Layout: Formatieren, Festbreiten-Plugin, Lesen von Satzarten-Dateien

2026-10-09 21:42:33 +02:00
parent 48c900558b
commit f82fe50655
8 changed files with 414 additions and 20 deletions
@@ -0,0 +1,63 @@
+require_relative '../test_helper'
+
+class FixedStorageTest < PipelineTest
+  LAYOUT = DataPipeline::Layout.new do
+    record 'KOPF', [['SATYP', 'AN', 4, true], ['BELNR', 'AN', 6, true], ['DATUM', 'DAT', 8]]
+    record 'POS',  [['SATYP', 'AN', 4, true], ['TEXT', 'AN', 10], ['BETRAG', 'N', '7.2']]
+  end
+
+  ROWS = [{ 'satyp' => 'KOPF', 'belnr' => 'R1', 'datum' => Date.new(2026, 10, 9) },
+          { 'satyp' => 'POS', 'text' => 'Müller', 'betrag' => 12.5 },
+          { 'satyp' => 'POS', 'betrag' => -3 }].freeze
+
+  def test_write_and_read_back
+    with_tmpdir do |dir|
+      DataPipeline::FixedStorage.new(file: "#{dir}/out.txt", layout: LAYOUT).write(ROWS)
+      assert_equal "KOPFR1    20261009\nPOS Müller    00012.50\nPOS           -0003.00\n", File.read("#{dir}/out.txt")
+      assert_equal [{ 'satyp' => 'KOPF', 'belnr' => 'R1', 'datum' => '20261009' },
+                    { 'satyp' => 'POS', 'text' => 'Müller', 'betrag' => '00012.50' },
+                    { 'satyp' => 'POS', 'text' => nil, 'betrag' => '-0003.00' }],
+                   DataPipeline::FixedStorage.new(file: "#{dir}/out.txt", layout: LAYOUT).read
+    end
+  end
+
+  def test_encoding_line_end_and_streaming_read
+    with_tmpdir do |dir|
+      DataPipeline::FixedStorage.new(file: "#{dir}/out.txt", layout: LAYOUT, encoding: 'ISO-8859-1', line_end: "\r\n").write(ROWS.first(2))
+      assert_equal "KOPFR1    20261009\r\nPOS M\xFCller    00012.50\r\n".b, File.binread("#{dir}/out.txt")
+      rows = []
+      DataPipeline::FixedStorage.new(file: "#{dir}/out.txt", layout: LAYOUT, encoding: 'ISO-8859-1').read { |row| rows << row }
+      assert_equal 'Müller', rows.last['text']
+    end
+  end
+
+  def test_pipeline_with_container_and_dry_run
+    with_tmpdir do |dir|
+      rows = ROWS.map(&:dup)
+      out = capture_stdout do
+        DataPipeline.new do
+          logger PipelineHelper::QUIET
+          dry_run
+          read MemoryStorage.new(rows:)
+          write container(:fixed, file: "#{dir}/dry.txt", layout: LAYOUT)
+        end.run
+      end
+      refute File.exist?("#{dir}/dry.txt")
+      assert_includes out, 'DRY RUN'
+
+      DataPipeline.new do
+        logger PipelineHelper::QUIET
+        read MemoryStorage.new(rows:)
+        write container(:fixed, file: "#{dir}/out.txt", layout: LAYOUT)
+      end.run
+      assert_equal 3, File.readlines("#{dir}/out.txt").size
+    end
+  end
+
+  def test_options_and_lengths_required
+    assert_raises(ArgumentError) { DataPipeline::FixedStorage.new(layout: LAYOUT) }
+    assert_raises(ArgumentError) { DataPipeline::FixedStorage.new(file: 'x') }
+    layout = DataPipeline::Layout.new { record 'A', [['SATYP', 'AN']] }
+    assert_raises(DataPipeline::LayoutError) { DataPipeline::FixedStorage.new(file: 'x', layout:) }
+  end
+end