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Full rework of the Pixelfed test

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This commit is contained in:
Nicolas Jeannerod 2025-01-27 17:50:42 +01:00
parent e4ad4e266c
commit a4cba3f697
Signed by untrusted user: Niols
GPG key ID: 35DB9EC8886E1CB8
3 changed files with 192 additions and 223 deletions
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2
services/flake-part.nix
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@ -8,8 +8,8 @@
{
checks = {
mastodon = import ./tests/mastodon.nix { inherit self pkgs; };
pixelfed-garage = import ./tests/pixelfed-garage.nix { inherit self pkgs; };
peertube = import ./tests/peertube.nix { inherit self pkgs; };
pixelfed = import ./tests/pixelfed.nix { inherit self pkgs; };
};
};
}

222
services/tests/pixelfed-garage.nix
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@ -1,222 +0,0 @@
{ pkgs, self }:
let
lib = pkgs.lib;
## FIXME: this binding was not used but maybe we want a side effect or something?
# rebuildableTest = import ./rebuildableTest.nix pkgs;
email = "test@test.com";
password = "testtest";
# FIXME: Replace all the By.XPATH by By.CSS_SELECTOR.
seleniumImports = ''
import sys
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.chrome.options import Options
'';
seleniumSetup = ''
print("Create and configure driver...", file=sys.stderr)
options = Options()
# options.add_argument("--headless=new")
service = webdriver.ChromeService(executable_path="${lib.getExe pkgs.chromedriver}") # noqa: E501
driver = webdriver.Chrome(options=options, service=service)
driver.implicitly_wait(30)
driver.set_window_size(1280, 960)
'';
seleniumPixelfedLogin = ''
print("Open login page...", file=sys.stderr)
driver.get("http://pixelfed.localhost/login")
print("Enter email...", file=sys.stderr)
driver.find_element(By.ID, "email").send_keys("${email}")
print("Enter password...", file=sys.stderr)
driver.find_element(By.ID, "password").send_keys("${password}")
# FIXME: This is disgusting. Find instead the input type submit in the form
# with action ending in "/login".
print("Click “Login” button...", file=sys.stderr)
driver.find_element(By.XPATH, "//button[normalize-space()='Login']").click()
'';
## NOTE: `path` must be a valid python string, either a variable or _quoted_.
seleniumTakeScreenshot = path: ''
print("Take screenshot...", file=sys.stderr)
if not driver.save_screenshot(${path}):
raise Exception("selenium could not save screenshot")
'';
seleniumQuit = ''
print("Quitting...", file=sys.stderr)
driver.quit()
'';
seleniumScriptPostPicture =
pkgs.writers.writePython3Bin "selenium-script-post-picture"
{ libraries = with pkgs.python3Packages; [ selenium ]; }
''
import os
import time
${seleniumImports}
from selenium.webdriver.support.wait import WebDriverWait
${seleniumSetup}
${seleniumPixelfedLogin}
time.sleep(3)
media_path = os.environ['POST_MEDIA']
# Find the new post form, fill it in with our pictureand a caption.
print("Click on “Create New Post”...", file=sys.stderr)
driver.find_element(By.LINK_TEXT, "Create New Post").click()
print("Add file to input element...", file=sys.stderr)
driver.find_element(By.XPATH, "//input[@type='file']").send_keys(media_path)
print("Add a caption", file=sys.stderr)
driver.find_element(By.CSS_SELECTOR, ".media-body textarea").send_keys(
"Fediversity test of image upload to pixelfed with garage storage."
)
time.sleep(3)
print("Click on “Post” button...", file=sys.stderr)
driver.find_element(By.LINK_TEXT, "Post").click()
# Wait until the post loads, and in particular its picture, then take a
# screenshot of the whole page.
print("Wait for post and image to be loaded...", file=sys.stderr)
img = driver.find_element(
By.XPATH,
"//div[@class='timeline-status-component-content']//img"
)
WebDriverWait(driver, timeout=10).until(
lambda d: d.execute_script("return arguments[0].complete", img)
)
time.sleep(3)
${seleniumTakeScreenshot "\"/home/selenium/screenshot.png\""}
${seleniumQuit}'';
seleniumScriptGetSrc =
pkgs.writers.writePython3Bin "selenium-script-get-src"
{ libraries = with pkgs.python3Packages; [ selenium ]; }
''
${seleniumImports}
${seleniumSetup}
${seleniumPixelfedLogin}
img = driver.find_element(
By.XPATH,
"//div[@class='timeline-status-component-content']//img"
)
# REVIEW: Need to wait for it to be loaded?
print(img.get_attribute('src'))
${seleniumQuit}'';
in
pkgs.nixosTest {
name = "test-pixelfed-garage";
nodes = {
server =
{ config, ... }:
{
services = {
xserver = {
enable = true;
displayManager.lightdm.enable = true;
desktopManager.lxqt.enable = true;
};
displayManager.autoLogin = {
enable = true;
user = "selenium";
};
};
virtualisation.resolution = {
x = 1680;
y = 1050;
};
virtualisation = {
memorySize = lib.mkVMOverride 8192;
cores = 8;
};
imports = with self.nixosModules; [
fediversity
../vm/garage-vm.nix
../vm/pixelfed-vm.nix
];
# TODO: pair down
environment.systemPackages = with pkgs; [
python3
chromium
chromedriver
xh
seleniumScriptPostPicture
seleniumScriptGetSrc
helix
imagemagick
];
environment.variables = {
POST_MEDIA = ./fediversity.png;
AWS_ACCESS_KEY_ID = config.services.garage.ensureKeys.pixelfed.id;
AWS_SECRET_ACCESS_KEY = config.services.garage.ensureKeys.pixelfed.secret;
## without this we get frivolous errors in the logs
MC_REGION = "garage";
};
# chrome does not like being run as root
users.users.selenium = {
isNormalUser = true;
};
};
};
testScript =
{ nodes, ... }:
''
import re
server.start()
with subtest("Pixelfed starts"):
server.wait_for_unit("phpfpm-pixelfed.service")
with subtest("Account creation"):
server.succeed("pixelfed-manage user:create --name=test --username=test --email=${email} --password=${password} --confirm_email=1")
# NOTE: This could in theory give a false positive if pixelfed changes it's
# colorscheme to include pure green. (see same problem in mastodon-garage.nix).
# TODO: For instance: post a red image and check that the green pixel IS NOT
# there, then post a green image and check that the green pixel IS there.
with subtest("Image displays"):
server.succeed("su - selenium -c 'selenium-script-post-picture ${email} ${password}'")
server.copy_from_vm("/home/selenium/screenshot.png", "")
displayed_colors = server.succeed("magick /home/selenium/screenshot.png -define histogram:unique-colors=true -format %c histogram:info:")
# check that the green image displayed somewhere
image_check = re.match(".*#FF0500.*", displayed_colors, re.S)
if image_check is None:
raise Exception("cannot detect the uploaded image on pixelfed page.")
with subtest("access garage"):
server.succeed("mc alias set garage ${nodes.server.fediversity.internal.garage.api.url} --api s3v4 --path off $AWS_ACCESS_KEY_ID $AWS_SECRET_ACCESS_KEY")
server.succeed("mc ls garage/pixelfed")
with subtest("access image in garage"):
image = server.succeed("mc find garage --regex '\\.png' --ignore '*_thumb.png'")
image = image.rstrip()
if image == "":
raise Exception("image posted to Pixelfed did not get stored in garage")
server.succeed(f"mc cat {image} >/garage-image.png")
garage_image_hash = server.succeed("identify -quiet -format '%#' /garage-image.png")
image_hash = server.succeed("identify -quiet -format '%#' $POST_MEDIA")
if garage_image_hash != image_hash:
raise Exception("image stored in garage did not match image uploaded")
with subtest("Check that image comes from garage"):
src = server.succeed("su - selenium -c 'selenium-script-get-src ${email} ${password}'")
if not src.startswith("${nodes.server.fediversity.internal.garage.web.urlForBucket "pixelfed"}"):
raise Exception("image does not come from garage")
'';
}

191
services/tests/pixelfed.nix Normal file
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@ -0,0 +1,191 @@
{ pkgs, self }:
let
lib = pkgs.lib;
email = "test@test.com";
password = "testtest";
testPicture = pkgs.copyPathToStore ./green.png;
testPictureColour = "#00FF00";
seleniumScriptPostPicture =
garageBucketUrl:
pkgs.writers.writePython3Bin "selenium-script-post-picture"
{
libraries = with pkgs.python3Packages; [ selenium ];
flakeIgnore = [
"E302"
"E305"
"E501" # welcome to the 21st century
];
}
''
import re
import subprocess
import sys
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.firefox.options import Options
from selenium.webdriver.support.ui import WebDriverWait
print("Create and configure driver...", file=sys.stderr)
options = Options()
options.add_argument("--headless")
service = webdriver.FirefoxService(executable_path="${lib.getExe pkgs.geckodriver}")
driver = webdriver.Firefox(options=options, service=service)
driver.set_window_size(4096, 2160)
driver.implicitly_wait(360)
wait = WebDriverWait(driver, timeout=720, poll_frequency=60)
############################################################
# Login
print("Open login page...", file=sys.stderr)
driver.get("http://pixelfed.localhost/login")
print("Enter email...", file=sys.stderr)
driver.find_element(By.ID, "email").send_keys("${email}")
print("Enter password...", file=sys.stderr)
driver.find_element(By.ID, "password").send_keys("${password}")
print("Click “Login” button...", file=sys.stderr)
driver.find_element(By.XPATH, "//button[normalize-space()='Login']").click()
############################################################
# Post picture
# Find the new post form, fill it in with our picture.
print("Click on “Create New Post”...", file=sys.stderr)
driver.find_element(By.LINK_TEXT, "Create New Post").click()
print("Add file to input element...", file=sys.stderr)
driver.find_element(By.XPATH, "//input[@type='file']").send_keys("${testPicture}")
print("Click on “Post” button...", file=sys.stderr)
driver.find_element(By.LINK_TEXT, "Post").click()
# Wait until the post loads, and in particular its picture, then take a
# screenshot of the whole page.
print("Wait for post and picture to be loaded...", file=sys.stderr)
img = driver.find_element(By.XPATH, "//div[@class='timeline-status-component-content']//img")
wait.until(lambda d: d.execute_script("return arguments[0].complete", img))
############################################################
# Check that the picture actually shows
def detect_picture_in_screen(d):
print(" Taking a screenshot...", file=sys.stderr)
d.save_screenshot("/home/selenium/screenshot.png")
print(" Checking it...", file=sys.stderr)
displayed_colours = subprocess.run(
[
"magick",
"/home/selenium/screenshot.png",
"-define",
"histogram:unique-colors=true",
"-format",
"%c",
"histogram:info:",
],
capture_output=True,
text=True,
check=True,
).stdout
result = bool(re.search("${testPictureColour}", displayed_colours, re.IGNORECASE))
if not result:
print(" Could not find the picture in the screenshot.", file=sys.stderr)
return result
print("Wait until the picture shows in screen...", file=sys.stderr)
wait.until(detect_picture_in_screen)
print("Picture detected!", file=sys.stderr)
############################################################
# Check that the picture gets to Garage
def detect_src_in_garage(d):
print(" Reload the timeline...", file=sys.stderr)
driver.get("http://pixelfed.localhost/")
print(" Getting the picture's src and checking it...", file=sys.stderr)
img = driver.find_element(By.XPATH, "//div[@class='timeline-status-component-content']//img")
result = img.get_attribute('src').startswith("${garageBucketUrl}")
if not result:
print(" The picture's src does not point to Garage.", file=sys.stderr)
return result
print("Wait until the picture's src points to Garage...", file=sys.stderr)
wait.until(detect_src_in_garage)
print("Picture's src points to Garage!", file=sys.stderr)
############################################################
print("Done; bye!", file=sys.stderr)
driver.close()
'';
in
pkgs.nixosTest {
name = "pixelfed";
nodes = {
server =
{ config, ... }:
{
imports = with self.nixosModules; [
fediversity
../vm/garage-vm.nix
../vm/pixelfed-vm.nix
../vm/interactive-vm.nix
];
environment.systemPackages = with pkgs; [
python3
firefox-unwrapped
geckodriver
xh
(seleniumScriptPostPicture (config.fediversity.internal.garage.web.urlForBucket "pixelfed"))
helix
imagemagick
];
environment.variables = {
AWS_ACCESS_KEY_ID = config.services.garage.ensureKeys.pixelfed.id;
AWS_SECRET_ACCESS_KEY = config.services.garage.ensureKeys.pixelfed.secret;
## without this we get frivolous errors in the logs
MC_REGION = "garage";
};
# Do not run Selenium scripts as root
users.users.selenium.isNormalUser = true;
};
};
testScript =
{ nodes, ... }:
''
server.start()
with subtest("Pixelfed starts"):
server.wait_for_unit("phpfpm-pixelfed.service")
server.succeed("pixelfed-manage user:create --name=test --username=test --email=${email} --password=${password} --confirm_email=1")
# NOTE: This could in theory give a false positive if pixelfed changes it's
# colorscheme to include pure green. (see same problem in mastodon-garage.nix).
# TODO: For instance: post a red picture and check that the green pixel IS NOT
# there, then post a green picture and check that the green pixel IS there.
with subtest("Post an picture in the browser"):
server.succeed("su - selenium -c 'selenium-script-post-picture ${email} ${password}'")
server.copy_from_vm("/home/selenium/screenshot.png", "")
with subtest("Find picture in garage"):
server.succeed("mc alias set garage ${nodes.server.fediversity.internal.garage.api.url} --api s3v4 --path off $AWS_ACCESS_KEY_ID $AWS_SECRET_ACCESS_KEY")
picture = server.succeed("mc find garage --regex '\\.png' --ignore '*_thumb.png'")
picture = picture.rstrip()
if picture == "":
raise Exception("Could not find any _thumb.png picture stored in Garage")
server.succeed(f"mc cat {picture} > /picture.png")
garage_hash = server.succeed("identify -quiet -format '%#' /picture.png")
hash = server.succeed("identify -quiet -format '%#' ${testPicture}")
if garage_hash != hash:
raise Exception("The picture stored in Garage does not correspond to the original one.")
'';
}