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# frozen_string_literal: true
require 'spec_helper'
describe ::PodLogs::BaseService do
include KubernetesHelpers
let_it_be(:cluster) { create(:cluster, :provided_by_gcp, environment_scope: '*') }
let(:namespace) { 'autodevops-deploy-9-production' }
let(:pod_name) { 'pod-1' }
let(:container_name) { 'container-0' }
let(:params) { {} }
let(:raw_pods) do
JSON.parse([
kube_pod(name: pod_name)
].to_json, object_class: OpenStruct)
end
subject { described_class.new(cluster, namespace, params: params) }
describe '#initialize' do
let(:params) do
{
'container_name' => container_name,
'another_param' => 'foo'
}
end
it 'filters the parameters' do
expect(subject.cluster).to eq(cluster)
expect(subject.namespace).to eq(namespace)
expect(subject.params).to eq({
'container_name' => container_name
})
expect(subject.params.equal?(params)).to be(false)
end
end
describe '#check_arguments' do
context 'when cluster and namespace are provided' do
it 'returns success' do
result = subject.send(:check_arguments, {})
expect(result[:status]).to eq(:success)
end
end
context 'when cluster is nil' do
let(:cluster) { nil }
it 'returns an error' do
result = subject.send(:check_arguments, {})
expect(result[:status]).to eq(:error)
expect(result[:message]).to eq('Cluster does not exist')
end
end
context 'when namespace is nil' do
let(:namespace) { nil }
it 'returns an error' do
result = subject.send(:check_arguments, {})
expect(result[:status]).to eq(:error)
expect(result[:message]).to eq('Namespace is empty')
end
end
context 'when namespace is empty' do
let(:namespace) { '' }
it 'returns an error' do
result = subject.send(:check_arguments, {})
expect(result[:status]).to eq(:error)
expect(result[:message]).to eq('Namespace is empty')
end
end
end
describe '#check_param_lengths' do
context 'when pod_name and container_name are provided' do
let(:params) do
{
'pod_name' => pod_name,
'container_name' => container_name
}
end
it 'returns success' do
result = subject.send(:check_param_lengths, {})
expect(result[:status]).to eq(:success)
expect(result[:pod_name]).to eq(pod_name)
expect(result[:container_name]).to eq(container_name)
end
end
context 'when pod_name is too long' do
let(:params) do
{
'pod_name' => "a very long string." * 15
}
end
it 'returns an error' do
result = subject.send(:check_param_lengths, {})
expect(result[:status]).to eq(:error)
expect(result[:message]).to eq('pod_name cannot be larger than 253 chars')
end
end
context 'when container_name is too long' do
let(:params) do
{
'container_name' => "a very long string." * 15
}
end
it 'returns an error' do
result = subject.send(:check_param_lengths, {})
expect(result[:status]).to eq(:error)
expect(result[:message]).to eq('container_name cannot be larger than 253 chars')
end
end
end
describe '#get_raw_pods' do
let(:service) { create(:cluster_platform_kubernetes, :configured) }
it 'returns success with passthrough k8s response' do
stub_kubeclient_pods(namespace)
result = subject.send(:get_raw_pods, {})
expect(result[:status]).to eq(:success)
expect(result[:raw_pods].first).to be_a(Kubeclient::Resource)
end
end
describe '#get_pod_names' do
it 'returns success with a list of pods' do
result = subject.send(:get_pod_names, raw_pods: raw_pods)
expect(result[:status]).to eq(:success)
expect(result[:pods]).to eq([pod_name])
end
end
describe '#check_pod_name' do
it 'returns success if pod_name was specified' do
result = subject.send(:check_pod_name, pod_name: pod_name, pods: [pod_name])
expect(result[:status]).to eq(:success)
expect(result[:pod_name]).to eq(pod_name)
end
it 'returns success if pod_name was not specified but there are pods' do
result = subject.send(:check_pod_name, pod_name: nil, pods: [pod_name])
expect(result[:status]).to eq(:success)
expect(result[:pod_name]).to eq(pod_name)
end
it 'returns error if pod_name was not specified and there are no pods' do
result = subject.send(:check_pod_name, pod_name: nil, pods: [])
expect(result[:status]).to eq(:error)
expect(result[:message]).to eq('No pods available')
end
it 'returns error if pod_name was specified but does not exist' do
result = subject.send(:check_pod_name, pod_name: 'another_pod', pods: [pod_name])
expect(result[:status]).to eq(:error)
expect(result[:message]).to eq('Pod does not exist')
end
end
describe '#check_container_name' do
it 'returns success if container_name was specified' do
result = subject.send(:check_container_name,
container_name: container_name,
pod_name: pod_name,
raw_pods: raw_pods
)
expect(result[:status]).to eq(:success)
expect(result[:container_name]).to eq(container_name)
end
it 'returns success if container_name was not specified and there are containers' do
result = subject.send(:check_container_name,
pod_name: pod_name,
raw_pods: raw_pods
)
expect(result[:status]).to eq(:success)
expect(result[:container_name]).to eq(container_name)
end
it 'returns error if container_name was not specified and there are no containers on the pod' do
raw_pods.first.spec.containers = []
result = subject.send(:check_container_name,
pod_name: pod_name,
raw_pods: raw_pods
)
expect(result[:status]).to eq(:error)
expect(result[:message]).to eq('No containers available')
end
it 'returns error if container_name was specified but does not exist' do
result = subject.send(:check_container_name,
container_name: 'foo',
pod_name: pod_name,
raw_pods: raw_pods
)
expect(result[:status]).to eq(:error)
expect(result[:message]).to eq('Container does not exist')
end
end
end
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