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

test/core/layout_test.rb

@@ -71,4 +71,54 @@ class LayoutTest < PipelineTest
     assert_equal [{ 'a' => '1' }], target.output
     assert_equal 1, stats.rejected
   end
+
+  FORMATTED = DataPipeline::Layout.new(format: true) do
+    record 'K', [['SATYP', 'AN', 2, true], ['DATUM', 'DAT'], ['ZEIT', 'TIM'], ['BETRAG', 'N', '11.2'], ['NR', 'N', 5], ['TEXT', 'AN', 6]]
+  end
+
+  def test_format_values_by_type
+    row = { 'satyp' => 'K', 'datum' => Date.new(2026, 10, 9), 'zeit' => Time.new(2026, 10, 9, 7, 5, 3), 'betrag' => 12.345, 'nr' => 7, 'text' => 'abc' }
+    assert_equal ['K', '20261009', '070503', '12.35', '7', 'abc'], FORMATTED.values(row)
+    assert_equal ['K', '20261009', '070503', '3.50', nil, nil], FORMATTED.values({ 'satyp' => 'K', 'datum' => '2026-10-09', 'zeit' => '07:05:03', 'betrag' => '3.5' })
+    assert_equal '-0.01', FORMATTED.values({ 'satyp' => 'K', 'betrag' => -0.005 })[3]
+    assert_equal '0.33', FORMATTED.values({ 'satyp' => 'K', 'betrag' => Rational(1, 3) })[3]
+    assert_equal '1.234', FORMATTED.values({ 'satyp' => 'K', 'betrag' => '1.234' })[3] # texts are not rounded
+    assert_equal ['K', nil, nil, nil, nil, nil], FORMATTED.values({ 'satyp' => 'K' })
+    assert_equal [nil, 12.345], [LAYOUT.values({ 'satyp' => 'HEAD' })[1], DataPipeline::Layout.new { record 'K', [['S'], ['B', 'N', '5.2']] }.values({ 's' => 'K', 'b' => 12.345 })[1]]
+  end
+
+  def test_errors_check_the_formatted_values
+    assert_empty FORMATTED.errors({ 'satyp' => 'K', 'datum' => Date.today, 'betrag' => 0.1 + 0.2 })
+    assert_equal ['BETRAG: more than 2 decimals'], DataPipeline::Layout.new { record 'K', [['S'], ['BETRAG', 'N', '11.2']] }.errors({ 's' => 'K', 'betrag' => 0.1 + 0.2 })
+  end
+
+  def test_fixed_line_and_parse_line
+    row = { 'satyp' => 'K', 'datum' => Date.new(2026, 10, 9), 'betrag' => -12.5, 'nr' => 7, 'text' => 'Müller' }
+    line = FORMATTED.line(row)
+    assert_equal 'K 20261009      -00000012.5000007Müller', line
+    assert_equal 2 + 8 + 6 + 12 + 5 + 6, line.length
+    assert_equal({ 'satyp' => 'K', 'datum' => '20261009', 'zeit' => nil, 'betrag' => '-00000012.50', 'nr' => '00007', 'text' => 'Müller' },
+                 FORMATTED.parse_line(line))
+    assert_includes assert_raises(DataPipeline::LayoutError) { FORMATTED.line(row.merge('text' => 'zu lang')) }.message, 'longer than 6'
+    assert_includes assert_raises(DataPipeline::LayoutError) { FORMATTED.line(row.merge('nr' => 'x')) }.message, 'not a number'
+    assert_includes assert_raises(DataPipeline::LayoutError) { FORMATTED.line(row.merge('extra' => 1)) }.message, 'extra'
+    assert_includes assert_raises(DataPipeline::LayoutError) { FORMATTED.parse_line('XX') }.message, 'not in layout'
+  end
+
+  def test_check_widths
+    layout = DataPipeline::Layout.new { record 'A', [['SATYP', 'AN', 1], ['TEXT'], ['NR', 'N'], ['D', 'DAT']] }
+    assert_equal 'fixed width needs a length for: A.TEXT, A.NR', assert_raises(DataPipeline::LayoutError) { layout.check_widths! }.message
+    assert_same FORMATTED, FORMATTED.check_widths!
+  end
+
+  def test_parse_values_and_csv_read_with_layout
+    assert_equal({ 'satyp' => 'POS', 'nr' => '1', 'text' => nil, 'betrag' => nil }, LAYOUT.parse(%w[POS 1]))
+    assert_includes assert_raises(DataPipeline::LayoutError) { LAYOUT.parse(%w[HEAD 1 2 3]) }.message, '4 values'
+    with_tmpdir do |dir|
+      File.write("#{dir}/in.txt", "HEAD|20251103|\nPOS|1|abc|1.50\n")
+      rows = DataPipeline::CsvStorage.new(file: "#{dir}/in.txt", layout: LAYOUT, csv: { headers: false, col_sep: '|' }).read
+      assert_equal [{ 'satyp' => 'HEAD', 'datum' => '20251103', 'zeit' => nil },
+                    { 'satyp' => 'POS', 'nr' => '1', 'text' => 'abc', 'betrag' => '1.50' }], rows
+    end
+  end
 end