simple-nixos-fediverse/tests/pixelfed-garage.nix

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{ pkgs, self }:
let
lib = pkgs.lib;
rebuildableTest = import ./rebuildableTest.nix pkgs;
seleniumScript = pkgs.writers.writePython3Bin "selenium-script"
{
libraries = with pkgs.python3Packages; [ selenium ];
} ''
import sys
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.wait import WebDriverWait
from selenium.webdriver.chrome.options import Options
print("starting selenium script")
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email = sys.argv[1]
password = sys.argv[2]
green_path = "${./green.png}"
screenshot_path = "/home/seleniumUser/screenshot.png"
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# Create and configure driver. It is important to set the window size such that
# the “Create New Post” button is visible.
print("Create and configure driver...")
options = Options()
options.add_argument("--headless=new")
service = webdriver.ChromeService(executable_path="${lib.getExe pkgs.chromedriver}") # noqa: E501
driver = webdriver.Chrome(options=options, service=service)
driver.implicitly_wait(10)
driver.set_window_size(1920, 1200)
# FIXME: Replace the By.XPATH by By.CSS_SELECTOR.
# Go to Pixelfed and login.
print("Open login page...")
driver.get("http://pixelfed.localhost/login")
print("Enter email...")
driver.find_element(By.ID, "email").send_keys(email)
print("Enter password...")
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...")
driver.find_element(By.XPATH, "//button[normalize-space()='Login']").click()
# Find the new post form, fill it in with our pictureand a caption.
print("Click on Create New Post...")
driver.find_element(By.LINK_TEXT, "Create New Post").click()
print("Add file to input element...")
driver.find_element(By.XPATH, "//input[@type='file']").send_keys(green_path)
print("Click on Post button...")
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...")
WebDriverWait(driver, timeout=10).until(
lambda d: d.execute_script(
"return arguments[0].complete",
d.find_element(
By.XPATH, "//div[@class='timeline-status-component-content']//img"
),
)
)
print("Take screenshot...")
if not driver.save_screenshot(screenshot_path):
raise Exception("selenium could not save screenshot")
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print("Quitting...")
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driver.quit()
print("All done!")
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'';
in
pkgs.nixosTest {
name = "test-pixelfed-garage";
nodes = {
server = { config, ... }: {
virtualisation = {
memorySize = lib.mkVMOverride 8192;
cores = 8;
};
imports = with self.nixosModules; [
garage
pixelfed
pixelfed-vm
];
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# TODO: pair down
environment.systemPackages = with pkgs; [
python3
chromium
chromedriver
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xh
seleniumScript
helix
imagemagick
];
environment.variables = {
POST_MEDIA = ./green.png;
# AWS_ACCESS_KEY_ID = config.services.garage.ensureKeys.pixelfed.id;
# AWS_SECRET_ACCESS_KEY = config.services.garage.ensureKeys.pixelfed.secret;
};
# chrome does not like being run as root
users.users.seleniumUser = {
isNormalUser = true;
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};
};
};
testScript = ''
import re
# import time
server.start()
with subtest("Pixelfed starts"):
server.wait_for_unit("phpfpm-pixelfed.service")
# make sure pixelfed is fully up and running before we interact with it
# TODO: is there a way to test for this?
# REVIEW: this is copied from the Mastodon test; Pixelfed might be faster to start up.
# time.sleep(180)
# # REVIEW: not sure why necessary. if it is, could we push this into the installation?
# # FIXME: this is an interactive command; look into flags to make it non-interactive
# with subtest("Passport install"):
# server.succeed("pixelfed-manage passport:install")
with subtest("Account creation"):
password = "testtest"
server.succeed(f"pixelfed-manage user:create --name=test --username=test --email=test@test.com --password={password} --confirm_email=1")
# # REVIEW: do we actually need TTY?
# with subtest("TTY Login"):
# server.wait_until_tty_matches("1", "login: ")
# server.send_chars("root\n");
# with subtest("Log in with toot"):
# # toot doesn't provide a way to just specify our login details as arguments, so we have to pretend we're typing them in at the prompt
# server.send_chars("toot login_cli --instance http://mastodon.localhost:55001 --email test@test.com\n")
# server.wait_until_tty_matches("1", "Password: ")
# server.send_chars(password + "\n")
# server.wait_until_tty_matches("1", "Successfully logged in.")
# with subtest("post text"):
# server.succeed("echo 'hello mastodon' | toot post")
# with subtest("post image"):
# server.succeed("toot post --media $POST_MEDIA")
# with subtest("access garage"):
# server.succeed("mc alias set pixelfed http://s3.garage.localhost:3900 --api s3v4 --path off $AWS_ACCESS_KEY_ID $AWS_SECRET_ACCESS_KEY")
# server.succeed("mc ls garage/pixelfed")
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# with subtest("access image in garage"):
# image = server.succeed("mc find garage --regex original")
# image = image.rstrip()
# if image == "":
# raise Exception("image posted to pixelfed did not get stored in garage")
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# server.succeed(f"mc cat {image} >/garage-image.webp")
# garage_image_hash = server.succeed("identify -quiet -format '%#' /garage-image.webp")
# image_hash = server.succeed("identify -quiet -format '%#' $POST_MEDIA")
# if garage_image_hash != image_hash:
# raise Exception("image stored in garage did not match image uploaded")
# with subtest("Content security policy allows garage images"):
# headers = server.succeed("xh -h http://mastodon.localhost:55001/public/local")
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# csp_match = None
# # I can't figure out re.MULTILINE
# for header in headers.split("\n"):
# csp_match = re.match('^Content-Security-Policy: (.*)$', header)
# if csp_match is not None:
# break
# if csp_match is None:
# raise Exception("pixelfed did not send a content security policy header")
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# csp = csp_match.group(1)
# # the img-src content security policy should include the garage server
# garage_csp = re.match(".*; img-src[^;]*web\.garage\.localhost:3902.*", csp)
# if garage_csp is None:
# raise Exception("Pixelfed's content security policy does not include garage server. image will not be displayed properly on pixelfed.")
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# NOTE: This could in theory give a false positive if pixelfed changes it's
# colorscheme to include pure green. (see same problem in pixelfed-garage.nix).
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# 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(f"su - seleniumUser -c 'selenium-script test@test.com {password}'")
server.copy_from_vm("/home/seleniumUser/screenshot.png", "")
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displayed_colors = server.succeed("convert /screenshot.png -define histogram:unique-colors=true -format %c histogram:info:")
# check that the green image displayed somewhere
green_check = re.match(".*#00FF00.*", displayed_colors, re.S)
if green_check is None:
raise Exception("cannot detect the uploaded image on pixelfed page.")
'';
}