1 files changed, 115 insertions, 0 deletions
diff --git a/deps/rabbitmq_cli/test/ctl/clear_user_limits_command_test.exs b/deps/rabbitmq_cli/test/ctl/clear_user_limits_command_test.exs
new file mode 100644
index 0000000000..eb05a875bc
--- /dev/null
+++ b/deps/rabbitmq_cli/test/ctl/clear_user_limits_command_test.exs
@@ -0,0 +1,115 @@
+## This Source Code Form is subject to the terms of the Mozilla Public
+## License, v. 2.0. If a copy of the MPL was not distributed with this
+## file, You can obtain one at https://mozilla.org/MPL/2.0/.
+##
+## Copyright (c) 2020 VMware, Inc. or its affiliates.  All rights reserved.
+
+defmodule ClearUserLimitsCommandTest do
+  use ExUnit.Case, async: false
+  import TestHelper
+
+  @command RabbitMQ.CLI.Ctl.Commands.ClearUserLimitsCommand
+
+  @user "someone"
+  @password "password"
+  @limittype "max-channels"
+  @channel_definition "{\"max-channels\":100}"
+  @definition "{\"max-channels\":500, \"max-connections\":100}"
+
+  setup_all do
+    RabbitMQ.CLI.Core.Distribution.start()
+
+    add_user @user, @password
+
+    on_exit([], fn ->
+      delete_user @user
+    end)
+
+    :ok
+  end
+
+  setup context do
+    on_exit(context, fn ->
+      clear_user_limits(context[:user])
+    end)
+
+    {
+      :ok,
+      opts: %{
+        node: get_rabbit_hostname()
+      }
+    }
+  end
+
+  test "validate: providing too few arguments fails validation" do
+    assert @command.validate([], %{}) == {:validation_failure, :not_enough_args}
+    assert @command.validate(["not-enough"], %{}) == {:validation_failure, :not_enough_args}
+  end
+
+  test "validate: providing too many arguments fails validation" do
+    assert @command.validate(["is", "too", "many"], %{}) == {:validation_failure, :too_many_args}
+    assert @command.validate(["this", "is", "too", "many"], %{}) == {:validation_failure, :too_many_args}
+  end
+
+  test "run: an unreachable node throws a badrpc" do
+    opts = %{node: :jake@thedog, timeout: 200}
+
+    assert match?({:badrpc, _}, @command.run([@user, @limittype], opts))
+  end
+
+  test "run: if limit exists, returns ok and clears it", context do
+    :ok = set_user_limits(@user, @channel_definition)
+
+    assert get_user_limits(@user) != []
+
+    assert @command.run(
+      [@user, @limittype],
+      context[:opts]
+    ) == :ok
+
+    assert get_user_limits(@user) == %{}
+  end
+
+  test "run: if limit exists, returns ok and clears all limits for the given user", context do
+    :ok = set_user_limits(@user, @definition)
+
+    assert get_user_limits(@user) != []
+
+    assert @command.run(
+      [@user, "all"],
+      context[:opts]
+    ) == :ok
+
+    assert get_user_limits(@user) == %{}
+  end
+
+  @tag user: "bad-user"
+  test "run: a non-existent user returns an error", context do
+
+    assert @command.run(
+      [context[:user], @limittype],
+      context[:opts]
+    ) == {:error, {:no_such_user, "bad-user"}}
+  end
+
+  test "banner: for a limit type", context do
+
+    s = @command.banner(
+      [@user, @limittype],
+      context[:opts]
+    )
+
+    assert s == "Clearing \"#{@limittype}\" limit for user \"#{@user}\" ..."
+  end
+
+  test "banner: for all", context do
+
+    s = @command.banner(
+      [@user, "all"],
+      context[:opts]
+    )
+
+    assert s == "Clearing all limits for user \"#{@user}\" ..."
+  end
+
+end