cleveractors-core/robot/registry_cache_integration.robot

*** Settings ***
Documentation     Integration tests for the RegistryCache against a fake server.
Library           RegistryCacheLib.py
Library           RegistryClientLib.py
Library           Process
Library           OperatingSystem
Suite Setup       Start Fake Registry Server
Suite Teardown    Stop Fake Registry Server

*** Variables ***
${FAKE_SERVER_HOST}    127.0.0.1
${FAKE_SERVER_PORT}    ${9292}
${VALID_PKG_ID}        pkg_act_a1b2c3d4e5f67890abcdef1234567890abcdefab
${OTHER_PKG_ID}        pkg_tpl_1111111111111111111111111111111111111111
${THIRD_PKG_ID}        pkg_tpl_2222222222222222222222222222222222222222
${NONEXIST_PKG_ID}     pkg_act_deadbeef00000000000000000000000000000000

*** Keywords ***
Start Fake Registry Server
    [Documentation]    Launch a fake registry server as a subprocess.
    Start Process
    ...    python    robot${/}fake_registry_server.py    ${FAKE_SERVER_HOST}    ${FAKE_SERVER_PORT}
    ...    alias=fake_registry
    Sleep    0.5s
    ${server_url}=    Set Variable    http://${FAKE_SERVER_HOST}:${FAKE_SERVER_PORT}
    Set Suite Variable    ${SERVER_URL}    ${server_url}

Stop Fake Registry Server
    [Documentation]    Stop the fake server subprocess.
    Terminate Process    fake_registry    kill=${True}

*** Test Cases ***
Cache Hit Returns Stored Content Without HTTP Call
    [Documentation]    Second get_package call should return from cache (hit=1).
    Create Registry Cache    ${SERVER_URL}
    Cache Get Package    ${VALID_PKG_ID}
    Cache Get Package    ${VALID_PKG_ID}
    Cache Stats Hits Equals    1
    Cache Stats Misses Equals    1

Cache Miss Increments On First Access
    [Documentation]    First get_package call counts as a miss.
    Create Registry Cache    ${SERVER_URL}
    Cache Get Package    ${VALID_PKG_ID}
    Cache Stats Misses Equals    1
    Cache Stats Hits Equals    0

LRU Eviction Evicts Least Recently Used
    [Documentation]    When max_size=2 and 3 entries are loaded, the LRU is evicted.
    Create Registry Cache With Config    ${SERVER_URL}    2    300
    Cache Get Package    ${VALID_PKG_ID}
    Cache Get Package    ${OTHER_PKG_ID}
    Cache Stats Evictions Equals    0
    Cache Get Package    ${THIRD_PKG_ID}
    Cache Stats Evictions Equals    1
    Cache Should Not Contain    ${VALID_PKG_ID}
    Cache Should Contain    ${OTHER_PKG_ID}
    Cache Should Contain    ${THIRD_PKG_ID}

Cache Invalidate Removes Entry
    [Documentation]    Invalidating a cached entry returns True.
    Create Registry Cache    ${SERVER_URL}
    Cache Get Package    ${VALID_PKG_ID}
    Cache Invalidate    ${VALID_PKG_ID}
    Invalidate Result Should Be    True

Cache Invalidate Missing Returns False
    [Documentation]    Invalidating a non-existent entry returns False.
    Create Registry Cache    ${SERVER_URL}
    Cache Invalidate    ${NONEXIST_PKG_ID}
    Invalidate Result Should Be    False

Cache Clear Resets Statistics
    [Documentation]    clear() resets hits and misses to 0.
    Create Registry Cache    ${SERVER_URL}
    Cache Get Package    ${VALID_PKG_ID}
    Cache Clear
    Cache Stats Hits Equals    0
    Cache Stats Misses Equals    0

Cache Close Works Cleanly
    [Documentation]    close() shuts down the underlying client and cache.
    Create Registry Cache    ${SERVER_URL}
    Close Cache