sdks/python/apache_beam/yaml/tests/match_all.yaml

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fixtures:
  - name: TEMP_DIR
    type: "tempfile.TemporaryDirectory"

pipelines:
  # 1. Write first matching file to temp directory
  - pipeline:
      type: chain
      transforms:
        - type: Create
          config:
            elements:
              - {value: "a"}
        - type: WriteToText
          config:
            path: "{TEMP_DIR}/match1.txt"

  # 2. Write second matching file to temp directory
  - pipeline:
      type: chain
      transforms:
        - type: Create
          config:
            elements:
              - {value: "b"}
        - type: WriteToText
          config:
            path: "{TEMP_DIR}/match2.txt"

  # 3. Write an ignore file to temp directory (should not be matched)
  - pipeline:
      type: chain
      transforms:
        - type: Create
          config:
            elements:
              - {value: "c"}
        - type: WriteToText
          config:
            path: "{TEMP_DIR}/ignore.txt"

  # 4. Match files using MatchAll and verify only match1 and match2 are found
  - pipeline:
      type: chain
      transforms:
        - type: Create
          config:
            elements:
              - {pattern: "{TEMP_DIR}/match*.txt*"}
        - type: MatchAll
          config:
            file_pattern: pattern
        - type: MapToFields
          config:
            language: python
            fields:
              filename: "path.split('/')[-1].split('-')[0]"
        - type: AssertEqual
          config:
            elements:
              - {filename: "match1.txt"}
              - {filename: "match2.txt"}

  # 5. Match non-existent files with ALLOW empty_match_treatment (should succeed but return empty PCollection)
  - pipeline:
      type: chain
      transforms:
        - type: Create
          config:
            elements:
              - {pattern: "{TEMP_DIR}/does_not_exist*.txt*"}
        - type: MatchAll
          config:
            file_pattern: pattern
            empty_match_treatment: ALLOW
        - type: AssertEqual
          config:
            elements: []