/brz/remove-bazaar

# Copyright (C) 2010 Canonical Ltd

# Copyright (C) 2010 Parth Malwankar <parth.malwankar@gmail.com>

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

import os

import re

from bzrlib import tests

class TestGrep(tests.TestCaseWithTransport):

    def _str_contains(self, base, pattern, flags=re.MULTILINE|re.DOTALL):

        res = re.findall(pattern, base, flags)

        return res != []

    def _mk_file(self, path, line_prefix, total_lines, versioned):

        text=''

        for i in range(total_lines):

            text += line_prefix + str(i+1) + "\n"

        open(path, 'w').write(text)

        if versioned:

            self.run_bzr(['add', path])

            self.run_bzr(['ci', '-m', '"' + path + '"'])

    def _update_file(self, path, text):

        """append text to file 'path' and check it in"""

        open(path, 'a').write(text)

        self.run_bzr(['ci', '-m', '"' + path + '"'])

    def _mk_unversioned_file(self, path, line_prefix='line', total_lines=10):

        self._mk_file(path, line_prefix, total_lines, versioned=False)

    def _mk_versioned_file(self, path, line_prefix='line', total_lines=10):

        self._mk_file(path, line_prefix, total_lines, versioned=True)

    def _mk_dir(self, path, versioned):

        os.mkdir(path)

        if versioned:

            self.run_bzr(['add', path])

            self.run_bzr(['ci', '-m', '"' + path + '"'])

    def _mk_unversioned_dir(self, path):

        self._mk_dir(path, versioned=False)

    def _mk_versioned_dir(self, path):

        self._mk_dir(path, versioned=True)

    def test_basic_unversioned_file(self):

        """search for pattern in specfic file. should issue warning."""

        wd = 'foobar0'

        self.make_branch_and_tree(wd)

        os.chdir(wd)

        self._mk_unversioned_file('file0.txt')

        out, err = self.run_bzr(['grep', 'line1', 'file0.txt'])

        self.assertFalse(out, self._str_contains(out, "file0.txt:line1"))

        self.assertTrue(err, self._str_contains(err, "warning: skipped.*file0.txt.*\."))

    def test_basic_versioned_file(self):

        """search for pattern in specfic file"""

        wd = 'foobar0'

        self.make_branch_and_tree(wd)

        os.chdir(wd)

        self._mk_versioned_file('file0.txt')

        out, err = self.run_bzr(['grep', 'line1', 'file0.txt'])

        self.assertTrue(out, self._str_contains(out, "file0.txt:line1"))

        self.assertFalse(err, self._str_contains(err, "warning: skipped.*file0.txt.*\."))

    def test_multiple_files(self):

        """search for pattern in multiple files"""

        wd = 'foobar0'

        self.make_branch_and_tree(wd)

        os.chdir(wd)

        self._mk_versioned_file('file0.txt', total_lines=2)

        self._mk_versioned_file('file1.txt', total_lines=2)

        self._mk_versioned_file('file2.txt', total_lines=2)

        out, err = self.run_bzr(['grep', 'line[1-2]'])

        self.assertTrue(out, self._str_contains(out, "file0.txt:line1"))

        self.assertTrue(out, self._str_contains(out, "file0.txt:line2"))

        self.assertTrue(out, self._str_contains(out, "file1.txt:line1"))

        self.assertTrue(out, self._str_contains(out, "file1.txt:line2"))

        self.assertTrue(out, self._str_contains(out, "file2.txt:line1"))

        self.assertTrue(out, self._str_contains(out, "file2.txt:line2"))

    def test_null_option(self):

        """--null option should use NUL instead of newline"""

        wd = 'foobar0'

        self.make_branch_and_tree(wd)

        os.chdir(wd)

        self._mk_versioned_file('file0.txt', total_lines=3)

        out, err = self.run_bzr(['grep', '--null', 'line[1-3]'])

        self.assertTrue(out == "file0.txt:line1\0file0.txt:line2\0file0.txt:line3\0")

        out, err = self.run_bzr(['grep', '-Z', 'line[1-3]'])

        self.assertTrue(out == "file0.txt:line1\0file0.txt:line2\0file0.txt:line3\0")

    def test_versioned_file_in_dir_no_recurse(self):

        """should not recurse without -R"""

        wd = 'foobar0'

        self.make_branch_and_tree(wd)

        os.chdir(wd)

        self._mk_versioned_dir('dir0')

        self._mk_versioned_file('dir0/file0.txt')

        out, err = self.run_bzr(['grep', 'line1'])

        self.assertFalse(out, self._str_contains(out, "file0.txt:line1"))

    def test_versioned_file_in_dir_recurse(self):

        """should find pattern in hierarchy with -R"""

        wd = 'foobar0'

        self.make_branch_and_tree(wd)

        os.chdir(wd)

        self._mk_versioned_dir('dir0')

        self._mk_versioned_file('dir0/file0.txt')

        out, err = self.run_bzr(['grep', '-R', 'line1'])

        self.assertTrue(out, self._str_contains(out, "^dir0/file0.txt:line1"))

        out, err = self.run_bzr(['grep', '--recursive', 'line1'])

        self.assertTrue(out, self._str_contains(out, "^dir0/file0.txt:line1"))

    def test_versioned_file_within_dir(self):

        """search for pattern while in nested dir"""

        wd = 'foobar0'

        self.make_branch_and_tree(wd)

        os.chdir(wd)

        self._mk_versioned_dir('dir0')

        self._mk_versioned_file('dir0/file0.txt')

        os.chdir('dir0')

        out, err = self.run_bzr(['grep', 'line1'])

        self.assertTrue(out, self._str_contains(out, "^file0.txt:line1"))

    def test_versioned_file_within_dir_two_levels(self):

        """search for pattern while in nested dir (two levels)"""

        wd = 'foobar0'

        self.make_branch_and_tree(wd)

        os.chdir(wd)

        self._mk_versioned_dir('dir0')

        self._mk_versioned_dir('dir0/dir1')

        self._mk_versioned_file('dir0/dir1/file0.txt')

        os.chdir('dir0')

        out, err = self.run_bzr(['grep', '-R', 'line1'])

        self.assertTrue(out, self._str_contains(out, "^dir1/file0.txt:line1"))

        out, err = self.run_bzr(['grep', '--from-root', 'line1'])

        self.assertTrue(out, self._str_contains(out, "^dir0/dir1/file0.txt:line1"))

        out, err = self.run_bzr(['grep', 'line1'])

        self.assertFalse(out, self._str_contains(out, "file0.txt"))

    def test_ignore_case_no_match(self):

        """match fails without --ignore-case"""

        wd = 'foobar0'

        self.make_branch_and_tree(wd)

        os.chdir(wd)

        self._mk_versioned_file('file0.txt')

        out, err = self.run_bzr(['grep', 'LinE1', 'file0.txt'])

        self.assertFalse(out, self._str_contains(out, "file0.txt:line1"))

    def test_ignore_case_match(self):

        """match fails without --ignore-case"""

        wd = 'foobar0'

        self.make_branch_and_tree(wd)

        os.chdir(wd)

        self._mk_versioned_file('file0.txt')

        out, err = self.run_bzr(['grep', '-i', 'LinE1', 'file0.txt'])

        self.assertTrue(out, self._str_contains(out, "file0.txt:line1"))

        out, err = self.run_bzr(['grep', '--ignore-case', 'LinE1', 'file0.txt'])

        self.assertTrue(out, self._str_contains(out, "^file0.txt:line1"))

    def test_from_root_fail(self):

        """match should fail without --from-root"""

        wd = 'foobar0'

        self.make_branch_and_tree(wd)

        os.chdir(wd)

        self._mk_versioned_file('file0.txt')

        self._mk_versioned_dir('dir0')

        os.chdir('dir0')

        out, err = self.run_bzr(['grep', 'line1'])

        self.assertFalse(out, self._str_contains(out, ".*file0.txt:line1"))

    def test_from_root_pass(self):

        """match pass with --from-root"""

        wd = 'foobar0'

        self.make_branch_and_tree(wd)

        os.chdir(wd)

        self._mk_versioned_file('file0.txt')

        self._mk_versioned_dir('dir0')

        os.chdir('dir0')

        out, err = self.run_bzr(['grep', '--from-root', 'line1'])

        self.assertTrue(out, self._str_contains(out, ".*file0.txt:line1"))

    def test_with_line_number(self):

        """search for pattern with --line-number"""

        wd = 'foobar0'

        self.make_branch_and_tree(wd)

        os.chdir(wd)

        self._mk_versioned_file('file0.txt')

        out, err = self.run_bzr(['grep', '--line-number', 'line3', 'file0.txt'])

        self.assertTrue(out, self._str_contains(out, "file0.txt:3:line1"))

        out, err = self.run_bzr(['grep', '-n', 'line1', 'file0.txt'])

        self.assertTrue(out, self._str_contains(out, "file0.txt:1:line1"))

    def test_basic_history_grep_file(self):

        """search for pattern in specific revision number in a file"""

        wd = 'foobar0'

        fname = 'file0.txt'

        self.make_branch_and_tree(wd)

        os.chdir(wd)

        self._mk_versioned_file(fname)

        self._update_file(fname, text="v2 text\n")

        self._update_file(fname, text="v3 text\n")

        self._update_file(fname, text="v4 text\n")

        # rev 2 should not have text 'v3'

        out, err = self.run_bzr(['grep', '-r', '2', 'v3', fname])

        self.assertFalse(out, self._str_contains(out, "file0.txt"))

        # rev 3 should not have text 'v3'

        out, err = self.run_bzr(['grep', '-r', '3', 'v3', fname])

        self.assertTrue(out, self._str_contains(out, "file0.txt~3:v3.*"))

        # rev 3 should not have text 'v3' with line number

        out, err = self.run_bzr(['grep', '-r', '3', '-n', 'v3', fname])

        self.assertTrue(out, self._str_contains(out, "file0.txt~3:2:v3.*"))

    def test_basic_history_grep_full(self):

        """search for pattern in specific revision number in a file"""

        wd = 'foobar0'

        fname = 'file0.txt'

        self.make_branch_and_tree(wd)

        os.chdir(wd)

        self._mk_versioned_file(fname)              # rev1

        self._mk_versioned_file('file1.txt')        # rev2

        self._update_file(fname, text="v3 text\n")  # rev3

        self._update_file(fname, text="v4 text\n")  # rev4

        self._update_file(fname, text="v5 text\n")  # rev5

        # rev 2 should not have text 'v3'

        out, err = self.run_bzr(['grep', '-r', '2', 'v3'])

        self.assertFalse(out, self._str_contains(out, "file0.txt"))

        # rev 3 should not have text 'v3'

        out, err = self.run_bzr(['grep', '-r', '3', 'v3'])

        self.assertTrue(out, self._str_contains(out, "file0.txt~3:v3.*"))

        # rev 3 should not have text 'v3' with line number

        out, err = self.run_bzr(['grep', '-r', '3', '-n', 'v3'])

        self.assertTrue(out, self._str_contains(out, "file0.txt~3:2:v3.*"))