refactored test_resources.py into test_resources package

.gitignore

@@ -12,6 +12,7 @@ dist/
 *.python-version
 .coverage
 *.sw[po]
+.DS_Store
 
 # IDE support
 .vscode

AUTHORS

@@ -145,4 +145,5 @@ The following is a list of much appreciated contributors:
 * bgelov (Oleg Belov)
 * EricOuma (Eric Ouma)
 * Glay00 (Gleb Gorelov)
-* PrashansaChaudhary (Prashansa Chaudhary)
+* PrashansaChaudhary (Prashansa Chaudhary)
+* Vedang Barhate (bvedang)

docs/changelog.rst

@@ -18,6 +18,7 @@ Please refer to :doc:`release notes<release_notes>`.
 - Standardised interface of :meth:`~import_export.widgets.Widget.render` (#1657)
 - Improved documentation relating to validation on import (#1665)
 - Refactored test_admin_integration: split into smaller test modules (#1662)
+- Refactored test_resources: split into smaller test modules (#1672)
 
 4.0.0-alpha.5 (2023-09-22)
 --------------------------

tests/core/tests/resources.py

@@ -0,0 +1,96 @@
+from core.models import Author, Book, Category, Profile, WithDefault
+from core.tests.widget import HarshRussianWidget
+
+from import_export import fields, resources, widgets
+
+
+class MyResource(resources.Resource):
+    name = fields.Field()
+    email = fields.Field()
+    extra = fields.Field()
+
+    def __init__(self, **kwargs):
+        super().__init__(**kwargs)
+        self.kwargs = kwargs
+
+    class Meta:
+        export_order = ("email", "name")
+
+
+class AuthorResource(resources.ModelResource):
+    books = fields.Field(
+        column_name="books",
+        attribute="book_set",
+        readonly=True,
+    )
+
+    class Meta:
+        model = Author
+        export_order = ("name", "books")
+
+
+class BookResource(resources.ModelResource):
+    published = fields.Field(column_name="published_date")
+
+    class Meta:
+        model = Book
+        exclude = ("imported",)
+
+
+class BookResourceWithStoreInstance(resources.ModelResource):
+    class Meta:
+        model = Book
+        store_instance = True
+
+
+class BookResourceWithLineNumberLogger(BookResource):
+    def __init__(self, *args, **kwargs):
+        self.before_lines = []
+        self.after_lines = []
+        return super().__init__(*args, **kwargs)
+
+    def before_import_row(self, row, **kwargs):
+        row_number = kwargs.pop("row_number")
+        self.before_lines.append(row_number)
+
+    def after_import_row(self, row, row_result, **kwargs):
+        row_number = kwargs.pop("row_number")
+        self.after_lines.append(row_number)
+
+
+class CategoryResource(resources.ModelResource):
+    class Meta:
+        model = Category
+
+
+class ProfileResource(resources.ModelResource):
+    class Meta:
+        model = Profile
+        exclude = ("user",)
+
+
+class WithDefaultResource(resources.ModelResource):
+    class Meta:
+        model = WithDefault
+        fields = ("name",)
+
+
+class AuthorResourceWithCustomWidget(resources.ModelResource):
+    class Meta:
+        model = Author
+
+    @classmethod
+    def widget_from_django_field(cls, f, default=widgets.Widget):
+        if f.name == "name":
+            return HarshRussianWidget
+        result = default
+        internal_type = (
+            f.get_internal_type()
+            if callable(getattr(f, "get_internal_type", None))
+            else ""
+        )
+        if internal_type in cls.WIDGETS_MAP:
+            result = cls.WIDGETS_MAP[internal_type]
+            if isinstance(result, str):
+                result = getattr(cls, result)(f)
+        return result