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from __future__ import print_function, unicode_literals
import io
import unittest
from fs import tree
from fs.memoryfs import MemoryFS
class TestInfo(unittest.TestCase):
def setUp(self):
self.fs = MemoryFS()
self.fs.makedir("foo")
self.fs.makedir("bar")
self.fs.makedir("baz")
self.fs.makedirs("foo/egg1")
self.fs.makedirs("foo/egg2")
self.fs.create("/root1")
self.fs.create("/root2")
self.fs.create("/foo/test.txt")
self.fs.create("/foo/test2.txt")
self.fs.create("/foo/.hidden")
self.fs.makedirs("/deep/deep1/deep2/deep3/deep4/deep5/deep6")
def test_tree(self):
output_file = io.StringIO()
tree.render(self.fs, file=output_file)
expected = "|-- bar\n|-- baz\n|-- deep\n| `-- deep1\n| `-- deep2\n| `-- deep3\n| `-- deep4\n| `-- deep5\n|-- foo\n| |-- egg1\n| |-- egg2\n| |-- .hidden\n| |-- test.txt\n| `-- test2.txt\n|-- root1\n`-- root2\n"
self.assertEqual(output_file.getvalue(), expected)
def test_tree_encoding(self):
output_file = io.StringIO()
tree.render(self.fs, file=output_file, with_color=True)
print(repr(output_file.getvalue()))
expected = "\x1b[32m\u251c\u2500\u2500\x1b[0m \x1b[1;34mbar\x1b[0m\n\x1b[32m\u251c\u2500\u2500\x1b[0m \x1b[1;34mbaz\x1b[0m\n\x1b[32m\u251c\u2500\u2500\x1b[0m \x1b[1;34mdeep\x1b[0m\n\x1b[32m\u2502 \u2514\u2500\u2500\x1b[0m \x1b[1;34mdeep1\x1b[0m\n\x1b[32m\u2502 \u2514\u2500\u2500\x1b[0m \x1b[1;34mdeep2\x1b[0m\n\x1b[32m\u2502 \u2514\u2500\u2500\x1b[0m \x1b[1;34mdeep3\x1b[0m\n\x1b[32m\u2502 \u2514\u2500\u2500\x1b[0m \x1b[1;34mdeep4\x1b[0m\n\x1b[32m\u2502 \u2514\u2500\u2500\x1b[0m \x1b[1;34mdeep5\x1b[0m\n\x1b[32m\u251c\u2500\u2500\x1b[0m \x1b[1;34mfoo\x1b[0m\n\x1b[32m\u2502 \u251c\u2500\u2500\x1b[0m \x1b[1;34megg1\x1b[0m\n\x1b[32m\u2502 \u251c\u2500\u2500\x1b[0m \x1b[1;34megg2\x1b[0m\n\x1b[32m\u2502 \u251c\u2500\u2500\x1b[0m \x1b[33m.hidden\x1b[0m\n\x1b[32m\u2502 \u251c\u2500\u2500\x1b[0m test.txt\n\x1b[32m\u2502 \u2514\u2500\u2500\x1b[0m test2.txt\n\x1b[32m\u251c\u2500\u2500\x1b[0m root1\n\x1b[32m\u2514\u2500\u2500\x1b[0m root2\n"
self.assertEqual(output_file.getvalue(), expected)
def test_tree_bytes_no_dirs_first(self):
output_file = io.StringIO()
tree.render(self.fs, file=output_file, dirs_first=False)
expected = "|-- bar\n|-- baz\n|-- deep\n| `-- deep1\n| `-- deep2\n| `-- deep3\n| `-- deep4\n| `-- deep5\n|-- foo\n| |-- .hidden\n| |-- egg1\n| |-- egg2\n| |-- test.txt\n| `-- test2.txt\n|-- root1\n`-- root2\n"
self.assertEqual(output_file.getvalue(), expected)
def test_error(self):
output_file = io.StringIO()
filterdir = self.fs.filterdir
def broken_filterdir(path, **kwargs):
if path.startswith("/deep/deep1/"):
# Because error messages differ accross Python versions
raise Exception("integer division or modulo by zero")
return filterdir(path, **kwargs)
self.fs.filterdir = broken_filterdir
tree.render(self.fs, file=output_file, with_color=True)
expected = "\x1b[32m\u251c\u2500\u2500\x1b[0m \x1b[1;34mbar\x1b[0m\n\x1b[32m\u251c\u2500\u2500\x1b[0m \x1b[1;34mbaz\x1b[0m\n\x1b[32m\u251c\u2500\u2500\x1b[0m \x1b[1;34mdeep\x1b[0m\n\x1b[32m\u2502 \u2514\u2500\u2500\x1b[0m \x1b[1;34mdeep1\x1b[0m\n\x1b[32m\u2502 \u2514\u2500\u2500\x1b[0m \x1b[1;34mdeep2\x1b[0m\n\x1b[32m\u2502 \u2514\u2500\u2500\x1b[0m \x1b[31merror (integer division or modulo by zero)\x1b[0m\n\x1b[32m\u251c\u2500\u2500\x1b[0m \x1b[1;34mfoo\x1b[0m\n\x1b[32m\u2502 \u251c\u2500\u2500\x1b[0m \x1b[1;34megg1\x1b[0m\n\x1b[32m\u2502 \u251c\u2500\u2500\x1b[0m \x1b[1;34megg2\x1b[0m\n\x1b[32m\u2502 \u251c\u2500\u2500\x1b[0m \x1b[33m.hidden\x1b[0m\n\x1b[32m\u2502 \u251c\u2500\u2500\x1b[0m test.txt\n\x1b[32m\u2502 \u2514\u2500\u2500\x1b[0m test2.txt\n\x1b[32m\u251c\u2500\u2500\x1b[0m root1\n\x1b[32m\u2514\u2500\u2500\x1b[0m root2\n"
tree_output = output_file.getvalue()
print(repr(tree_output))
self.assertEqual(expected, tree_output)
output_file = io.StringIO()
tree.render(self.fs, file=output_file, with_color=False)
expected = "|-- bar\n|-- baz\n|-- deep\n| `-- deep1\n| `-- deep2\n| `-- error (integer division or modulo by zero)\n|-- foo\n| |-- egg1\n| |-- egg2\n| |-- .hidden\n| |-- test.txt\n| `-- test2.txt\n|-- root1\n`-- root2\n"
self.assertEqual(expected, output_file.getvalue())
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