Adding upstream version 3.1.0.

Signed-off-by: Daniel Baumann <daniel@debian.org>

tests/features/steps/wrappers.py

@@ -0,0 +1,67 @@
+import re
+import pexpect
+from pgcli.main import COLOR_CODE_REGEX
+import textwrap
+
+try:
+    from StringIO import StringIO
+except ImportError:
+    from io import StringIO
+
+
+def expect_exact(context, expected, timeout):
+    timedout = False
+    try:
+        context.cli.expect_exact(expected, timeout=timeout)
+    except pexpect.TIMEOUT:
+        timedout = True
+    if timedout:
+        # Strip color codes out of the output.
+        actual = re.sub(r"\x1b\[([0-9A-Za-z;?])+[m|K]?", "", context.cli.before)
+        raise Exception(
+            textwrap.dedent(
+                """\
+                Expected:
+                ---
+                {0!r}
+                ---
+                Actual:
+                ---
+                {1!r}
+                ---
+                Full log:
+                ---
+                {2!r}
+                ---
+            """
+            ).format(expected, actual, context.logfile.getvalue())
+        )
+
+
+def expect_pager(context, expected, timeout):
+    expect_exact(
+        context,
+        "{0}\r\n{1}{0}\r\n".format(context.conf["pager_boundary"], expected),
+        timeout=timeout,
+    )
+
+
+def run_cli(context, run_args=None, prompt_check=True, currentdb=None):
+    """Run the process using pexpect."""
+    run_args = run_args or []
+    cli_cmd = context.conf.get("cli_command")
+    cmd_parts = [cli_cmd] + run_args
+    cmd = " ".join(cmd_parts)
+    context.cli = pexpect.spawnu(cmd, cwd=context.package_root)
+    context.logfile = StringIO()
+    context.cli.logfile = context.logfile
+    context.exit_sent = False
+    context.currentdb = currentdb or context.conf["dbname"]
+    context.cli.sendline("\pset pager always")
+    if prompt_check:
+        wait_prompt(context)
+
+
+def wait_prompt(context):
+    """Make sure prompt is displayed."""
+    expect_exact(context, "{0}> ".format(context.conf["dbname"]), timeout=5)