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require 'spec_helper'
describe Clusters::CreateService do
let(:access_token) { 'xxx' }
let(:user) { create(:user) }
let(:service) { described_class.new(user, params) }
describe '#execute' do
before do
allow(ClusterProvisionWorker).to receive(:perform_async)
end
shared_context 'valid cluster create params' do
let(:params) do
{
name: 'test-cluster',
provider_type: :gcp,
provider_gcp_attributes: {
gcp_project_id: 'gcp-project',
zone: 'us-central1-a',
num_nodes: 1,
machine_type: 'machine_type-a',
legacy_abac: 'true'
}
}
end
end
shared_context 'invalid cluster create params' do
let(:params) do
{
name: 'test-cluster',
provider_type: :gcp,
provider_gcp_attributes: {
gcp_project_id: '!!!!!!!',
zone: 'us-central1-a',
num_nodes: 1,
machine_type: 'machine_type-a'
}
}
end
end
shared_examples 'create cluster service success' do
it 'creates a cluster object and performs a worker' do
expect(ClusterProvisionWorker).to receive(:perform_async)
expect { subject }
.to change { Clusters::Cluster.count }.by(1)
.and change { Clusters::Providers::Gcp.count }.by(1)
expect(subject.name).to eq('test-cluster')
expect(subject.user).to eq(user)
expect(subject.provider.gcp_project_id).to eq('gcp-project')
expect(subject.provider.zone).to eq('us-central1-a')
expect(subject.provider.num_nodes).to eq(1)
expect(subject.provider.machine_type).to eq('machine_type-a')
expect(subject.provider.access_token).to eq(access_token)
expect(subject.provider).to be_legacy_abac
expect(subject.platform).to be_nil
end
end
shared_examples 'create cluster service error' do
it 'returns an error' do
expect(ClusterProvisionWorker).not_to receive(:perform_async)
expect { subject }.to change { Clusters::Cluster.count }.by(0)
expect(subject.errors[:"provider_gcp.gcp_project_id"]).to be_present
end
end
context 'create cluster for project' do
let(:project) { create(:project) }
subject { service.execute(project: project, access_token: access_token) }
context 'when project has no clusters' do
context 'when correct params' do
include_context 'valid cluster create params'
include_examples 'create cluster service success'
it 'associates project to the cluster' do
expect(subject.project).to eq(project)
end
end
context 'when invalid params' do
include_context 'invalid cluster create params'
include_examples 'create cluster service error'
end
end
context 'when project has a cluster' do
include_context 'valid cluster create params'
let!(:cluster) { create(:cluster, :provided_by_gcp, :production_environment, projects: [project]) }
it 'does not create a cluster' do
expect(ClusterProvisionWorker).not_to receive(:perform_async)
expect { subject }.to raise_error(ArgumentError).and change { Clusters::Cluster.count }.by(0)
end
end
end
end
end
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