WIP adding missing tests to absorbance reader

api/tests/opentrons/protocol_engine/commands/absorbance_reader/__init__.py

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+"""Tests for Magnetic Module commands."""

api/tests/opentrons/protocol_engine/commands/absorbance_reader/test_initialize.py

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+"""Test absorbance reader initilize command."""
+from decoy import Decoy
+
+from opentrons.hardware_control.modules import AbsorbanceReader
+
+from opentrons.protocol_engine.execution import EquipmentHandler
+from opentrons.protocol_engine.state.state import StateView
+from opentrons.protocol_engine.state.module_substates import (
+    AbsorbanceReaderSubState,
+    AbsorbanceReaderId,
+)
+from opentrons.protocol_engine.commands.command import SuccessData
+from opentrons.protocol_engine.commands.absorbance_reader import (
+    InitializeParams,
+    InitializeResult,
+)
+from opentrons.protocol_engine.commands.absorbance_reader.initialize import (
+    InitializeImpl,
+)
+
+
+async def test_absorbance_reader_implementation(
+    decoy: Decoy,
+    state_view: StateView,
+    equipment: EquipmentHandler,
+) -> None:
+    """It should validate, find hardware module if not virtualized, and disengage."""
+    subject = InitializeImpl(state_view=state_view, equipment=equipment)
+
+    params = InitializeParams(
+        moduleId="unverified-module-id", measureMode="single", sampleWavelengths=[1, 2]
+    )
+
+    mabsorbance_module_substate = decoy.mock(cls=AbsorbanceReaderSubState)
+    absorbance_module_hw = decoy.mock(cls=AbsorbanceReader)
+    verified_module_id = AbsorbanceReaderId("module-id")
+
+    decoy.when(
+        state_view.modules.get_absorbance_reader_substate("unverified-module-id")
+    ).then_return(mabsorbance_module_substate)
+
+    decoy.when(mabsorbance_module_substate.module_id).then_return(verified_module_id)
+
+    decoy.when(equipment.get_module_hardware_api(verified_module_id)).then_return(
+        absorbance_module_hw
+    )
+
+    result = await subject.execute(params=params)
+
+    decoy.verify(await absorbance_module_hw.set_sample_wavelength(), times=1)
+    assert result == SuccessData(public=InitializeResult())