater"}, "squashfs-root/var/lib/snapd/seed/");
+    run_snapd_seed_glue({"firefox", "firmware-updater", "krita", "thunderbird"}, "squashfs-root/var/lib/snapd/seed/");
+#endif
+
     return 0;
 }