test: port most umount test cases to pytest+pexpect

test/lib/completions/umount.exp

@@ -1,36 +1,10 @@
-# umount completion from fstab can't be tested directly because it
-# (correctly) uses absolute paths. So we create a custom completion which
-# reads from a file in our text fixture instead.
-proc setup_dummy_mnt {} {
-    assert_bash_exec {unset COMPREPLY cur}
-    assert_bash_exec {unset -f _mnt}
-
-    assert_bash_exec { \
-        _mnt() { \
-            local cur=$(_get_cword); \
-            _linux_fstab $(_get_pword) < "$SRCDIRABS/fixtures/mount/test-fstab"; \
-        }; \
-        complete -F _mnt mnt \
-    }
-}
-
-
-proc teardown_dummy_mnt {} {
-    assert_bash_exec {unset COMPREPLY cur}
-    assert_bash_exec {unset -f _mnt}
-    assert_bash_exec {complete -r mnt}
-}
-
-
 proc setup {} {
     save_env
-    setup_dummy_mnt
 }
 
 
 proc teardown {} {
-    teardown_dummy_mnt
-    assert_env_unmodified {/OLDPWD/d}
+    assert_env_unmodified
 }
 
 
@@ -54,42 +28,4 @@ assert_bash_exec {unset var}
 sync_after_int
 
 
-# Begin testing through mnt (see setup_dummy_mnt).
-assert_complete {/mnt/nice-test-path} {mnt /mnt/nice-test-p}
-sync_after_int
-
-assert_complete {/mnt/nice\ test-path} {mnt /mnt/nice\ test-p}
-sync_after_int
-
-assert_complete {/mnt/nice\$test-path} {mnt /mnt/nice\$test-p}
-sync_after_int
-
-assert_complete {/mnt/nice\ test\\path} {mnt /mnt/nice\ test\\p}
-sync_after_int
-
-assert_complete {{/mnt/nice\ test\\path} {/mnt/nice\ test-path}} \
-    {mnt /mnt/nice\ } "" -expect-cmd-minus {/mnt/nice\ }
-sync_after_int
-
-assert_complete {/mnt/nice\$test-path} {mnt /mnt/nice\$}
-sync_after_int
-
-assert_complete {/mnt/nice\'test-path} {mnt /mnt/nice\'}
-sync_after_int
-
-assert_complete {/mnt/other\'test\ path} {mnt /mnt/other}
-sync_after_int
-
-assert_complete {Ubuntu\ Karmic} {mnt -L Ubu}
-sync_after_int
-
-assert_complete {Debian-it\'s\ awesome} {mnt -L Deb}
-sync_after_int
-
-# This does not work. Proper support for this requires smarter parsing of
-# $COMP_LINE and it's not worth doing just for umount.
-#assert_complete {$'/mnt/nice\ntest-path'} {mnt $'/mnt/nice\n}
-#sync_after_int
-
-
 teardown

test/t/test_umount.py

@@ -1,7 +1,74 @@
 import pytest
 
+from conftest import assert_bash_exec
+
 
 class TestUmount:
+    @pytest.fixture(scope="class")
+    def dummy_mnt(self, request, bash):
+        """
+        umount completion from fstab can't be tested directly because it
+        (correctly) uses absolute paths. So we create a custom completion which
+        reads from a file in our text fixture instead.
+        """
+        assert_bash_exec(bash, "unset COMPREPLY cur; unset -f _mnt")
+        assert_bash_exec(
+            bash,
+            "_mnt() { "
+            "local cur=$(_get_cword); "
+            "_linux_fstab $(_get_pword) < mount/test-fstab; "
+            "} && complete -F _mnt mnt",
+        )
+        request.addfinalizer(
+            lambda: assert_bash_exec(bash, "complete -r mnt; unset -f _mnt")
+        )
+
     @pytest.mark.complete("umount ")
     def test_1(self, completion):
         assert completion
+
+    @pytest.mark.complete("mnt /mnt/nice-test-p")
+    def test_mnt_basic(self, completion, dummy_mnt):
+        assert completion == "/mnt/nice-test-path"
+
+    # Note in tests below that return only one result, that the result
+    # is shell unescaped due to how assert_complete handles the
+    # "one result on same line case".
+
+    @pytest.mark.complete(r"mnt /mnt/nice\ test-p")
+    def test_mnt_space(self, completion, dummy_mnt):
+        assert completion == r"/mnt/nice test-path"
+
+    @pytest.mark.complete(r"mnt /mnt/nice\$test-p")
+    def test_mnt_dollar(self, completion, dummy_mnt):
+        assert completion == "/mnt/nice$test-path"
+
+    @pytest.mark.complete(r"mnt /mnt/nice\ test\\p")
+    def test_mnt_backslash(self, completion, dummy_mnt):
+        assert completion == r"/mnt/nice test\path"
+
+    @pytest.mark.complete(r"mnt /mnt/nice\ ")
+    def test_mnt_after_space(self, completion, dummy_mnt):
+        assert completion == sorted(
+            (r"/mnt/nice\ test\\path", r"/mnt/nice\ test-path")
+        )
+
+    @pytest.mark.complete(r"mnt /mnt/nice\$")
+    def test_mnt_at_dollar(self, completion, dummy_mnt):
+        assert completion == "/mnt/nice$test-path"
+
+    @pytest.mark.complete(r"mnt /mnt/nice\'")
+    def test_mnt_at_quote(self, completion, dummy_mnt):
+        assert completion == "/mnt/nice'test-path"
+
+    @pytest.mark.complete("mnt /mnt/other")
+    def test_mnt_other(self, completion, dummy_mnt):
+        assert completion == "/mnt/other'test path"
+
+    @pytest.mark.complete("mnt -L Ubu")
+    def test_mnt_label_space(self, completion, dummy_mnt):
+        assert completion == "Ubuntu Karmic"
+
+    @pytest.mark.complete("mnt -L Deb")
+    def test_mnt_label_quote(self, completion, dummy_mnt):
+        assert completion == "Debian-it's awesome"