test: Test with singer-sdk prerelease

.github/workflows/meltano-run.yml

@@ -28,6 +28,11 @@ jobs:
           output_db: nested.db
           target_table: users
           install_extractor: false
+        - tap: tap-csv
+          mapping: fake
+          output_db: tap_csv.db
+          target_table: customers
+          install_extractor: false
     steps:
     - uses: actions/checkout@v4
 

meltano.yml

@@ -36,7 +36,7 @@ plugins:
   mappers:
   - name: meltano-map-transformer
     namespace: meltano_map_transformer
-    pip_url: -e .
+    pip_url: --pre -e .[faker]
     executable: meltano-map-transform
     settings:
     - name: stream_maps
@@ -72,6 +72,17 @@ plugins:
           users:
             id: id
             fields: "[f for f in fields if f['key'] != 'age']"
+    - name: fake
+      config:
+        stream_maps:
+          customers:
+            id: id
+            first_name: first_name
+            cc: fake.credit_card_number()  # add a new field with a fake credit card number
+            __else__: __NULL__
+        faker_config:
+          locale: [en_US]
+          seed: 123456
 environments:
 - name: dev
   config:

pyproject.toml

@@ -18,11 +18,18 @@ documentation = "https://github.com/MeltanoLabs/meltano-map-transform#readme"
 
 [tool.poetry.dependencies]
 python = ">=3.8"
-singer-sdk = "~=0.34.0"
+faker = { version = "~=22.6", optional = true }
+
+[tool.poetry.dependencies.singer-sdk]
+version = ">=0.34.0"
+allow-prereleases = true
 
 [tool.poetry.dev-dependencies]
 pytest = ">=7.4.4"
 
+[tool.poetry.extras]
+faker = ["faker"]
+
 [tool.poetry-dynamic-versioning]
 enable = true
 format-jinja = """