Alexander
251 lines
10 KiB
Python
251 lines
10 KiB
Python
import pytest
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from thefuck import shell_ast
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from thefuck.learned import LearnedCorrections
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@pytest.fixture
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def learned(tmp_path):
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lc = LearnedCorrections()
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lc._db = {}
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return lc
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class TestRecord(object):
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def test_noop_when_scripts_identical(self, learned):
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learned.record("git push", "git push")
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assert len(learned.db) == 0
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def test_stores_full_command_mapping(self, learned):
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learned.record("git psuh origin main", "git push origin main")
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assert (
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learned.db["cmd:git psuh origin main"]["corrected"]
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== "git push origin main"
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)
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def test_increments_count_on_repeat(self, learned):
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learned.record("git psuh", "git push")
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learned.record("git psuh", "git push")
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assert learned.db["cmd:git psuh"]["count"] == 2
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def test_updates_timestamp(self, learned):
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learned.record("git psuh", "git push")
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first_ts = learned.db["cmd:git psuh"]["timestamp"]
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learned.record("git psuh", "git push")
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assert learned.db["cmd:git psuh"]["timestamp"] >= first_ts
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def test_stores_command_word_replacement(self, learned):
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learned.record("pyhton script.py", "python script.py")
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assert learned.db["word:pyhton"]["replacement"] == "python"
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def test_stores_subcommand_replacement(self, learned):
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learned.record("git psuh origin main", "git push origin main")
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assert learned.db["part:git:psuh"]["replacement"] == "push"
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def test_stores_multiple_word_diffs(self, learned):
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learned.record("gti comit -m msg", "git commit -m msg")
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assert learned.db["word:gti"]["replacement"] == "git"
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assert learned.db["part:git:comit"]["replacement"] == "commit"
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def test_no_word_level_when_lengths_differ(self, learned):
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learned.record("git push", "git push --set-upstream origin main")
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assert "cmd:git push" in learned.db
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assert not any(
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k.startswith("word:") or k.startswith("part:") for k in learned.db
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)
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def test_updates_correction_on_changed_choice(self, learned):
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learned.record("apt install vim", "sudo apt install vim")
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learned.record("apt install vim", "apt-get install vim")
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assert learned.db["cmd:apt install vim"]["corrected"] == "apt-get install vim"
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assert learned.db["cmd:apt install vim"]["count"] == 2
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class TestGetCorrection(object):
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def test_exact_full_command_match(self, learned):
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learned.record("git psuh origin main", "git push origin main")
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assert learned.get_correction("git psuh origin main") == "git push origin main"
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def test_generalises_subcommand_to_different_args(self, learned):
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learned.record("git psuh origin main", "git push origin main")
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assert learned.get_correction("git psuh origin dev") == "git push origin dev"
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def test_generalises_command_word(self, learned):
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learned.record("pyhton script.py", "python script.py")
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assert learned.get_correction("pyhton other.py") == "python other.py"
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def test_combined_command_and_subcommand(self, learned):
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learned.record("gti comit -m msg", "git commit -m msg")
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assert learned.get_correction('gti comit -m "other"') == 'git commit -m "other"'
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def test_returns_none_when_no_match(self, learned):
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assert learned.get_correction("totally unknown cmd") is None
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def test_returns_none_for_empty_script(self, learned):
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assert learned.get_correction("") is None
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def test_prefers_full_command_over_word_level(self, learned):
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learned.record("git psuh origin main", "git push origin main")
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learned.db["cmd:git psuh origin main"]["corrected"] = (
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"git push --force origin main"
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)
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assert (
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learned.get_correction("git psuh origin main")
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== "git push --force origin main"
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)
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def test_word_level_only_replaces_known_tokens(self, learned):
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learned.record("git psuh origin main", "git push origin main")
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result = learned.get_correction("git psuh origin dev")
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assert result == "git push origin dev"
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def test_cross_resolve_command_and_part(self, learned):
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"""When both cmd word and subcommand are typos, parts stored
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under the corrected cmd name still resolve."""
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learned.record("gti psuh origin main", "git push origin main")
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assert learned.get_correction("gti psuh origin dev") == "git push origin dev"
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def test_single_word_command(self, learned):
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learned.record("sl", "ls")
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assert learned.get_correction("sl") == "ls"
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class TestGuessFromPath(object):
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@pytest.fixture
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def path_bins(self, monkeypatch):
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def setup(executables, existing=()):
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monkeypatch.setattr('thefuck.learned.get_all_executables',
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lambda: list(executables))
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monkeypatch.setattr('thefuck.learned.which',
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lambda token: token in existing)
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return setup
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def test_guesses_unique_close_match(self, learned, path_bins):
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path_bins(executables=['clear', 'grep', 'sed'])
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assert learned.guess_from_path('cler') == 'clear'
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def test_keeps_arguments(self, learned, path_bins):
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path_bins(executables=['python', 'pydoc', 'grep'])
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assert (learned.guess_from_path('pyhton script.py')
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== 'python script.py')
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def test_returns_none_when_ambiguous(self, learned, path_bins):
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path_bins(executables=['clear', 'clean'])
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assert learned.guess_from_path('clea') is None
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def test_returns_none_when_token_is_executable(self, learned, path_bins):
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path_bins(executables=['clear'], existing=['clear'])
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assert learned.guess_from_path('clear') is None
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def test_returns_none_for_path_like_token(self, learned, path_bins):
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path_bins(executables=['git', 'grep', 'sed'])
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assert learned.guess_from_path('./gti push') is None
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def test_returns_none_for_token_with_extension(self, learned, path_bins):
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path_bins(executables=['git', 'grep', 'sed'])
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assert learned.guess_from_path('giti.py x') is None
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def test_returns_none_when_first_char_differs(self, learned, path_bins):
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path_bins(executables=['top'])
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assert learned.guess_from_path('htop') is None
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def test_returns_none_below_cutoff(self, learned, path_bins):
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path_bins(executables=['grep', 'sed', 'awk'])
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assert learned.guess_from_path('total') is None
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def test_guesses_after_sudo(self, learned, path_bins):
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path_bins(executables=['clear', 'grep', 'sed'])
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assert learned.guess_from_path('sudo cler') == 'sudo clear'
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def test_returns_none_for_empty_script(self, learned, path_bins):
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path_bins(executables=['git'])
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assert learned.guess_from_path('') is None
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class TestGuessFromPathSegments(object):
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pytestmark = pytest.mark.skipif(
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not shell_ast.AST_AVAILABLE, reason='bashlex required')
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@pytest.fixture
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def path_bins(self, monkeypatch):
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def setup(executables, existing=()):
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monkeypatch.setattr('thefuck.learned.get_all_executables',
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lambda: list(executables))
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monkeypatch.setattr('thefuck.learned.which',
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lambda token: token in existing)
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return setup
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def test_fixes_head_of_every_pipe_segment(self, learned, path_bins):
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path_bins(executables=['git', 'grep', 'sed'])
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assert (learned.guess_from_path('gi psuh | gre -i foo')
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== 'git psuh | grep -i foo')
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def test_fixes_only_segment_with_unknown_head(self, learned, path_bins):
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path_bins(executables=['git', 'grep', 'sed'], existing=['git'])
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assert (learned.guess_from_path('git psuh | gre -i foo')
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== 'git psuh | grep -i foo')
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def test_returns_none_when_all_heads_executable(self, learned, path_bins):
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path_bins(executables=['git', 'grep'], existing=['git', 'grep'])
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assert learned.guess_from_path('git psuh | grep -i foo') is None
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def test_skips_ambiguous_segment_fixes_others(self, learned, path_bins):
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path_bins(executables=['clear', 'clean', 'grep'])
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assert (learned.guess_from_path('clea psuh | gre -i foo')
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== 'clea psuh | grep -i foo')
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def test_guesses_after_sudo_in_pipe(self, learned, path_bins):
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path_bins(executables=['clear', 'grep'])
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assert (learned.guess_from_path('sudo cler | gre -i foo')
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== 'sudo clear | grep -i foo')
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def test_guesses_after_sudo_flat(self, learned, path_bins):
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path_bins(executables=['clear', 'grep', 'sed'])
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assert learned.guess_from_path('sudo cler') == 'sudo clear'
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def test_replaces_quoted_head_whole(self, learned, path_bins):
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path_bins(executables=['clear', 'grep', 'sed'])
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assert learned.guess_from_path('"cler" psuh') == 'clear psuh'
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def test_preserves_spacing_between_words(self, learned, path_bins):
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path_bins(executables=['clear', 'grep', 'sed'])
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assert learned.guess_from_path('cler psuh') == 'clear psuh'
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def test_unparseable_script_falls_back_to_flat_view(
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self, learned, path_bins):
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path_bins(executables=['clear', 'grep', 'sed'])
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assert (
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learned.guess_from_path('cler psuh; case $x in y) ;; esac')
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== 'clear psuh; case $x in y) ;; esac')
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class TestClear(object):
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def test_removes_all_entries(self, learned):
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learned.record("git psuh", "git push")
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learned.record("pyhton x.py", "python x.py")
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learned.clear()
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assert len(learned.db) == 0
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def test_no_matches_after_clear(self, learned):
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learned.record("git psuh", "git push")
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learned.clear()
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assert learned.get_correction("git psuh") is None
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class TestRoundTrip(object):
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def test_record_then_match(self, learned):
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learned.record("docker bilud .", "docker build .")
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assert learned.get_correction("docker bilud .") == "docker build ."
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def test_record_then_generalise(self, learned):
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learned.record("docker bilud -t foo .", "docker build -t foo .")
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assert (
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learned.get_correction("docker bilud -t bar .") == "docker build -t bar ."
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)
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def test_multiple_distinct_commands(self, learned):
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learned.record("git psuh", "git push")
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learned.record("pyhton x.py", "python x.py")
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assert learned.get_correction("git psuh") == "git push"
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assert learned.get_correction("pyhton y.py") == "python y.py"
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