*** Settings ***
Documentation     Integration tests for plan diff and artifacts output.
...               Tests D0b.apply features: diff rendering, artifacts summary,
...               empty changeset guard, apply summary persistence, and merge failure handling.
Resource          ${CURDIR}/common.resource
Suite Setup       Setup Test Environment
Suite Teardown    Cleanup Test Environment

*** Variables ***
${HELPER_SCRIPT}    robot/helper_plan_diff_artifacts.py

*** Test Cases ***
Plan Diff Renders Changeset Summary
    [Documentation]    Verify plan diff shows file changes grouped by path
    [Tags]    diff    plan    changeset
    ${result}=    Run Process    ${PYTHON}    ${HELPER_SCRIPT}    diff-output    cwd=${WORKSPACE}
    Should Be Equal As Integers    ${result.rc}    0
    Should Contain    ${result.stdout}    diff-output-ok

Plan Artifacts Shows Changeset Metadata
    [Documentation]    Verify plan artifacts shows changeset ID, sandbox refs, and file list
    [Tags]    artifacts    plan    changeset
    ${result}=    Run Process    ${PYTHON}    ${HELPER_SCRIPT}    artifacts-output    cwd=${WORKSPACE}
    Should Be Equal As Integers    ${result.rc}    0
    Should Contain    ${result.stdout}    artifacts-output-ok

Empty Changeset Guard Blocks Apply
    [Documentation]    Verify apply is blocked when changeset is empty
    [Tags]    guard    plan    apply
    ${result}=    Run Process    ${PYTHON}    ${HELPER_SCRIPT}    empty-guard    cwd=${WORKSPACE}
    Should Be Equal As Integers    ${result.rc}    0
    Should Contain    ${result.stdout}    empty-guard-ok

Empty Changeset Guard Allows With Flag
    [Documentation]    Verify apply proceeds when --allow-empty is set
    [Tags]    guard    plan    apply
    ${result}=    Run Process    ${PYTHON}    ${HELPER_SCRIPT}    empty-guard-allow    cwd=${WORKSPACE}
    Should Be Equal As Integers    ${result.rc}    0
    Should Contain    ${result.stdout}    empty-guard-allow-ok

Apply Summary Persistence
    [Documentation]    Verify apply summary metadata is persisted into plan
    [Tags]    apply    plan    metadata
    ${result}=    Run Process    ${PYTHON}    ${HELPER_SCRIPT}    apply-summary    cwd=${WORKSPACE}
    Should Be Equal As Integers    ${result.rc}    0
    Should Contain    ${result.stdout}    apply-summary-ok

Merge Failure Handling
    [Documentation]    Verify merge failure sets plan to errored with conflict details
    [Tags]    merge    plan    error
    ${result}=    Run Process    ${PYTHON}    ${HELPER_SCRIPT}    merge-failure    cwd=${WORKSPACE}
    Should Be Equal As Integers    ${result.rc}    0
    Should Contain    ${result.stdout}    merge-failure-ok

Diff JSON Format Output
    [Documentation]    Verify diff JSON format includes entries and summary
    [Tags]    diff    plan    json
    ${result}=    Run Process    ${PYTHON}    ${HELPER_SCRIPT}    diff-json    cwd=${WORKSPACE}
    Should Be Equal As Integers    ${result.rc}    0
    Should Contain    ${result.stdout}    diff-json-ok

Diff YAML Format Output
    [Documentation]    Verify diff YAML format includes changeset metadata
    [Tags]    diff    plan    yaml
    ${result}=    Run Process    ${PYTHON}    ${HELPER_SCRIPT}    diff-yaml    cwd=${WORKSPACE}
    Should Be Equal As Integers    ${result.rc}    0
    Should Contain    ${result.stdout}    diff-yaml-ok