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Add other types of unit test to see usefulness of helper
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KnVerey committed Jan 10, 2018
1 parent 6e6626c commit 0ad2256
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1 change: 1 addition & 0 deletions test/fixtures/for_unit_tests/deployment_test.yml
Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@ metadata:
"deployment.kubernetes.io/revision": "1"
spec:
replicas: 3
progressDeadlineSeconds: 10
strategy:
type: RollingUpdate
rollingUpdate:
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Original file line number Diff line number Diff line change
Expand Up @@ -148,6 +148,84 @@ def test_deploy_succeeded_not_fooled_by_stale_rs_data_in_deploy_status
refute deploy.deploy_succeeded?
end

def test_deploy_timed_out_with_hard_timeout
Timecop.freeze do
deploy = build_synced_deployment(status: { "replicas" => 3, "conditions" => [] },
new_rs_status: { "replicas" => 1 }, max_unavail: 1)
deploy.deploy_started_at = Time.now.utc - KubernetesDeploy::Deployment::TIMEOUT
refute deploy.deploy_timed_out?

deploy.deploy_started_at = Time.now.utc - KubernetesDeploy::Deployment::TIMEOUT - 1
assert deploy.deploy_timed_out?
assert_equal "Timeout reason: hard deadline for Deployment\nLatest ReplicaSet: web-1",
deploy.timeout_message.strip
end
end

def test_deploy_timed_out_based_on_progress_deadline
Timecop.freeze do
status = {
"replicas" => 3,
"conditions" => [{
"type" => "Progressing",
"status" => 'False',
"lastUpdateTime" => Time.now.utc - 10.seconds,
"reason" => "Failed to progress"
}]
}
deploy = build_synced_deployment(status: status, new_rs_status: { "replicas" => 1 }, max_unavail: 1)
deploy.deploy_started_at = Time.now.utc - 3.minutes
deploy.kubectl.expects(:server_version).returns(Gem::Version.new("1.8"))

assert deploy.deploy_timed_out?
assert_equal "Timeout reason: Failed to progress\nLatest ReplicaSet: web-1", deploy.timeout_message.strip
end
end

def test_deploy_timed_out_based_on_progress_deadline_ignores_conditions_older_than_the_deploy
Timecop.freeze do
status = {
"replicas" => 3,
"conditions" => [{
"type" => "Progressing",
"status" => 'False',
"lastUpdateTime" => Time.now.utc - 10.seconds,
"reason" => "Failed to progress"
}]
}
deploy = build_synced_deployment(status: status, new_rs_status: { "replicas" => 1 }, max_unavail: 1)
deploy.kubectl.expects(:server_version).returns(Gem::Version.new("1.8")).at_least_once

deploy.deploy_started_at = nil # not started yet
refute deploy.deploy_timed_out?

deploy.deploy_started_at = Time.now.utc - 4.seconds # 10s ago is before deploy started
refute deploy.deploy_timed_out?

deploy.deploy_started_at = Time.now.utc - 5.seconds # 10s ago is "equal" to deploy time (fudge for clock skew)
assert deploy.deploy_timed_out?
end
end

def test_deploy_timed_out_based_on_progress_deadline_accommodates_stale_conditions_bug_in_k8s_176_and_lower
Timecop.freeze do
status = {
"replicas" => 3,
"conditions" => [{
"type" => "Progressing",
"status" => 'False',
"lastUpdateTime" => Time.now.utc - 5.seconds,
"reason" => "Failed to progress"
}]
}
deploy = build_synced_deployment(status: status, new_rs_status: { "replicas" => 1 }, max_unavail: 1)
deploy.deploy_started_at = Time.now.utc - 5.seconds # progress deadline of 10s has not elapsed
deploy.kubectl.expects(:server_version).returns(Gem::Version.new("1.7.6"))

refute deploy.deploy_timed_out?
end
end

private

def build_synced_deployment(status:, new_rs_status:, rollout: nil, max_unavail:)
Expand All @@ -173,10 +251,10 @@ def build_synced_deployment(status:, new_rs_status:, rollout: nil, max_unavail:)
"spec" => { "replicas" => new_rs_status["replicas"] },
"status" => new_rs_status
)
KubernetesDeploy::ReplicaSet.any_instance.expects(:kubectl).returns(deploy.kubectl)
deploy.kubectl.expects(:run).with("get", "pods", "-a", "--output=json", anything).returns(
['{ "items": [] }', "", SystemExit.new(0)]
)
KubernetesDeploy::ReplicaSet.any_instance.expects(:kubectl).returns(deploy.kubectl)
end

deploy.kubectl.expects(:run).with("get", "replicasets", "--output=json", anything).returns(
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