Add runner access to tap and target objects.

elx/runner.py

@@ -31,6 +31,10 @@ def __init__(
         self.target = target
         self.state_manager = state_manager
 
+        # Give the tap and target access to the runner
+        self.tap.runner = self
+        self.target.runner = self
+
     @property
     def state_file_name(self) -> str:
         return f"{self.tap.executable}-{self.target.executable}.json"

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "elx"
-version = "0.1.0a6"
+version = "0.1.0a7"
 description = "A lightweight Python interface for extracting and loading using the Singer.io spec."
 authors = ["Jules Huisman <[email protected]>"]
 readme = "README.md"

tests/test_elx/test_runner.py

@@ -1,4 +1,4 @@
-from elx import Runner
+from elx import Runner, Target, Tap
 from pathlib import Path
 
 
@@ -24,3 +24,19 @@ def test_config_interpolation_values(runner: Runner):
     """
     assert runner.interpolation_values["TAP_EXECUTABLE"] == "tap-smoke-test"
     assert runner.interpolation_values["TARGET_EXECUTABLE"] == "target-jsonl"
+
+
+def test_config_interpolation_target_values(tap: Tap):
+    """
+    Make sure the config gets interpolated correctly on the singer side.
+    """
+    target = Target(
+        "target-jsonl",
+        config={
+            "tap_name": "{TAP_NAME}",
+        },
+    )
+
+    runner = Runner(tap, target)
+
+    assert runner.target.config["tap_name"] == "tap_smoke_test"