qois.cloud: add basic test (WIP)

nixos-modules/cloud/test.nix

@@ -0,0 +1,35 @@
+{
+  ...
+}:
+{
+  # Note: This extends the default configuration from ${self}/checks/nixos-modules
+  nodes.webserver =
+    { pkgs, lib, ... }:
+    let
+      inherit (pkgs) curl gnugrep;
+      inherit (lib) mkForce genAttrs const;
+    in
+    {
+      qois.cloud = {
+        enable = true;
+        domain = "cloud.example.com";
+        package = pkgs.nextcloud31;
+        adminpassFile = (pkgs.writeText "nextcloud-test-adminpass-file" "super secret password").outPath;
+      };
+
+      qois.postgresql.package = pkgs.postgresql;
+      sops.secrets = mkForce { };
+
+      # Disable TLS services
+      services.nginx.virtualHosts = genAttrs [ "cloud.example.com" ] (const {
+        forceSSL = mkForce false;
+        enableACME = mkForce false;
+      });
+
+      # Test environment
+      environment.systemPackages = [
+        curl
+        gnugrep
+      ];
+    };
+}

nixos-modules/cloud/test.py

@@ -0,0 +1,32 @@
+def test(subtest, webserver):
+    webserver.wait_for_unit("nginx")
+    webserver.wait_for_open_port(80)
+
+    # Helpers
+    def curl_variable_test(node, variable, expected, url):
+        value = node.succeed(
+            f"curl -s --no-location -o /dev/null -w '%{{{variable}}}' '{url}'"
+        )
+        assert value == expected, (
+            f"expected {variable} to be '{expected}' but got '{value}'"
+        )
+
+    def expect_http_code(node, code, url):
+        curl_variable_test(node, "http_code", code, url)
+
+    def expect_http_content_contains(node, expectedContentSnippet, url):
+        content = node.succeed(f"curl --no-location --silent '{url}'")
+        assert expectedContentSnippet in content, f"""
+                expected in content:
+                  {expectedContentSnippet}
+                at {url} but got following content:
+                  {content}
+            """
+
+    # Tests
+    with subtest("website is successfully served on cloud.example.com"):
+        webserver.succeed("grep cloud.example.com /etc/hosts")
+        expect_http_code(webserver, "200", "http://cloud.example.com")
+        expect_http_content_contains(
+            webserver, "Log in to cloud.qoo.is", "http://docs.example.com"
+        )