Do not wrap implicitly concatenated strings used as func args in parens (#3640)

[etc/vim.git] / tests / data / preview / long_strings.py

diff --git a/tests/data/preview/long_strings.py b/tests/data/preview/long_strings.py
index 26400eea450f8b0b383f5b56511a783676e39e91..059148729d57ed784eb3dc015426475a8882ad1b 100644 (file)
--- a/tests/data/preview/long_strings.py
+++ b/tests/data/preview/long_strings.py
@@ -18,6 +18,26 @@ D3 = {x: "This is a really long string that can't possibly be expected to fit al
 
 D4 = {"A long and ridiculous {}".format(string_key): "This is a really really really long string that has to go i,side of a dictionary. It is soooo bad.", some_func("calling", "some", "stuff"): "This is a really really really long string that has to go inside of a dictionary. It is {soooo} bad (#{x}).".format(sooo="soooo", x=2), "A %s %s" % ("formatted", "string"): "This is a really really really long string that has to go inside of a dictionary. It is %s bad (#%d)." % ("soooo", 2)}
 
+D5 = {  # Test for https://github.com/psf/black/issues/3261
+    ("This is a really long string that can't be expected to fit in one line and is used as a nested dict's key"): {"inner": "value"},
+}
+
+D6 = {  # Test for https://github.com/psf/black/issues/3261
+    ("This is a really long string that can't be expected to fit in one line and is used as a dict's key"): ["value1", "value2"],
+}
+
+L1 = ["The is a short string", "This is a really long string that can't possibly be expected to fit all together on one line. Also it is inside a list literal, so it's expected to be wrapped in parens when splitting to avoid implicit str concatenation.", short_call("arg", {"key": "value"}), "This is another really really (not really) long string that also can't be expected to fit on one line and is, like the other string, inside a list literal.", ("parens should be stripped for short string in list")]
+
+L2 = ["This is a really long string that can't be expected to fit in one line and is the only child of a list literal."]
+
+S1 = {"The is a short string", "This is a really long string that can't possibly be expected to fit all together on one line. Also it is inside a set literal, so it's expected to be wrapped in parens when splitting to avoid implicit str concatenation.", short_call("arg", {"key": "value"}), "This is another really really (not really) long string that also can't be expected to fit on one line and is, like the other string, inside a set literal.", ("parens should be stripped for short string in set")}
+
+S2 = {"This is a really long string that can't be expected to fit in one line and is the only child of a set literal."}
+
+T1 = ("The is a short string", "This is a really long string that can't possibly be expected to fit all together on one line. Also it is inside a tuple literal, so it's expected to be wrapped in parens when splitting to avoid implicit str concatenation.", short_call("arg", {"key": "value"}), "This is another really really (not really) long string that also can't be expected to fit on one line and is, like the other string, inside a tuple literal.", ("parens should be stripped for short string in list"))
+
+T2 = ("This is a really long string that can't be expected to fit in one line and is the only child of a tuple literal.",)
+
 func_with_keywords(my_arg, my_kwarg="Long keyword strings also need to be wrapped, but they will probably need to be handled a little bit differently.")
 
 bad_split1 = (
@@ -109,7 +129,7 @@ fstring_with_no_fexprs = f"Some regular string that needs to get split certainly
 
 comment_string = "Long lines with inline comments should have their comments appended to the reformatted string's enclosing right parentheses."  # This comment gets thrown to the top.
 
-arg_comment_string = print("Long lines with inline comments which are apart of (and not the only member of) an argument list should have their comments appended to the reformatted string's enclosing left parentheses.",  # This comment stays on the bottom.
+arg_comment_string = print("Long lines with inline comments which are apart of (and not the only member of) an argument list should have their comments appended to the reformatted string's enclosing left parentheses.",  # This comment gets thrown to the top.
     "Arg #2", "Arg #3", "Arg #4", "Arg #5")
 
 pragma_comment_string1 = "Lines which end with an inline pragma comment of the form `# <pragma>: <...>` should be left alone."  # noqa: E501
@@ -258,6 +278,32 @@ string_with_escaped_nameescape = (
     "........................................................................... \\N{LAO KO LA}"
 )
 
+msg = lambda x: f"this is a very very very long lambda value {x} that doesn't fit on a single line"
+
+dict_with_lambda_values = {
+    "join": lambda j: (
+        f"{j.__class__.__name__}({some_function_call(j.left)}, "
+        f"{some_function_call(j.right)})"
+    ),
+}
+
+# Complex string concatenations with a method call in the middle.
+code = (
+    ("    return [\n")
+    + (
+        ", \n".join(
+            "        (%r, self.%s, visitor.%s)"
+            % (attrname, attrname, visit_name)
+            for attrname, visit_name in names
+        )
+    )
+    + ("\n    ]\n")
+)
+
+
+# Test case of an outer string' parens enclose an inner string's parens.
+call(body=("%s %s" % ((",".join(items)), suffix)))
+
 
 # output
 
@@ -340,11 +386,88 @@ D4 = {
     "A %s %s"
     % ("formatted", "string"): (
         "This is a really really really long string that has to go inside of a"
-        " dictionary. It is %s bad (#%d)."
-    )
-    % ("soooo", 2),
+        " dictionary. It is %s bad (#%d)." % ("soooo", 2)
+    ),
+}
+
+D5 = {  # Test for https://github.com/psf/black/issues/3261
+    "This is a really long string that can't be expected to fit in one line and is used as a nested dict's key": {
+        "inner": "value"
+    },
+}
+
+D6 = {  # Test for https://github.com/psf/black/issues/3261
+    "This is a really long string that can't be expected to fit in one line and is used as a dict's key": [
+        "value1",
+        "value2",
+    ],
+}
+
+L1 = [
+    "The is a short string",
+    (
+        "This is a really long string that can't possibly be expected to fit all"
+        " together on one line. Also it is inside a list literal, so it's expected to"
+        " be wrapped in parens when splitting to avoid implicit str concatenation."
+    ),
+    short_call("arg", {"key": "value"}),
+    (
+        "This is another really really (not really) long string that also can't be"
+        " expected to fit on one line and is, like the other string, inside a list"
+        " literal."
+    ),
+    "parens should be stripped for short string in list",
+]
+
+L2 = [
+    "This is a really long string that can't be expected to fit in one line and is the"
+    " only child of a list literal."
+]
+
+S1 = {
+    "The is a short string",
+    (
+        "This is a really long string that can't possibly be expected to fit all"
+        " together on one line. Also it is inside a set literal, so it's expected to be"
+        " wrapped in parens when splitting to avoid implicit str concatenation."
+    ),
+    short_call("arg", {"key": "value"}),
+    (
+        "This is another really really (not really) long string that also can't be"
+        " expected to fit on one line and is, like the other string, inside a set"
+        " literal."
+    ),
+    "parens should be stripped for short string in set",
 }
 
+S2 = {
+    "This is a really long string that can't be expected to fit in one line and is the"
+    " only child of a set literal."
+}
+
+T1 = (
+    "The is a short string",
+    (
+        "This is a really long string that can't possibly be expected to fit all"
+        " together on one line. Also it is inside a tuple literal, so it's expected to"
+        " be wrapped in parens when splitting to avoid implicit str concatenation."
+    ),
+    short_call("arg", {"key": "value"}),
+    (
+        "This is another really really (not really) long string that also can't be"
+        " expected to fit on one line and is, like the other string, inside a tuple"
+        " literal."
+    ),
+    "parens should be stripped for short string in list",
+)
+
+T2 = (
+    (
+        "This is a really long string that can't be expected to fit in one line and is"
+        " the only child of a tuple literal."
+    ),
+)
+
 func_with_keywords(
     my_arg,
     my_kwarg=(
@@ -487,7 +610,7 @@ comment_string = (  # This comment gets thrown to the top.
 arg_comment_string = print(
     "Long lines with inline comments which are apart of (and not the only member of) an"
     " argument list should have their comments appended to the reformatted string's"
-    " enclosing left parentheses.",  # This comment stays on the bottom.
+    " enclosing left parentheses.",  # This comment gets thrown to the top.
     "Arg #2",
     "Arg #3",
     "Arg #4",
@@ -694,3 +817,31 @@ string_with_escaped_nameescape = (
     "..........................................................................."
     " \\N{LAO KO LA}"
 )
+
+msg = (
+    lambda x: (
+        f"this is a very very very long lambda value {x} that doesn't fit on a single"
+        " line"
+    )
+)
+
+dict_with_lambda_values = {
+    "join": lambda j: (
+        f"{j.__class__.__name__}({some_function_call(j.left)}, "
+        f"{some_function_call(j.right)})"
+    ),
+}
+
+# Complex string concatenations with a method call in the middle.
+code = (
+    "    return [\n"
+    + ", \n".join(
+        "        (%r, self.%s, visitor.%s)" % (attrname, attrname, visit_name)
+        for attrname, visit_name in names
+    )
+    + "\n    ]\n"
+)
+
+
+# Test case of an outer string' parens enclose an inner string's parens.
+call(body="%s %s" % (",".join(items), suffix))