Integration test for external bug trackers. Refs #1079

- build and run Docker image for Bugzilla, initialize bugs

.github/workflows/integration_bugtracker.yml

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+name: 'integration / bugtracker'
+
+on:
+  push:
+    branches: master
+  pull_request:
+
+jobs:
+  bugzilla:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [3.7]
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v1
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Build & run docker containers
+      run: |
+        docker-compose -f tests/docker-compose.bugtrackers build
+        docker-compose -f tests/docker-compose.bugtrackers up -d
+        sleep 10
+
+        BUGZILLA_ADDR=`docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' bugzilla_example_bg`
+        sudo sh -c "echo '$BUGZILLA_ADDR    bugzilla.example.bg' >> /etc/hosts"
+
+    - name: Initialize Bugzilla
+      run: |
+        pip install -r requirements/tarballs.txt
+        ./tests/bugzilla/initialize-data

tests/bugzilla/Dockerfile

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+FROM fedora
+
+RUN dnf -y install bugzilla "perl(DBD::SQLite)" findutils
+# install optional modules, incl. XMLRPC
+RUN /usr/share/bugzilla/checksetup.pl --check-modules 2>/dev/null | grep "dnf install" | cut -f2-99 -d: | sed "s/dnf install//" | xargs dnf -y install
+RUN /usr/share/bugzilla/checksetup.pl --check-modules
+
+COPY . /root/
+RUN patch -b /usr/share/bugzilla/Bugzilla/Util.pm /root/Util.pm.patch
+
+# generate /etc/bugzilla/localconfig
+RUN /usr/share/bugzilla/checksetup.pl /root/checksetup_answers.txt
+
+
+EXPOSE 80
+CMD /usr/sbin/httpd -DFOREGROUND

tests/bugzilla/Util.pm.patch

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+--- /usr/share/bugzilla/Bugzilla/Util.pm.orig	2020-05-13 15:25:00.031963484 +0300
++++ /usr/share/bugzilla/Bugzilla/Util.pm	2020-05-13 15:31:54.668329481 +0300
+@@ -106,7 +106,8 @@
+     # |U+200e|Left-To-Right Mark        |0xe2 0x80 0x8e      |
+     # |U+200f|Right-To-Left Mark        |0xe2 0x80 0x8f      |
+     # --------------------------------------------------------
+-    $var =~ tr/\x{202a}-\x{202e}//d;
++    # workaround for https://bugzilla.mozilla.org/show_bug.cgi?id=1588175
++    # $var =~ tr/\x{202a}-\x{202e}//d;
+   }
+   return $var;
+ }

tests/bugzilla/checksetup_answers.txt

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+$answer{'ADMIN_EMAIL'} = 'admin@bugzilla.bugs';
+$answer{'ADMIN_LOGIN'} = 'admin';
+$answer{'ADMIN_OK'} = 'Y';
+$answer{'ADMIN_PASSWORD'} = 'password';
+$answer{'ADMIN_REALNAME'} = 'QA Admin';
+$answer{'NO_PAUSE'} = 1;
+$answer{'apache_size_limit'} = 700000;
+$answer{'create_htaccess'} = 1;
+$answer{'db_check'} = 1;
+$answer{'db_driver'} = 'sqlite';
+$answer{'db_host'} = 'localhost';
+$answer{'db_mysql_ssl_ca_file'} = '';
+$answer{'db_mysql_ssl_ca_path'} = '';
+$answer{'db_mysql_ssl_client_cert'} = '';
+$answer{'db_mysql_ssl_client_key'} = '';
+$answer{'db_name'} = 'bugs',
+$answer{'db_pass'} = 'bugs';
+$answer{'db_port'} = 0;
+$answer{'db_sock'} = '';
+$answer{'db_user'} = 'bugs';
+$answer{'diffpath'} = '/usr/bin';
+$answer{'index_html'} = 0;
+$answer{'interdiffbin'} = '/usr/bin/interdiff';
+$answer{'urlbase'} = 'http://bugzilla.example.bg/bugzilla/';
+$answer{'use_suexec'} = 0;
+$answer{'webservergroup'} = 'apache';

tests/bugzilla/initialize-data

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+#!/bin/bash
+
+BZ_URL="http://bugzilla.example.bg/bugzilla/xmlrpc.cgi"
+BZ_USER="admin@bugzilla.bugs"
+BZ_PASS="password"
+
+# this is Bug #1
+bugzilla --bugzilla $BZ_URL --username $BZ_USER --password $BZ_PASS --ensure-logged-in \
+    new --product TestProduct --version unspecified --component TestComponent \
+    --summary 'Hello World' --comment 'This is reported via cli' \
+    --os Linux  --arch All

tests/docker-compose.bugtrackers

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+version: '3'
+
+services:
+    # build ourselves b/c bugzilla/docker-bugzilla-dev
+    # is too old and doesn't work
+    bugzilla_example_bg:
+        container_name: bugzilla_example_bg
+        build:
+          context: ./bugzilla/
+          dockerfile: Dockerfile
+        image: kiwitcms/bugzilla
+        restart: always