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# frozen_string_literal: true
require_relative 'test_helper'
require 'open3'
# Unit tests for the ExecCredentials provider
class ExecCredentialsTest < Minitest::Test
def test_exec_opts_missing
expected_msg =
'exec options are required'
exception = assert_raises(ArgumentError) do
Kubeclient::ExecCredentials.run(nil)
end
assert_equal(expected_msg, exception.message)
end
def test_exec_command_missing
expected_msg =
'exec command is required'
exception = assert_raises(KeyError) do
Kubeclient::ExecCredentials.run({})
end
assert_equal(expected_msg, exception.message)
end
def test_exec_command_failure
err = 'Error'
expected_msg =
"exec command failed: #{err}"
st = Minitest::Mock.new
st.expect(:success?, false)
opts = { 'command' => 'dummy' }
Open3.stub(:capture3, [nil, err, st]) do
exception = assert_raises(RuntimeError) do
Kubeclient::ExecCredentials.run(opts)
end
assert_equal(expected_msg, exception.message)
end
end
def test_run_with_token_credentials
opts = { 'command' => 'dummy' }
credentials = {
'token' => '0123456789ABCDEF0123456789ABCDEF'
}
creds = JSON.dump(
'apiVersion' => 'client.authentication.k8s.io/v1alpha1',
'status' => credentials
)
st = Minitest::Mock.new
st.expect(:success?, true)
Open3.stub(:capture3, [creds, nil, st]) do
assert_equal(credentials, Kubeclient::ExecCredentials.run(opts))
end
end
def test_run_with_client_credentials
opts = { 'command' => 'dummy' }
credentials = {
'clientCertificateData' => '0123456789ABCDEF0123456789ABCDEF',
'clientKeyData' => '0123456789ABCDEF0123456789ABCDEF'
}
creds = JSON.dump(
'apiVersion' => 'client.authentication.k8s.io/v1alpha1',
'status' => credentials
)
st = Minitest::Mock.new
st.expect(:success?, true)
Open3.stub(:capture3, [creds, nil, st]) do
assert_equal(credentials, Kubeclient::ExecCredentials.run(opts))
end
end
def test_run_with_missing_client_certificate_data
opts = { 'command' => 'dummy' }
credentials = {
'clientKeyData' => '0123456789ABCDEF0123456789ABCDEF'
}
creds = JSON.dump(
'apiVersion' => 'client.authentication.k8s.io/v1alpha1',
'status' => credentials
)
st = Minitest::Mock.new
st.expect(:success?, true)
expected_msg = 'exec plugin didn\'t return client certificate data'
Open3.stub(:capture3, [creds, nil, st]) do
exception = assert_raises(RuntimeError) do
Kubeclient::ExecCredentials.run(opts)
end
assert_equal(expected_msg, exception.message)
end
end
def test_run_with_missing_client_key_data
opts = { 'command' => 'dummy' }
credentials = {
'clientCertificateData' => '0123456789ABCDEF0123456789ABCDEF'
}
creds = JSON.dump(
'apiVersion' => 'client.authentication.k8s.io/v1alpha1',
'status' => credentials
)
st = Minitest::Mock.new
st.expect(:success?, true)
expected_msg = 'exec plugin didn\'t return client key data'
Open3.stub(:capture3, [creds, nil, st]) do
exception = assert_raises(RuntimeError) do
Kubeclient::ExecCredentials.run(opts)
end
assert_equal(expected_msg, exception.message)
end
end
def test_run_with_client_data_and_token
opts = { 'command' => 'dummy' }
credentials = {
'clientCertificateData' => '0123456789ABCDEF0123456789ABCDEF',
'clientKeyData' => '0123456789ABCDEF0123456789ABCDEF',
'token' => '0123456789ABCDEF0123456789ABCDEF'
}
creds = JSON.dump(
'apiVersion' => 'client.authentication.k8s.io/v1alpha1',
'status' => credentials
)
st = Minitest::Mock.new
st.expect(:success?, true)
expected_msg = 'exec plugin returned both token and client data'
Open3.stub(:capture3, [creds, nil, st]) do
exception = assert_raises(RuntimeError) do
Kubeclient::ExecCredentials.run(opts)
end
assert_equal(expected_msg, exception.message)
end
end
def test_status_missing
opts = { 'command' => 'dummy' }
creds = JSON.dump('apiVersion' => 'client.authentication.k8s.io/v1alpha1')
st = Minitest::Mock.new
st.expect(:success?, true)
expected_msg = 'exec plugin didn\'t return a status field'
Open3.stub(:capture3, [creds, nil, st]) do
exception = assert_raises(RuntimeError) do
Kubeclient::ExecCredentials.run(opts)
end
assert_equal(expected_msg, exception.message)
end
end
def test_credentials_missing
opts = { 'command' => 'dummy' }
creds = JSON.dump(
'apiVersion' => 'client.authentication.k8s.io/v1alpha1',
'status' => {}
)
st = Minitest::Mock.new
st.expect(:success?, true)
expected_msg = 'exec plugin didn\'t return a token or client data'
Open3.stub(:capture3, [creds, nil, st]) do
exception = assert_raises(RuntimeError) do
Kubeclient::ExecCredentials.run(opts)
end
assert_equal(expected_msg, exception.message)
end
end
def test_api_version_mismatch
api_version = 'client.authentication.k8s.io/v1alpha1'
expected_version = 'client.authentication.k8s.io/v1beta1'
opts = {
'command' => 'dummy',
'apiVersion' => expected_version
}
creds = JSON.dump(
'apiVersion' => api_version
)
st = Minitest::Mock.new
st.expect(:success?, true)
expected_msg = "exec plugin is configured to use API version #{expected_version}," \
" plugin returned version #{api_version}"
Open3.stub(:capture3, [creds, nil, st]) do
exception = assert_raises(RuntimeError) do
Kubeclient::ExecCredentials.run(opts)
end
assert_equal(expected_msg, exception.message)
end
end
end
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