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+# -*- coding: utf-8 -*-
+"""Test CLI Helpers' tabular output preprocessors."""
+
+from __future__ import unicode_literals
+from decimal import Decimal
+
+import pytest
+
+from cli_helpers.compat import HAS_PYGMENTS
+from cli_helpers.tabular_output.preprocessors import (
+ align_decimals, bytes_to_string, convert_to_string, quote_whitespaces,
+ override_missing_value, override_tab_value, style_output, format_numbers)
+
+if HAS_PYGMENTS:
+ from pygments.style import Style
+ from pygments.token import Token
+
+import inspect
+import cli_helpers.tabular_output.preprocessors
+import types
+
+
+def test_convert_to_string():
+ """Test the convert_to_string() function."""
+ data = [[1, 'John'], [2, 'Jill']]
+ headers = [0, 'name']
+ expected = ([['1', 'John'], ['2', 'Jill']], ['0', 'name'])
+ results = convert_to_string(data, headers)
+
+ assert expected == (list(results[0]), results[1])
+
+
+def test_override_missing_values():
+ """Test the override_missing_values() function."""
+ data = [[1, None], [2, 'Jill']]
+ headers = [0, 'name']
+ expected = ([[1, '<EMPTY>'], [2, 'Jill']], [0, 'name'])
+ results = override_missing_value(data, headers, missing_value='<EMPTY>')
+
+ assert expected == (list(results[0]), results[1])
+
+
+@pytest.mark.skipif(not HAS_PYGMENTS, reason='requires the Pygments library')
+def test_override_missing_value_with_style():
+ """Test that *override_missing_value()* styles output."""
+
+ class NullStyle(Style):
+ styles = {
+ Token.Output.Null: '#0f0'
+ }
+
+ headers = ['h1', 'h2']
+ data = [[None, '2'], ['abc', None]]
+
+ expected_headers = ['h1', 'h2']
+ expected_data = [
+ ['\x1b[38;5;10m<null>\x1b[39m', '2'],
+ ['abc', '\x1b[38;5;10m<null>\x1b[39m']
+ ]
+ results = override_missing_value(data, headers,
+ style=NullStyle, missing_value="<null>")
+
+ assert (expected_data, expected_headers) == (list(results[0]), results[1])
+
+
+def test_override_tab_value():
+ """Test the override_tab_value() function."""
+ data = [[1, '\tJohn'], [2, 'Jill']]
+ headers = ['id', 'name']
+ expected = ([[1, ' John'], [2, 'Jill']], ['id', 'name'])
+ results = override_tab_value(data, headers)
+
+ assert expected == (list(results[0]), results[1])
+
+
+def test_bytes_to_string():
+ """Test the bytes_to_string() function."""
+ data = [[1, 'John'], [2, b'Jill']]
+ headers = [0, 'name']
+ expected = ([[1, 'John'], [2, 'Jill']], [0, 'name'])
+ results = bytes_to_string(data, headers)
+
+ assert expected == (list(results[0]), results[1])
+
+
+def test_align_decimals():
+ """Test the align_decimals() function."""
+ data = [[Decimal('200'), Decimal('1')], [
+ Decimal('1.00002'), Decimal('1.0')]]
+ headers = ['num1', 'num2']
+ column_types = (float, float)
+ expected = ([['200', '1'], [' 1.00002', '1.0']], ['num1', 'num2'])
+ results = align_decimals(data, headers, column_types=column_types)
+
+ assert expected == (list(results[0]), results[1])
+
+
+def test_align_decimals_empty_result():
+ """Test align_decimals() with no results."""
+ data = []
+ headers = ['num1', 'num2']
+ column_types = ()
+ expected = ([], ['num1', 'num2'])
+ results = align_decimals(data, headers, column_types=column_types)
+
+ assert expected == (list(results[0]), results[1])
+
+
+def test_align_decimals_non_decimals():
+ """Test align_decimals() with non-decimals."""
+ data = [[Decimal('200.000'), Decimal('1.000')], [None, None]]
+ headers = ['num1', 'num2']
+ column_types = (float, float)
+ expected = ([['200.000', '1.000'], [None, None]], ['num1', 'num2'])
+ results = align_decimals(data, headers, column_types=column_types)
+
+ assert expected == (list(results[0]), results[1])
+
+
+def test_quote_whitespaces():
+ """Test the quote_whitespaces() function."""
+ data = [[" before", "after "], [" both ", "none"]]
+ headers = ['h1', 'h2']
+ expected = ([["' before'", "'after '"], ["' both '", "'none'"]],
+ ['h1', 'h2'])
+ results = quote_whitespaces(data, headers)
+
+ assert expected == (list(results[0]), results[1])
+
+
+def test_quote_whitespaces_empty_result():
+ """Test the quote_whitespaces() function with no results."""
+ data = []
+ headers = ['h1', 'h2']
+ expected = ([], ['h1', 'h2'])
+ results = quote_whitespaces(data, headers)
+
+ assert expected == (list(results[0]), results[1])
+
+
+def test_quote_whitespaces_non_spaces():
+ """Test the quote_whitespaces() function with non-spaces."""
+ data = [["\tbefore", "after \r"], ["\n both ", "none"]]
+ headers = ['h1', 'h2']
+ expected = ([["'\tbefore'", "'after \r'"], ["'\n both '", "'none'"]],
+ ['h1', 'h2'])
+ results = quote_whitespaces(data, headers)
+
+ assert expected == (list(results[0]), results[1])
+
+
+@pytest.mark.skipif(not HAS_PYGMENTS, reason='requires the Pygments library')
+def test_style_output_no_styles():
+ """Test that *style_output()* does not style without styles."""
+ headers = ['h1', 'h2']
+ data = [['1', '2'], ['a', 'b']]
+ results = style_output(data, headers)
+
+ assert (data, headers) == (list(results[0]), results[1])
+
+
+@pytest.mark.skipif(HAS_PYGMENTS,
+ reason='requires the Pygments library be missing')
+def test_style_output_no_pygments():
+ """Test that *style_output()* does not try to style without Pygments."""
+ headers = ['h1', 'h2']
+ data = [['1', '2'], ['a', 'b']]
+ results = style_output(data, headers)
+
+ assert (data, headers) == (list(results[0]), results[1])
+
+
+@pytest.mark.skipif(not HAS_PYGMENTS, reason='requires the Pygments library')
+def test_style_output():
+ """Test that *style_output()* styles output."""
+
+ class CliStyle(Style):
+ default_style = ""
+ styles = {
+ Token.Output.Header: 'bold ansibrightred',
+ Token.Output.OddRow: 'bg:#eee #111',
+ Token.Output.EvenRow: '#0f0'
+ }
+ headers = ['h1', 'h2']
+ data = [['观音', '2'], ['Ποσειδῶν', 'b']]
+
+ expected_headers = ['\x1b[91;01mh1\x1b[39;00m', '\x1b[91;01mh2\x1b[39;00m']
+ expected_data = [['\x1b[38;5;233;48;5;7m观音\x1b[39;49m',
+ '\x1b[38;5;233;48;5;7m2\x1b[39;49m'],
+ ['\x1b[38;5;10mΠοσειδῶν\x1b[39m', '\x1b[38;5;10mb\x1b[39m']]
+ results = style_output(data, headers, style=CliStyle)
+
+ assert (expected_data, expected_headers) == (list(results[0]), results[1])
+
+
+@pytest.mark.skipif(not HAS_PYGMENTS, reason='requires the Pygments library')
+def test_style_output_with_newlines():
+ """Test that *style_output()* styles output with newlines in it."""
+
+ class CliStyle(Style):
+ default_style = ""
+ styles = {
+ Token.Output.Header: 'bold ansibrightred',
+ Token.Output.OddRow: 'bg:#eee #111',
+ Token.Output.EvenRow: '#0f0'
+ }
+ headers = ['h1', 'h2']
+ data = [['观音\nLine2', 'Ποσειδῶν']]
+
+ expected_headers = ['\x1b[91;01mh1\x1b[39;00m', '\x1b[91;01mh2\x1b[39;00m']
+ expected_data = [
+ ['\x1b[38;5;233;48;5;7m观音\x1b[39;49m\n\x1b[38;5;233;48;5;7m'
+ 'Line2\x1b[39;49m',
+ '\x1b[38;5;233;48;5;7mΠοσειδῶν\x1b[39;49m']]
+ results = style_output(data, headers, style=CliStyle)
+
+
+ assert (expected_data, expected_headers) == (list(results[0]), results[1])
+
+@pytest.mark.skipif(not HAS_PYGMENTS, reason='requires the Pygments library')
+def test_style_output_custom_tokens():
+ """Test that *style_output()* styles output with custom token names."""
+
+ class CliStyle(Style):
+ default_style = ""
+ styles = {
+ Token.Results.Headers: 'bold ansibrightred',
+ Token.Results.OddRows: 'bg:#eee #111',
+ Token.Results.EvenRows: '#0f0'
+ }
+ headers = ['h1', 'h2']
+ data = [['1', '2'], ['a', 'b']]
+
+ expected_headers = ['\x1b[91;01mh1\x1b[39;00m', '\x1b[91;01mh2\x1b[39;00m']
+ expected_data = [['\x1b[38;5;233;48;5;7m1\x1b[39;49m',
+ '\x1b[38;5;233;48;5;7m2\x1b[39;49m'],
+ ['\x1b[38;5;10ma\x1b[39m', '\x1b[38;5;10mb\x1b[39m']]
+
+ output = style_output(
+ data, headers, style=CliStyle,
+ header_token='Token.Results.Headers',
+ odd_row_token='Token.Results.OddRows',
+ even_row_token='Token.Results.EvenRows')
+
+ assert (expected_data, expected_headers) == (list(output[0]), output[1])
+
+
+def test_format_integer():
+ """Test formatting for an INTEGER datatype."""
+ data = [[1], [1000], [1000000]]
+ headers = ['h1']
+ result_data, result_headers = format_numbers(data,
+ headers,
+ column_types=(int,),
+ integer_format=',',
+ float_format=',')
+
+ expected = [['1'], ['1,000'], ['1,000,000']]
+ assert expected == list(result_data)
+ assert headers == result_headers
+
+
+def test_format_decimal():
+ """Test formatting for a DECIMAL(12, 4) datatype."""
+ data = [[Decimal('1.0000')], [Decimal('1000.0000')], [Decimal('1000000.0000')]]
+ headers = ['h1']
+ result_data, result_headers = format_numbers(data,
+ headers,
+ column_types=(float,),
+ integer_format=',',
+ float_format=',')
+
+ expected = [['1.0000'], ['1,000.0000'], ['1,000,000.0000']]
+ assert expected == list(result_data)
+ assert headers == result_headers
+
+
+def test_format_float():
+ """Test formatting for a REAL datatype."""
+ data = [[1.0], [1000.0], [1000000.0]]
+ headers = ['h1']
+ result_data, result_headers = format_numbers(data,
+ headers,
+ column_types=(float,),
+ integer_format=',',
+ float_format=',')
+ expected = [['1.0'], ['1,000.0'], ['1,000,000.0']]
+ assert expected == list(result_data)
+ assert headers == result_headers
+
+
+def test_format_integer_only():
+ """Test that providing one format string works."""
+ data = [[1, 1.0], [1000, 1000.0], [1000000, 1000000.0]]
+ headers = ['h1', 'h2']
+ result_data, result_headers = format_numbers(data, headers, column_types=(int, float),
+ integer_format=',')
+
+ expected = [['1', 1.0], ['1,000', 1000.0], ['1,000,000', 1000000.0]]
+ assert expected == list(result_data)
+ assert headers == result_headers
+
+
+def test_format_numbers_no_format_strings():
+ """Test that numbers aren't formatted without format strings."""
+ data = ((1), (1000), (1000000))
+ headers = ('h1',)
+ result_data, result_headers = format_numbers(data, headers, column_types=(int,))
+ assert list(data) == list(result_data)
+ assert headers == result_headers
+
+
+def test_format_numbers_no_column_types():
+ """Test that numbers aren't formatted without column types."""
+ data = ((1), (1000), (1000000))
+ headers = ('h1',)
+ result_data, result_headers = format_numbers(data, headers, integer_format=',',
+ float_format=',')
+ assert list(data) == list(result_data)
+ assert headers == result_headers
+
+def test_enforce_iterable():
+ preprocessors = inspect.getmembers(cli_helpers.tabular_output.preprocessors, inspect.isfunction)
+ loremipsum = 'lorem ipsum dolor sit amet consectetur adipiscing elit sed do eiusmod'.split(' ')
+ for name, preprocessor in preprocessors:
+ preprocessed = preprocessor(zip(loremipsum), ['lorem'], column_types=(str,))
+ try:
+ first = next(preprocessed[0])
+ except StopIteration:
+ assert False, "{} gives no output with iterator data".format(name)
+ except TypeError:
+ assert False, "{} doesn't return iterable".format(name)
+ if isinstance(preprocessed[1], types.GeneratorType):
+ assert False, "{} returns headers as iterator".format(name)