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PODataTable.diff( List<Map> ) or List<String[]> in cucumber-jvm
 

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  1. PODataTable.diff( List<Map> ) or List<String[]> in cucumber-jvm
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    <p>I'm currently porting a test suite originally written in ruby to java.</p> <h1>List&lt;String[]></h1> <p>The first step I'm trying to port parses CSV data into a <code>List&lt;String[]&gt;</code></p> <pre><code>@Then("test 1") public void test1( DataTable expectedTable ) { List&lt;String[]&gt; tableData = getCsvData( fileName ); // I have also tried List&lt;Map&lt;String,String&gt;&gt; here. // when List&lt;String[]&gt; includes the column names in element 0, TableConverter.toTable() // for List&lt;Map&lt;String,String&gt;&gt;, TableConverter.toTable() ends up with // writer: { columnNames:(as provided in element 0), // fieldNames: ["entry", "entry", "entry"...] // fieldValues: [colName0, row1Value0, colName1, row1Value1...] } // and then ComplexTypeWriter.getValues() calls // int index = fieldNames.indexOf(converter.map(columnName)); // where columnName is correct, but index is evaluated as -1, so getValues() returns // [, , , ,...] // so .diff() displays a table of empty strings. expectedTable.diff( tableData ); } </code></pre> <p>...cucumber-jvm does not display the actual CSV data correctly.</p> <h1>List&lt;Map&lt;String,String>></h1> <p>In our ruby implementation other test steps use <code>Cucumber::Ast::Table.diff!</code> to display reasons for failure:</p> <pre><code>failure = {'line number' =&gt; line, 'reason' =&gt; 'bad data in column 2', 'data' =&gt; column2} failures.push failure Cucumber::Ast::Table.new([[]]).diff!( failures, {surplus_col: true, surplus_row: true} ) unless failures.empty? </code></pre> <p>I've tried to port this to java using <code>java.util.Map</code>, as shown below. The trouble is that although cucumber-jvm identifies that there is a difference between the empty <code>DataTable</code> and my <code>List</code> of <code>Map</code>s, it doesn't parse (or display) my <code>List&lt;Map&gt;</code> correctly.</p> <pre><code>Map&lt;String,String&gt; failure = new HashMap&lt;String,String&gt;(); failure.put("line number", Integer.toString(line)); failure.put("reason", "bad data in column 2"); failure.put("data", Arrays.toString(column2)); List&lt;Map&lt;String,String&gt; failures = new ArrayList&lt;Map&lt;String,String&gt;&gt;(); failures.add(failure); // We're expecting an empty list of failures, so create one to compare against. String[] columnNames = failures.get(0).keySet().toArray(new String[]{}); ArrayList&lt;Map&lt;String, String&gt;&gt; emptyList = new ArrayList&lt;Map&lt;String,String&gt;&gt;(); HashMap&lt;String, String&gt; emptyData = new HashMap&lt;String, String&gt;(); for( String columnName : failures.get(0).keySet() ) { emptyData.put(columnName, null); } emptyList.add(emptyData); DataTable empty = DataTable.create( emptyList, Locale.getDefault(), columnNames ); empty.diff( failures ); </code></pre>
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    1. USNicholas Albion
    1. USNicholas Albion
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