1 files changed, 227 insertions, 0 deletions
diff --git a/tests/features/environment.py b/tests/features/environment.py
new file mode 100644
index 0000000..50ac5fa
--- /dev/null
+++ b/tests/features/environment.py
@@ -0,0 +1,227 @@
+import copy
+import os
+import sys
+import db_utils as dbutils
+import fixture_utils as fixutils
+import pexpect
+import tempfile
+import shutil
+import signal
+
+
+from steps import wrappers
+
+
+def before_all(context):
+    """Set env parameters."""
+    env_old = copy.deepcopy(dict(os.environ))
+    os.environ["LINES"] = "100"
+    os.environ["COLUMNS"] = "100"
+    os.environ["PAGER"] = "cat"
+    os.environ["EDITOR"] = "ex"
+    os.environ["VISUAL"] = "ex"
+    os.environ["PROMPT_TOOLKIT_NO_CPR"] = "1"
+
+    context.package_root = os.path.abspath(
+        os.path.dirname(os.path.dirname(os.path.dirname(__file__)))
+    )
+    fixture_dir = os.path.join(context.package_root, "tests/features/fixture_data")
+
+    print("package root:", context.package_root)
+    print("fixture dir:", fixture_dir)
+
+    os.environ["COVERAGE_PROCESS_START"] = os.path.join(
+        context.package_root, ".coveragerc"
+    )
+
+    context.exit_sent = False
+
+    vi = "_".join([str(x) for x in sys.version_info[:3]])
+    db_name = context.config.userdata.get("pg_test_db", "pgcli_behave_tests")
+    db_name_full = f"{db_name}_{vi}"
+
+    # Store get params from config.
+    context.conf = {
+        "host": context.config.userdata.get(
+            "pg_test_host", os.getenv("PGHOST", "localhost")
+        ),
+        "user": context.config.userdata.get(
+            "pg_test_user", os.getenv("PGUSER", "postgres")
+        ),
+        "pass": context.config.userdata.get(
+            "pg_test_pass", os.getenv("PGPASSWORD", None)
+        ),
+        "port": context.config.userdata.get(
+            "pg_test_port", os.getenv("PGPORT", "5432")
+        ),
+        "cli_command": (
+            context.config.userdata.get("pg_cli_command", None)
+            or '{python} -c "{startup}"'.format(
+                python=sys.executable,
+                startup="; ".join(
+                    [
+                        "import coverage",
+                        "coverage.process_startup()",
+                        "import pgcli.main",
+                        "pgcli.main.cli(auto_envvar_prefix='BEHAVE')",
+                    ]
+                ),
+            )
+        ),
+        "dbname": db_name_full,
+        "dbname_tmp": db_name_full + "_tmp",
+        "vi": vi,
+        "pager_boundary": "---boundary---",
+    }
+    os.environ["PAGER"] = "{0} {1} {2}".format(
+        sys.executable,
+        os.path.join(context.package_root, "tests/features/wrappager.py"),
+        context.conf["pager_boundary"],
+    )
+
+    # Store old env vars.
+    context.pgenv = {
+        "PGDATABASE": os.environ.get("PGDATABASE", None),
+        "PGUSER": os.environ.get("PGUSER", None),
+        "PGHOST": os.environ.get("PGHOST", None),
+        "PGPASSWORD": os.environ.get("PGPASSWORD", None),
+        "PGPORT": os.environ.get("PGPORT", None),
+        "XDG_CONFIG_HOME": os.environ.get("XDG_CONFIG_HOME", None),
+        "PGSERVICEFILE": os.environ.get("PGSERVICEFILE", None),
+    }
+
+    # Set new env vars.
+    os.environ["PGDATABASE"] = context.conf["dbname"]
+    os.environ["PGUSER"] = context.conf["user"]
+    os.environ["PGHOST"] = context.conf["host"]
+    os.environ["PGPORT"] = context.conf["port"]
+    os.environ["PGSERVICEFILE"] = os.path.join(fixture_dir, "mock_pg_service.conf")
+
+    if context.conf["pass"]:
+        os.environ["PGPASSWORD"] = context.conf["pass"]
+    else:
+        if "PGPASSWORD" in os.environ:
+            del os.environ["PGPASSWORD"]
+    os.environ["BEHAVE_WARN"] = "moderate"
+
+    context.cn = dbutils.create_db(
+        context.conf["host"],
+        context.conf["user"],
+        context.conf["pass"],
+        context.conf["dbname"],
+        context.conf["port"],
+    )
+    context.pgbouncer_available = dbutils.pgbouncer_available(
+        hostname=context.conf["host"],
+        password=context.conf["pass"],
+        username=context.conf["user"],
+    )
+    context.fixture_data = fixutils.read_fixture_files()
+
+    # use temporary directory as config home
+    context.env_config_home = tempfile.mkdtemp(prefix="pgcli_home_")
+    os.environ["XDG_CONFIG_HOME"] = context.env_config_home
+    show_env_changes(env_old, dict(os.environ))
+
+
+def show_env_changes(env_old, env_new):
+    """Print out all test-specific env values."""
+    print("--- os.environ changed values: ---")
+    all_keys = env_old.keys() | env_new.keys()
+    for k in sorted(all_keys):
+        old_value = env_old.get(k, "")
+        new_value = env_new.get(k, "")
+        if new_value and old_value != new_value:
+            print(f'{k}="{new_value}"')
+    print("-" * 20)
+
+
+def after_all(context):
+    """
+    Unset env parameters.
+    """
+    dbutils.close_cn(context.cn)
+    dbutils.drop_db(
+        context.conf["host"],
+        context.conf["user"],
+        context.conf["pass"],
+        context.conf["dbname"],
+        context.conf["port"],
+    )
+
+    # Remove temp config directory
+    shutil.rmtree(context.env_config_home)
+
+    # Restore env vars.
+    for k, v in context.pgenv.items():
+        if k in os.environ and v is None:
+            del os.environ[k]
+        elif v:
+            os.environ[k] = v
+
+
+def before_step(context, _):
+    context.atprompt = False
+
+
+def is_known_problem(scenario):
+    """TODO: why is this not working in 3.12?"""
+    if sys.version_info >= (3, 12):
+        return scenario.name in (
+            'interrupt current query via "ctrl + c"',
+            "run the cli with --username",
+            "run the cli with --user",
+            "run the cli with --port",
+        )
+    return False
+
+
+def before_scenario(context, scenario):
+    if scenario.name == "list databases":
+        # not using the cli for that
+        return
+    if is_known_problem(scenario):
+        scenario.skip()
+    currentdb = None
+    if "pgbouncer" in scenario.feature.tags:
+        if context.pgbouncer_available:
+            os.environ["PGDATABASE"] = "pgbouncer"
+            os.environ["PGPORT"] = "6432"
+            currentdb = "pgbouncer"
+        else:
+            scenario.skip()
+    else:
+        # set env vars back to normal test database
+        os.environ["PGDATABASE"] = context.conf["dbname"]
+        os.environ["PGPORT"] = context.conf["port"]
+    wrappers.run_cli(context, currentdb=currentdb)
+    wrappers.wait_prompt(context)
+
+
+def after_scenario(context, scenario):
+    """Cleans up after each scenario completes."""
+    if hasattr(context, "cli") and context.cli and not context.exit_sent:
+        # Quit nicely.
+        if not getattr(context, "atprompt", False):
+            dbname = context.currentdb
+            context.cli.expect_exact(f"{dbname}>", timeout=5)
+        try:
+            context.cli.sendcontrol("c")
+            context.cli.sendcontrol("d")
+        except Exception as x:
+            print("Failed cleanup after scenario:")
+            print(x)
+        try:
+            context.cli.expect_exact(pexpect.EOF, timeout=5)
+        except pexpect.TIMEOUT:
+            print(f"--- after_scenario {scenario.name}: kill cli")
+            context.cli.kill(signal.SIGKILL)
+    if hasattr(context, "tmpfile_sql_help") and context.tmpfile_sql_help:
+        context.tmpfile_sql_help.close()
+        context.tmpfile_sql_help = None
+
+
+# # TODO: uncomment to debug a failure
+# def after_step(context, step):
+#     if step.status == "failed":
+#         import pdb; pdb.set_trace()