[autopkgtest] Convert the snapd-seed-glue autopkgtest to C++.

ubuntu/plucky
Simon Quigley 2 months ago
parent 72527214a2
commit 0e4925cf0b

6
debian/changelog vendored

@ -1,3 +1,9 @@
snapd-extra-utils (1.0.5) UNRELEASED; urgency=medium
* [autopkgtest] Convert the snapd-seed-glue autopkgtest to C++.
-- Simon Quigley <tsimonq2@ubuntu.com> Sun, 24 Nov 2024 23:07:39 -0600
snapd-extra-utils (1.0.4) plucky; urgency=medium snapd-extra-utils (1.0.4) plucky; urgency=medium
* [autopkgtest] Use snaps that are available on all arches, to fix armhf, * [autopkgtest] Use snaps that are available on all arches, to fix armhf,

3
debian/rules vendored

@ -9,4 +9,5 @@ export GOCACHE=$(CURDIR)/.gocache
override_dh_auto_build: override_dh_auto_build:
(cd snapd-seed-glue && go build -gcflags="all=-N -l" -ldflags="-compressdwarf=false" -o snapd-seed-glue) (cd snapd-seed-glue && go build -gcflags="all=-N -l" -ldflags="-compressdwarf=false" -o snapd-seed-glue)
(cd snapd-installation-monitor && cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo . && make) (cd snapd-seed-glue/tests && cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo . && make -j2 && mv snapd_seed_glue_test ../../debian/tests/snapd-seed-glue)
(cd snapd-installation-monitor && cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo . && make -j2)

@ -1,40 +0,0 @@
#!/bin/bash
set -e
# File to track command output, so we can check for successful completion
OUTPUT_FILE=$(mktemp)
# If the command output does not contain a final confirmation of success, exit 1
confirm_success () {
if grep -q "Cleanup and validation completed" "$OUTPUT_FILE"; then
rm -f "$OUTPUT_FILE"
else
exit 1
fi
}
# Function to run snapd-seed-glue with given arguments
run_snapd_seed_glue () {
/usr/bin/snapd-seed-glue --verbose --seed hello_test "$@" > >(tee -a "$OUTPUT_FILE") 2>&1
confirm_success
}
echo "[snapd-seed-glue autopkgtest] Testing snapd-seed-glue with hello..."
run_snapd_seed_glue hello
echo "[snapd-seed-glue autopkgtest] Add htop to the same seed..."
run_snapd_seed_glue hello htop
echo "[snapd-seed-glue autopkgtest] Remove htop and replace it with btop..."
run_snapd_seed_glue hello btop
echo "[snapd-seed-glue autopkgtest] Confirm that non-existent snaps will fail..."
/usr/bin/snapd-seed-glue --verbose --seed test_dir absolutelyridiculouslongnamethatwilldefinitelyneverexist > >(tee -a "$OUTPUT_FILE") 2>&1 || echo "Fail expected"
if ! grep -q "cannot install snap \"absolutelyridiculouslongnamethatwilldefinitelyneverexist\": snap not found" "$OUTPUT_FILE"; then
exit 1
fi

@ -0,0 +1,7 @@
cmake_minimum_required(VERSION 3.14)
project(snapd_seed_glue_test)
set(CMAKE_CXX_STANDARD 23)
set(CMAKE_CXX_STANDARD_REQUIRED True)
add_executable(snapd_seed_glue_test cli-tests.cpp)

@ -0,0 +1,88 @@
// Copyright (C) 2024 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
// as published by the Free Software Foundation; either version 3
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// 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 <stdexcept>
#include <utility>
std::string OUTPUT_FILE_CONTENTS;
std::pair<std::string, int> execute_command(const std::string& cmd) {
std::array<char, 128> buffer{};
std::string result;
// Redirect stderr to stdout
std::string cmd_with_redirect = cmd + " 2>&1";
FILE* pipe = popen(cmd_with_redirect.c_str(), "r");
if (!pipe) throw std::runtime_error("popen() failed!");
while (fgets(buffer.data(), buffer.size(), pipe) != nullptr) {
result += buffer.data();
// Also echo the output to stdout
std::cout << buffer.data();
}
int rc = pclose(pipe);
int exit_code = WEXITSTATUS(rc);
return {result, exit_code};
}
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);
}
}
void run_snapd_seed_glue(const std::vector<std::string>& args) {
std::string cmd = "/usr/bin/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);
}
confirm_success();
}
int main() {
std::cout << "[snapd-seed-glue autopkgtest] Testing snapd-seed-glue with hello...\n";
run_snapd_seed_glue({"hello"});
std::cout << "[snapd-seed-glue autopkgtest] Add htop to the same seed...\n";
run_snapd_seed_glue({"hello", "htop"});
std::cout << "[snapd-seed-glue autopkgtest] Remove htop and replace it with btop...\n";
run_snapd_seed_glue({"hello", "btop"});
std::cout << "[snapd-seed-glue autopkgtest] Confirm that non-existent snaps will fail...\n";
std::string invalid_snap = "absolutelyridiculouslongnamethatwilldefinitelyneverexist";
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);
}
return 0;
}
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