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How to use formatter method of com.tngtech.jgiven.report.model.TableAnnotation class

Best JGiven code snippet using com.tngtech.jgiven.report.model.TableAnnotation.formatter

Source:DataTableFormatterTest.java

1package com.tngtech.jgiven.report.model;2import static com.google.common.collect.Lists.newArrayList;3import static org.assertj.core.api.Assertions.assertThat;4import java.lang.annotation.Annotation;5import java.util.ArrayList;6import java.util.Arrays;7import java.util.List;8import org.junit.Test;9import org.junit.runner.RunWith;10import com.tngtech.java.junit.dataprovider.DataProvider;11import com.tngtech.java.junit.dataprovider.DataProviderRunner;12import com.tngtech.jgiven.DataTables;13import com.tngtech.jgiven.annotation.Table;14import com.tngtech.jgiven.config.FormatterConfiguration;15import com.tngtech.jgiven.exception.JGivenWrongUsageException;16import com.tngtech.jgiven.format.DefaultFormatter;17import com.tngtech.jgiven.format.Formatter;18import com.tngtech.jgiven.format.ObjectFormatter;19import com.tngtech.jgiven.format.table.DefaultTableFormatter;20import com.tngtech.jgiven.format.table.RowFormatter;21import com.tngtech.jgiven.format.table.RowFormatterFactory;22@RunWith( DataProviderRunner.class )23public class DataTableFormatterTest {24    private static final Object[][] TABLE_WITH_THREE_ROWS_AND_TWO_COLUMNS =25            { { "h1", "h2" }, { "a1", "a2" }, { "b1", "b2" } };26    static class TestPojo {27        int x = 5;28        int y = 6;29        @Override30        public String toString() {31            return "TestPojo: " + x + ", " + y;32        }33    }34    static class AnotherPojo {35        String fieldA = "test";36        String fieldB = "testB";37    }38    @Test39    public void testToTableValue() {40        // has neither rows nor columns41        assertThat( toTableValue( new Object[][] { }, new TableAnnotation() ).getData() ).isEmpty();42        // no columns43        assertThat( toTableValue( new Object[][] { { } }, new TableAnnotation() ).getData() ).hasSize( 1 );44        try {45            // rows with non-collection type46            toTableValue( new Object[] { new Object[] { }, 5 }, new TableAnnotation() );47            assertThat( false ).as( "Exception should have been thrown" ).isTrue();48        } catch( JGivenWrongUsageException e ) {49        }50        try {51            // not the same column number in all rows52            toTableValue( new Object[][] { { 1, 2 }, { 1 } }, new TableAnnotation() );53            assertThat( false ).as( "Exception should have been thrown" ).isTrue();54        } catch( JGivenWrongUsageException e ) {55        }56        // single POJO57        assertThat( toTableValue( new TestPojo(), new TableAnnotation() ).getData() )58                .containsExactly( Arrays.asList( "x", "y" ), Arrays.asList( "5", "6" ) );59        // single POJO without null values60        TableAnnotation tableAnnotation = new TableAnnotation();61        tableAnnotation.includeNullColumns = true;62        assertThat( toTableValue( new AnotherPojo(), tableAnnotation ).getData() )63                .containsExactly( Arrays.asList( "fieldA", "fieldB" ), Arrays.asList( "test", "testB" ) );64        // single POJO with null values65        AnotherPojo withNull = new AnotherPojo();66        withNull.fieldB = null;67        assertThat( toTableValue( withNull, new TableAnnotation() ).getData() )68                .containsExactly( Arrays.asList( "fieldA" ), Arrays.asList( "test" ) );69        // single POJO with exclusion filter70        tableAnnotation = new TableAnnotation();71        tableAnnotation.excludeFields = new String[] { "fieldB" };72        assertThat( toTableValue( new AnotherPojo(), tableAnnotation ).getData() )73                .containsExactly( Arrays.asList( "fieldA" ), Arrays.asList( "test" ) );74        // single POJO with inclusion filter75        tableAnnotation = new TableAnnotation();76        tableAnnotation.includeFields = new String[] { "fieldA" };77        assertThat( toTableValue( new AnotherPojo(), tableAnnotation ).getData() )78                .containsExactly( Arrays.asList( "fieldA" ), Arrays.asList( "test" ) );79        // single POJO transposed80        tableAnnotation = new TableAnnotation();81        tableAnnotation.transpose = true;82        assertThat( toTableValue( new TestPojo(), tableAnnotation ).getData() )83                .containsExactly( Arrays.asList( "x", "5" ), Arrays.asList( "y", "6" ) );84        // single POJO vertical header85        tableAnnotation = new TableAnnotation();86        tableAnnotation.header = Table.HeaderType.VERTICAL;87        assertThat( toTableValue( new TestPojo(), tableAnnotation ).getData() )88                .containsExactly( Arrays.asList( "x", "5" ), Arrays.asList( "y", "6" ) );89        // single POJO columnTitles set90        tableAnnotation = new TableAnnotation();91        tableAnnotation.columnTitles = new String[] { "t1", "t2" };92        assertThat( toTableValue( new TestPojo(), tableAnnotation ).getData() )93                .containsExactly( Arrays.asList( "t1", "t2" ), Arrays.asList( "5", "6" ) );94        // string array95        assertThat( toTableValue( new String[][] { { "1" } }, new TableAnnotation() ).getData() )96                .containsExactly( Arrays.asList( "1" ) );97        // mixed array98        assertThat( toTableValue( new Object[][] { { "a" }, { 3 } }, new TableAnnotation() ).getData() )99                .containsExactly( Arrays.asList( "a" ), Arrays.asList( "3" ) );100        // 2 columns101        assertThat( toTableValue( new Object[][] { { 1, 2 }, { 3, 4 } }, new TableAnnotation() ).getData() )102                .containsExactly( Arrays.asList( "1", "2" ), Arrays.asList( "3", "4" ) );103        // DataTable104        assertThat( toTableValue( DataTables.table( 2, 1, 2, 3, 4 ), new TableAnnotation() ).getData() )105                .containsExactly( Arrays.asList( "1", "2" ), Arrays.asList( "3", "4" ) );106        ArrayList arrayList = new ArrayList();107        arrayList.add( newArrayList( 5 ) );108        assertThat( toTableValue( arrayList, new TableAnnotation() ).getData() )109                .containsExactly( Arrays.asList( "5" ) );110        assertThat( toTableValue( new Object[][] { { 1, 2 }, { 3, 4 } }, new TableAnnotation() ).getData() )111                .isEqualTo( newArrayList( newArrayList( "1", "2" ), newArrayList( "3", "4" ) ) );112        tableAnnotation = new TableAnnotation();113        tableAnnotation.columnTitles = new String[] { "t1", "t2" };114        assertThat( toTableValue( new Object[][] { { 1, 2 }, { 3, 4 } }, tableAnnotation ).getData() )115                .isEqualTo( newArrayList( newArrayList( "t1", "t2" ), newArrayList( "1", "2" ), newArrayList( "3", "4" ) ) );116        tableAnnotation = new TableAnnotation();117        tableAnnotation.columnTitles = new String[] { "t1", "t2" };118        tableAnnotation.transpose = true;119        assertThat( toTableValue( new Object[][] { { 1, 2 }, { 3, 4 } }, tableAnnotation ).getData() )120                .isEqualTo( newArrayList( newArrayList( "t1", "1", "3" ), newArrayList( "t2", "2", "4" ) ) );121    }122    public static DataTable toTableValue( Object tableValue, Table tableAnnotation ) {123        return new DefaultTableFormatter( new FormatterConfiguration() {124            @Override125            public Formatter<?> getFormatter( Class<?> typeToBeFormatted ) {126                return DefaultFormatter.INSTANCE;127            }128        }, DefaultFormatter.INSTANCE ).format( tableValue, tableAnnotation, "param1" );129    }130    @Test131    public void testNumberedRows() {132        TableAnnotation tableAnnotation = new TableAnnotation();133        tableAnnotation.numberedRows = true;134        assertThat( toTableValue( TABLE_WITH_THREE_ROWS_AND_TWO_COLUMNS, tableAnnotation ).getData() )135                .isEqualTo(136                        newArrayList( newArrayList( "#", "h1", "h2" ), newArrayList( "1", "a1", "a2" ), newArrayList( "2", "b1", "b2" ) ) );137    }138    @Test139    @DataProvider( { "", "#", "Customer Header" } )140    public void testNumberedRowsHeader( String header ) {141        TableAnnotation tableAnnotation = new TableAnnotation();142        tableAnnotation.numberedRowsHeader = header;143        assertThat( toTableValue( TABLE_WITH_THREE_ROWS_AND_TWO_COLUMNS, tableAnnotation ).getData() )144                .isEqualTo(145                        newArrayList( newArrayList( header, "h1", "h2" ), newArrayList( "1", "a1", "a2" ),146                                newArrayList( "2", "b1", "b2" ) ) );147    }148    @Test( expected = JGivenWrongUsageException.class )149    public void testExceptionWhenNumberedRowsHeaderIsUsedWithoutHeader() {150        TableAnnotation tableAnnotation = new TableAnnotation();151        tableAnnotation.numberedRowsHeader = "#";152        tableAnnotation.header = Table.HeaderType.NONE;153        toTableValue( TABLE_WITH_THREE_ROWS_AND_TWO_COLUMNS, tableAnnotation );154    }155    @Test156    public void testNumberedColumns() {157        TableAnnotation tableAnnotation = new TableAnnotation();158        tableAnnotation.numberedColumns = true;159        tableAnnotation.transpose = true;160        tableAnnotation.header = Table.HeaderType.VERTICAL;161        assertThat( toTableValue( TABLE_WITH_THREE_ROWS_AND_TWO_COLUMNS, tableAnnotation ).getData() )162                .isEqualTo(163                        newArrayList( newArrayList( "#", "1", "2" ), newArrayList( "h1", "a1", "b1" ), newArrayList( "h2", "a2", "b2" ) ) );164    }165    @Test166    @DataProvider( { "", "#", "Customer Header" } )167    public void testNumberedColumnsHeader( String header ) {168        TableAnnotation tableAnnotation = new TableAnnotation();169        tableAnnotation.numberedColumnsHeader = header;170        tableAnnotation.header = Table.HeaderType.VERTICAL;171        tableAnnotation.transpose = true;172        assertThat( toTableValue( TABLE_WITH_THREE_ROWS_AND_TWO_COLUMNS, tableAnnotation ).getData() )173                .isEqualTo(174                        newArrayList( newArrayList( header, "1", "2" ), newArrayList( "h1", "a1", "b1" ),175                                newArrayList( "h2", "a2", "b2" ) ) );176    }177    @Test( expected = JGivenWrongUsageException.class )178    public void testExceptionWhenNumberedColumnsHeaderIsUsedWithoutHeader() {179        TableAnnotation tableAnnotation = new TableAnnotation();180        tableAnnotation.numberedColumnsHeader = "#";181        toTableValue( TABLE_WITH_THREE_ROWS_AND_TWO_COLUMNS, tableAnnotation );182    }183    @Test184    public void testObjectFormattingOption() {185        TableAnnotation tableAnnotation = new TableAnnotation();186        tableAnnotation.objectFormatting = Table.ObjectFormatting.PLAIN;187        assertThat( toTableValue( new TestPojo(), tableAnnotation ).getData() )188                .containsExactly( Arrays.asList( "param1" ), Arrays.asList( "TestPojo: 5, 6" ) );189    }190    @Test191    public void testCustomRowFormattingOption() {192        TableAnnotation tableAnnotation = new TableAnnotation();193        tableAnnotation.rowFormatter = TestRowFormatterFactory.class;194        assertThat( toTableValue( new TestPojo(), tableAnnotation ).getData() )195                .containsExactly( Arrays.asList( "FooBar" ), Arrays.asList( "TestPojo: 5, 6 fooBar" ) );196    }197    public static class TestRowFormatter extends RowFormatter {198        @Override199        public List<String> header() {200            return Arrays.asList( "FooBar" );201        }202        @Override203        public List<String> formatRow( Object object ) {204            return Arrays.asList( object.toString() + " fooBar" );205        }206    }207    public static class TestRowFormatterFactory implements RowFormatterFactory {208        @Override209        public RowFormatter create( Class<?> parameterType, String parameterName, Table tableAnnotation,210                Annotation[] annotations,211                FormatterConfiguration configuration, ObjectFormatter<?> objectFormatter ) {212            return new TestRowFormatter();213        }214    }215}...

Source:DefaultTableFormatter.java

...19 * The default implementation to format a table argument20 */21public class DefaultTableFormatter implements TableFormatter {22    public static final String DEFAULT_NUMBERED_HEADER = "#";23    private final FormatterConfiguration formatterConfiguration;24    private final ObjectFormatter<?> objectFormatter;25    public DefaultTableFormatter( FormatterConfiguration formatterConfiguration, ObjectFormatter<?> objectFormatter ) {26        this.formatterConfiguration = formatterConfiguration;27        this.objectFormatter = objectFormatter;28    }29    @Override30    public DataTable format( Object tableArgument, Table tableAnnotation, String parameterName, Annotation... allAnnotations ) {31        DataTable dataTable = toDataTable( tableArgument, tableAnnotation, parameterName, allAnnotations );32        addNumberedRows( tableAnnotation, dataTable );33        addNumberedColumns( tableAnnotation, dataTable );34        return dataTable;35    }36    private static void addNumberedRows( Table tableAnnotation, DataTable dataTable ) {37        String customHeader = tableAnnotation.numberedRowsHeader();38        boolean hasCustomerHeader = !customHeader.equals( AnnotationUtil.ABSENT );39        if( tableAnnotation.numberedRows() || hasCustomerHeader ) {40            ApiUtil.isTrue( !hasCustomerHeader || dataTable.hasHorizontalHeader(),41                "Using numberedRowsHeader in @Table without having a horizontal header." );42            int rowCount = dataTable.getRowCount();43            List<String> column = Lists.newArrayListWithExpectedSize( rowCount );44            addHeader( customHeader, column, dataTable.hasHorizontalHeader() );45            addNumbers( rowCount, column );46            dataTable.addColumn( 0, column );47        }48    }49    private static void addNumberedColumns( Table tableAnnotation, DataTable dataTable ) {50        String customHeader = tableAnnotation.numberedColumnsHeader();51        boolean hasCustomerHeader = !customHeader.equals( AnnotationUtil.ABSENT );52        if( tableAnnotation.numberedColumns() || hasCustomerHeader ) {53            ApiUtil.isTrue( !hasCustomerHeader || dataTable.hasVerticalHeader(),54                "Using numberedColumnsHeader in @Table without having a vertical header." );55            int columnCount = dataTable.getColumnCount();56            List<String> row = Lists.newArrayListWithExpectedSize( columnCount );57            addHeader( customHeader, row, dataTable.hasVerticalHeader() );58            addNumbers( columnCount, row );59            dataTable.addRow( 0, row );60        }61    }62    private static void addHeader( String customHeader, List<String> column, boolean hasHeader ) {63        boolean hasCustomerHeader = !customHeader.equals( AnnotationUtil.ABSENT );64        if( hasHeader ) {65            String header = DEFAULT_NUMBERED_HEADER;66            if( hasCustomerHeader ) {67                header = customHeader;68            }69            column.add( header );70        }71    }72    private static void addNumbers( int count, List<String> column ) {73        int counter = 1;74        while( column.size() < count ) {75            column.add( Integer.toString( counter ) );76            counter++;77        }78    }79    private DataTable toDataTable( Object tableValue, Table tableAnnotation, String parameterName, Annotation[] annotations ) {80        List<List<String>> result = Lists.newArrayList();81        Iterable<?> rows = toIterable( tableValue );82        if( rows == null ) {83            rows = ImmutableList.of( tableValue );84        }85        boolean first = true;86        int ncols = 0;87        for( Object row : rows ) {88            if( first ) {89                if( toIterable( row ) == null ) {90                    return pojosToTableValue( rows, tableAnnotation, parameterName, annotations );91                }92            }93            List<String> values = toStringList( row );94            if( !first && ncols != values.size() ) {95                throw new JGivenWrongUsageException( "Number of columns in @Table annotated parameter is not equal for all rows. Expected "96                        + ncols + " got " + values.size() );97            }98            ncols = values.size();99            result.add( values );100            first = false;101        }102        if( tableAnnotation.columnTitles().length > 0 ) {103            result.add( 0, Arrays.asList( tableAnnotation.columnTitles() ) );104        }105        result = tableAnnotation.transpose() ? transpose( result ) : result;106        return new DataTable( tableAnnotation.header(), result );107    }108    DataTable pojosToTableValue( Iterable<?> objects, final Table tableAnnotation, String parameterName, Annotation[] annotations ) {109        Object first = objects.iterator().next();110        RowFormatterFactory objectRowFormatterFactory = ReflectionUtil.newInstance( tableAnnotation.rowFormatter() );111        RowFormatter formatter = objectRowFormatterFactory.create( first.getClass(), parameterName, tableAnnotation, annotations,112            formatterConfiguration, objectFormatter );113        List<List<String>> list = Lists.newArrayList();114        if( tableAnnotation.header() != Table.HeaderType.NONE ) {115            if( tableAnnotation.columnTitles().length > 0 ) {116                list.add( Arrays.asList( tableAnnotation.columnTitles() ) );117            } else {118                list.add( formatter.header() );119            }120        }121        for( Object o : objects ) {122            list.add( formatter.formatRow( o ) );123        }124        list = formatter.postProcess( list );125        list = tableAnnotation.transpose() || tableAnnotation.header().isVertical() ? transpose( list ) : list;126        return new DataTable( tableAnnotation.header(), list );127    }128    static List<List<String>> transpose( List<List<String>> list ) {129        List<List<String>> transposed = Lists.newArrayList();130        for( int rowIdx = 0; rowIdx < list.size(); rowIdx++ ) {131            List<String> row = list.get( rowIdx );132            for( int colIdx = 0; colIdx < row.size(); colIdx++ ) {133                if( rowIdx == 0 ) {134                    transposed.add( Lists.<String>newArrayList() );135                }136                transposed.get( colIdx ).add( row.get( colIdx ) );137            }138        }139        return transposed;140    }141    private static List<String> toStringList( Object row ) {142        List<String> list = Lists.newArrayList();143        Iterable<?> objects = toIterable( row );144        if( objects == null ) {145            throw new JGivenWrongUsageException( "@Table annotated argument cannot be converted to a data table." );146        }147        for( Object o : objects ) {148            list.add( toDefaultStringFormat( o ) );149        }150        return list;151    }152    private static Iterable<?> toIterable( Object value ) {153        if( value instanceof Iterable<?> ) {154            return (Iterable<?>) value;155        }156        if( value.getClass().isArray() ) {157            return arrayToList( value );158        }159        return null;160    }161    private static Iterable<?> arrayToList( Object array ) {162        int length = Array.getLength( array );163        if( length == 0 ) {164            return Collections.emptyList();165        }166        List<Object> result = Lists.newArrayList();167        for( int i = 0; i < length; i++ ) {168            result.add( Array.get( array, i ) );169        }170        return result;171    }172    private static String toDefaultStringFormat( Object value ) {173        return DefaultFormatter.INSTANCE.format( value );174    }175    public static class Factory implements TableFormatterFactory {176        @Override177        public TableFormatter create( FormatterConfiguration formatterConfiguration, ObjectFormatter<?> objectFormatter ) {178            return new DefaultTableFormatter( formatterConfiguration, objectFormatter );179        }180    }181}...

Source:ParameterFormattingUtil.java

...34        ObjectFormatter<?> formatting = getFormatting( annotations, Sets.<Class<?>>newHashSet(), null, parameterName );35        if( formatting != null ) {36            return formatting;37        }38        Formatter<T> formatter = (Formatter<T>) configuration.getFormatter( parameterType );39        if( formatter != null ) {40            return new StepFormatter.TypeBasedFormatting<T>( formatter, annotations );41        }42        return DEFAULT_FORMATTING;43    }44    /**45     * Recursively searches for formatting annotations.46     *47     * @param visitedTypes used to prevent an endless loop48     * @param parameterName49     */50    private StepFormatter.Formatting<?, ?> getFormatting( Annotation[] annotations, Set<Class<?>> visitedTypes,51            Annotation originalAnnotation, String parameterName ) {52        List<StepFormatter.Formatting<?, ?>> foundFormatting = Lists.newArrayList();53        Table tableAnnotation = null;54        for( Annotation annotation : annotations ) {55            try {56                if( annotation instanceof Format ) {57                    Format arg = (Format) annotation;58                    foundFormatting.add( new StepFormatter.ArgumentFormatting( ReflectionUtil.newInstance( arg.value() ), arg.args() ) );59                } else if( annotation instanceof Table ) {60                    tableAnnotation = (Table) annotation;61                } else if( annotation instanceof AnnotationFormat ) {62                    AnnotationFormat arg = (AnnotationFormat) annotation;63                    foundFormatting.add( new StepFormatter.ArgumentFormatting(64                        new StepFormatter.AnnotationBasedFormatter( arg.value().newInstance(), originalAnnotation ) ) );65                } else {66                    Class<? extends Annotation> annotationType = annotation.annotationType();67                    if( !visitedTypes.contains( annotationType ) ) {68                        visitedTypes.add( annotationType );69                        StepFormatter.Formatting<?, ?> formatting = getFormatting( annotationType.getAnnotations(), visitedTypes,70                            annotation, parameterName );71                        if( formatting != null ) {72                            foundFormatting.add( formatting );73                        }74                    }75                }76            } catch( Exception e ) {77                throw Throwables.propagate( e );78            }79        }80        if( foundFormatting.size() > 1 ) {81            Formatting<?, ?> innerFormatting = Iterables.getLast( foundFormatting );82            foundFormatting.remove( innerFormatting );83            ChainedFormatting<?> chainedFormatting = new StepFormatter.ChainedFormatting<Object>( (ObjectFormatter<Object>) innerFormatting );84            for( StepFormatter.Formatting<?, ?> formatting : Lists.reverse( foundFormatting ) ) {85                chainedFormatting.addFormatting( (StepFormatter.Formatting<?, String>) formatting );86            }87            foundFormatting.clear();88            foundFormatting.add( chainedFormatting );89        }90        if( tableAnnotation != null ) {91            ObjectFormatter<?> objectFormatter = foundFormatting.isEmpty()92                    ? DefaultFormatter.INSTANCE93                    : foundFormatting.get( 0 );94            return getTableFormatting( annotations, parameterName, tableAnnotation, objectFormatter );95        }96        if( foundFormatting.isEmpty() ) {97            return null;98        }99        return foundFormatting.get( 0 );100    }101    private StepFormatter.Formatting<?, ?> getTableFormatting( Annotation[] annotations, String parameterName, Table annotation,102            ObjectFormatter<?> objectFormatter ) {103        Table tableAnnotation = annotation;104        TableFormatterFactory factory = createTableFormatterFactory( parameterName, tableAnnotation );105        TableFormatter tableFormatter = factory.create( configuration, objectFormatter );106        return new StepFormatter.TableFormatting( tableFormatter, tableAnnotation, parameterName, annotations );107    }108    private TableFormatterFactory createTableFormatterFactory( String parameterName, Table tableAnnotation ) {109        Class<? extends TableFormatterFactory> formatterFactoryClass = tableAnnotation.formatter();110        try {111            return ReflectionUtil.newInstance( formatterFactoryClass );112        } catch( Exception e ) {113            throw new JGivenWrongUsageException(114                "Could not create an instance of " + formatterFactoryClass.getName()115                        + " which was specified at the @Table annotation for parameter '" + parameterName116                        + "'. Most likely this was due to a missing default constructor",117                TableFormatterFactory.class, e );118        }119    }120    public List<String> toStringList( List<ObjectFormatter<?>> formatter, List<?> arguments ) {121        List<String> result = Lists.newArrayList();122        for( int i = 0; i < arguments.size(); i++ ) {123            ObjectFormatter<?> formatting = DEFAULT_FORMATTING;124            if( i < formatter.size() && formatter.get( i ) != null ) {125                formatting = formatter.get( i );126            }127            result.add( formatUsingFormatterOrDefault( formatting, arguments.get( i ) ) );128        }129        return result;130    }131    private <T> String formatUsingFormatterOrDefault( ObjectFormatter<T> formatting, Object o ) {132        return formatting.format( (T) o );133    }134    public List<ObjectFormatter<?>> getFormatter( Class<?>[] parameterTypes, List<String> parameterNames,135            Annotation[][] parameterAnnotations ) {136        List<ObjectFormatter<?>> res = Lists.newArrayList();137        for( int i = 0; i < parameterTypes.length; i++ ) {138            Annotation[] annotations = parameterAnnotations[i];139            if( !AnnotationUtil.isHidden( annotations ) ) {...

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