tests

src/plone/app/multilingual/tests/test_external_translation_services.py

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+import unittest
+from plone.app.multilingual.interfaces import (
+    IExternalTranslationService,
+    IPloneAppMultilingualInstalled,
+    ITranslationManager,
+)
+
+from zope.component import provideAdapter, adapter
+from zope.interface import implementer, Interface, alsoProvides
+from plone.app.multilingual.testing import PAM_FUNCTIONAL_TESTING
+from plone.testing._z2_testbrowser import Browser
+from plone.dexterity.utils import createContentInContainer
+from plone.app.testing import SITE_OWNER_NAME
+from plone.app.testing import SITE_OWNER_PASSWORD
+
+import json
+import transaction
+
+
+@implementer(IExternalTranslationService)
+@adapter(Interface)
+class NiTranslator:
+    order = 30
+
+    def __init__(self, context):
+        self.context = context
+
+    def is_available(self):
+        return True
+
+    def available_languages(self):
+        # All
+        return []
+
+    def translate_content(self, content, source_language, target_language):
+        return f"{content} NI!"
+
+
+@implementer(IExternalTranslationService)
+@adapter(Interface)
+class DisabledTranslator:
+    order = 20
+
+    def __init__(self, context):
+        self.context = context
+
+    def is_available(self):
+        return False
+
+    def available_languages(self):
+        return []
+
+    def translate_content(self, content, source_language, target_language):
+        return "translation"
+
+
+@implementer(IExternalTranslationService)
+@adapter(Interface)
+class CaEsTranslator:
+    order = 5
+
+    def __init__(self, context):
+        self.context = context
+
+    def is_available(self):
+        return True
+
+    def available_languages(self):
+        return [("ca", "es")]
+
+    def translate_content(self, content, source_language, target_language):
+        return "text español"
+
+
+class TestExternalServices(unittest.TestCase):
+    layer = PAM_FUNCTIONAL_TESTING
+
+    def setUp(self):
+        self.portal = self.layer["portal"]
+        alsoProvides(self.layer["request"], IPloneAppMultilingualInstalled)
+        # Setup test browser
+        self.browser = Browser(self.layer["app"])
+        self.browser.handleErrors = False
+        self.browser.addHeader(
+            "Authorization", f"Basic {SITE_OWNER_NAME}:{SITE_OWNER_PASSWORD}"
+        )
+        self.a_ca = createContentInContainer(
+            self.portal["ca"], "Document", title="Test document CA"
+        )
+
+        self.a_es = createContentInContainer(
+            self.portal["es"], "Document", title="Test document ES"
+        )
+
+        manager = ITranslationManager(self.a_ca)
+        manager.register_translation("es", self.a_es)
+
+        provideAdapter(NiTranslator, name="ni_translator")
+        provideAdapter(DisabledTranslator, name="disabled_translator")
+        provideAdapter(CaEsTranslator, name="ca_es_translator")
+
+        transaction.commit()
+
+    def test_translation_ca_es(self):
+        """In this case the CaEsTranslator should be applied
+        because it has a smaller number in the order
+        and it has the ca-es language pair translation
+        availability
+        """
+        self.browser.open(
+            f"{self.a_es.absolute_url()}/gtranslation_service",
+            data={"field": "IDublinCore.title", "lang_source": "ca"},
+        )
+
+        result = json.loads(self.browser.contents)
+
+        self.assertEqual(result.get("data"), "text español")
+
+    def test_translation_es_ca(self):
+        """In this case the NiTranslator should be applied
+        because the previous translators have not this language
+        pair available or are disabled
+        """
+
+        self.browser.open(
+            f"{self.a_ca.absolute_url()}/gtranslation_service",
+            data={"field": "IDublinCore.title", "lang_source": "es"},
+        )
+
+        result = json.loads(self.browser.contents)
+
+        self.assertEqual(result.get("data"), "Test document ES NI!")