String localization tests
localizationkit is a toolkit for ensuring that your localized strings are the best that they can be.
Included are tests for various things such as:
- Checking that all strings have comments
- Checking that the comments don't just match the value
- Check that tokens have position specifiers
- Check that no invalid tokens are included
with lots more to come.
To use the library, first off, create a configuration file that is in the TOML format. Here's an example:
default_language = "en" [has_comments] minimum_comment_length = 25 minimum_comment_words = 8 [token_matching] allow_missing_defaults = true [token_position_identifiers] always = false
This configuration file sets that
en is the default language (so this is the language that will be checked for comments, etc. and all tests will run relative to it). Then it sets various settings for each test. Every instance of
[something_here] specifies that the following settings are for that test. For example, the test
has_comments will now make sure that not only are there comments, but that they are at least 25 characters in length and 8 words in length.
You can now load in your configuration:
from localizationkit import Configuration configuration = Configuration.from_file("/path/to/config.toml")
Now we need to prepare the strings that will go in. Here's how you can create an individual string:
from localizationkit import LocalizedString my_string = LocalizedString("My string's key", "My string's value", "My string's comment", "en")
This creates a single string with a key, value and comment, with its language code set to
en. Once you've created some more (usually for different languages too), you can bundle them into a collection:
from localizationkit import LocalizedCollection collection = LocalizedCollection(list_of_my_strings)
Running the tests
At this point, you are ready to run the tests:
import localizationkit results = localizationkit.run_tests(configuration, collection) for result in results: if not result.succeeded(): print("The following test failed:", result.name) print("Failures encountered:") for violation in result.violations: print(violation)
Not running the tests
Some tests don't make sense for everyone. To skip a test you can add the following to your config file at the root:
blacklist = ["test_identifier_1", "test_identifier_2"]
Most tests have configurable rules. If a rule is not specified, it will use the default instead.
Some tests are opt in only. These will be marked as such.
Checks that comments for strings do not contain linebreaks. Comments which contain linebreaks can interfere with parsing in other tools such as dotstrings.
Checks the similarity between a comment and the string's value in the default language. This is achieved via
SequenceMatcher. More details can be found here
||float||Between 0 and 1||0.5||Set the maximum similarity ratio between the comment and the string value. The higher the value, the more similar they are. The longer the string the more accurate this will be.|
Checks that there are no duplicate keys in the collection.
Checks that strings have comments.
Note: Only languages that have Latin style scripts are really supported for the words check due to splitting on spaces to check.
||int||Any integer||30||Set the minimum allowable length for a comment. Set the value to negative to not check.|
||int||Any integer||10||Set the minimum allowable number of words for a comment. Set the value to negative to not check.|
Checks that strings have values. Since any value is enough for some strings, it simply makes sure that the string isn't None/null and isn't empty.
||Set to true to only check the default language for missing values. Otherwise all languages will be checked.|
Checks that all format tokens in a string are valid.
Note: This check is not language specific. It only works very broadly.
Checks the length of the keys.
Note: By default this test doesn't check anything. It needs to have parameters set to positive values to do anything.
||int||Any integer||-1||Set the minimum allowable length for a key. Set the value to negative to not check.|
||int||Any integer||-1||Set the maximum allowable length for a key. Set the value to negative to not check.|
Objective-C Alternative Tokens
Checks that strings do not contain Objective-C style alternative position tokens.
Objective-C seems to be allows positional tokens of the form
%1@ rather than
%1$@. While not illegal, it is preferred that all tokens between languages are consistent so that tools don't experience unexpected failures, etc.
Checks that strings do not contain Swift style interpolation values since these cannot be localized.
Checks that the tokens in a string match across all languages. e.g. If your English string is "Hello %s" but your French string is "Bonjour", this would flag that there is a missing token in the French string.
||Due to the way that automated localization works, usually there will be a default language, and then other translations will come in over time. If a translation is deleted, it isn't always deleted from all languages immediately. Setting this parameter to true will allow any strings in your non-default language to be ignored if that string is missing from your default language.|
Token Position Identifiers
Check that each token has a position specifier with it. e.g.
%s is not allowed, but
%1$s is. Tokens can move around in different languages, so position specifiers are extremely important.
||If a string only has a single token, it doesn't need a position specifier. Set this to
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