create a temporary project dir for tests

The project directory contains the website script as
configured through the test configuration. This means
that tests are now completely independet of any
configuration that may be contained in the build
directory.

Also removes the hack to inject additional settings via
a environment variable.

test/bdd/environment.py

@@ -20,7 +20,6 @@ userconfig = {
     'TEMPLATE_DB' : 'test_template_nominatim',
     'TEST_DB' : 'test_nominatim',
     'API_TEST_DB' : 'test_api_nominatim',
-    'TEST_SETTINGS_FILE' : '/tmp/nominatim_settings.php',
     'SERVER_MODULE_PATH' : None,
     'PHPCOV' : False, # set to output directory to enable code coverage
 }
@@ -43,15 +42,14 @@ class NominatimEnvironment(object):
         self.test_db = config['TEST_DB']
         self.api_test_db = config['API_TEST_DB']
         self.server_module_path = config['SERVER_MODULE_PATH']
-        self.local_settings_file = config['TEST_SETTINGS_FILE']
         self.reuse_template = not config['REMOVE_TEMPLATE']
         self.keep_scenario_db = config['KEEP_TEST_DB']
         self.code_coverage_path = config['PHPCOV']
         self.code_coverage_id = 1
         self.test_env = None
-        os.environ['NOMINATIM_SETTINGS'] = self.local_settings_file
 
         self.template_db_done = False
+        self.website_dir = None
 
     def connect_database(self, dbname):
         dbargs = {'database': dbname}
@@ -80,26 +78,24 @@ class NominatimEnvironment(object):
                  (';user=' + self.db_user) if self.db_user else '',
                  (';password=' + self.db_pass) if self.db_pass else ''
                  )
+
+        if self.website_dir is not None \
+           and self.test_env is not None \
+           and dsn == self.test_env['NOMINATIM_DATABASE_DSN']:
+            return # environment already set uo
+
         self.test_env = os.environ
         self.test_env['NOMINATIM_DATABASE_DSN'] = dsn
         self.test_env['NOMINATIM_FLATNODE_FILE'] = ''
         self.test_env['NOMINATIM_IMPORT_STYLE'] = 'full'
         self.test_env['NOMINATIM_USE_US_TIGER_DATA'] = 'yes'
 
-        f = open(self.local_settings_file, 'w')
-        # https://secure.php.net/manual/en/ref.pdo-pgsql.connection.php
-        f.write("<?php\n  @define('CONST_Database_DSN', '{}');\n".format(dsn))
-        f.write("@define('CONST_Osm2pgsql_Flatnode_File', null);\n")
-        f.write("@define('CONST_Import_Style', CONST_DataDir.'/settings/import-full.style');\n")
-        f.write("@define('CONST_Use_US_Tiger_Data', true);\n")
-        f.close()
+        if self.website_dir is not None:
+            self.website_dir.cleanup()
 
+        self.website_dir = tempfile.TemporaryDirectory()
+        self.run_setup_script('setup-website')
 
-    def cleanup(self):
-        try:
-            os.remove(self.local_settings_file)
-        except OSError:
-            pass # ignore missing file
 
     def db_drop_database(self, name):
         conn = self.connect_database('postgres')
@@ -203,7 +199,13 @@ class NominatimEnvironment(object):
         cmd.extend(['--%s' % x for x in args])
         for k, v in kwargs.items():
             cmd.extend(('--' + k.replace('_', '-'), str(v)))
-        proc = subprocess.Popen(cmd, cwd=self.build_dir, env=self.test_env,
+
+        if self.website_dir is not None:
+            cwd = self.website_dir.name
+        else:
+            cwd = self.build_dir
+
+        proc = subprocess.Popen(cmd, cwd=cwd, env=self.test_env,
                                 stdout=subprocess.PIPE, stderr=subprocess.PIPE)
         (outp, outerr) = proc.communicate()
         outerr = outerr.decode('utf-8').replace('\\n', '\n')
@@ -300,9 +302,6 @@ def before_all(context):
     context.nominatim = NominatimEnvironment(context.config.userdata)
     context.osm = OSMDataFactory()
 
-def after_all(context):
-    context.nominatim.cleanup()
-
 
 def before_scenario(context, scenario):
     if 'DB' in context.tags:

test/bdd/steps/queries.py

@@ -302,10 +302,9 @@ def send_api_query(endpoint, params, fmt, context):
 
     env['SCRIPT_NAME'] = '/%s.php' % endpoint
     env['REQUEST_URI'] = '%s?%s' % (env['SCRIPT_NAME'], env['QUERY_STRING'])
-    env['CONTEXT_DOCUMENT_ROOT'] = os.path.join(context.nominatim.build_dir, 'website')
+    env['CONTEXT_DOCUMENT_ROOT'] = os.path.join(context.nominatim.website_dir.name, 'website')
     env['SCRIPT_FILENAME'] = os.path.join(env['CONTEXT_DOCUMENT_ROOT'],
                                           '%s.php' % endpoint)
-    env['NOMINATIM_SETTINGS'] = context.nominatim.local_settings_file
 
     logger.debug("Environment:" + json.dumps(env, sort_keys=True, indent=2))
 
@@ -327,7 +326,7 @@ def send_api_query(endpoint, params, fmt, context):
     for k,v in params.items():
         cmd.append("%s=%s" % (k, v))
 
-    proc = subprocess.Popen(cmd, cwd=context.nominatim.build_dir, env=env,
+    proc = subprocess.Popen(cmd, cwd=context.nominatim.website_dir.name, env=env,
                             stdout=subprocess.PIPE, stderr=subprocess.PIPE)
 
     (outp, err) = proc.communicate()