Ryan Malloy
cf8394fa6f
Rename package from mcp-ltspice/mcp_ltspice to mcltspice throughout: source directory, imports, pyproject.toml, tests, and README. Remove startup banner prints from main() since FastMCP handles its own banner and stdout is the MCP JSON-RPC transport. Point repo URL at git.supported.systems/MCP/mcltspice.
448 lines
13 KiB
Python
448 lines
13 KiB
Python
"""Tests for the 5 new circuit templates (netlist + asc generator)."""
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import pytest
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from mcltspice.asc_generator import (
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AscSchematic,
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generate_boost_converter,
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generate_current_mirror,
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generate_instrumentation_amp,
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generate_sallen_key_lowpass,
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generate_transimpedance_amp,
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)
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from mcltspice.netlist import (
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Netlist,
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boost_converter,
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current_mirror,
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instrumentation_amplifier,
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sallen_key_lowpass,
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transimpedance_amplifier,
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)
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# ---------------------------------------------------------------------------
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# Netlist template tests
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# ---------------------------------------------------------------------------
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class TestSallenKeyLowpassNetlist:
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def test_returns_netlist(self):
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n = sallen_key_lowpass()
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assert isinstance(n, Netlist)
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def test_component_count(self):
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n = sallen_key_lowpass()
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# V1, Vpos, Vneg, R1, R2, C1, C2, X1 = 8 components
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assert len(n.components) == 8
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def test_render_contains_key_components(self):
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text = sallen_key_lowpass().render()
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assert "R1" in text
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assert "R2" in text
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assert "C1" in text
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assert "C2" in text
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assert "X1" in text
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assert "LT1001" in text
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assert ".ac" in text
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def test_custom_params(self):
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n = sallen_key_lowpass(r1="4.7k", r2="4.7k", c1="22n", c2="22n")
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text = n.render()
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assert "4.7k" in text
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assert "22n" in text
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def test_has_backanno_and_end(self):
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text = sallen_key_lowpass().render()
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assert ".backanno" in text
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assert ".end" in text
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class TestBoostConverterNetlist:
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def test_returns_netlist(self):
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n = boost_converter()
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assert isinstance(n, Netlist)
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def test_component_count(self):
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n = boost_converter()
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# Vin, Vgate, L1, M1, D1, Cout, Rload = 7 components
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assert len(n.components) == 7
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def test_render_contains_key_components(self):
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text = boost_converter().render()
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assert "L1" in text
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assert "M1" in text
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assert "D1" in text
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assert "Cout" in text
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assert "Rload" in text
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assert "PULSE(" in text
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assert ".tran" in text
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def test_custom_params(self):
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n = boost_converter(ind="22u", r_load="100", v_in="3.3", duty_cycle=0.6)
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text = n.render()
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assert "22u" in text
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assert "100" in text
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assert "3.3" in text
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def test_has_backanno_and_end(self):
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text = boost_converter().render()
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assert ".backanno" in text
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assert ".end" in text
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class TestInstrumentationAmplifierNetlist:
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def test_returns_netlist(self):
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n = instrumentation_amplifier()
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assert isinstance(n, Netlist)
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def test_component_count(self):
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n = instrumentation_amplifier()
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# V1, V2, Vpos, Vneg, X1, X2, R1, R1b, Rgain, X3, R2, R3, R2b, R3b = 14
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assert len(n.components) == 14
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def test_render_contains_key_components(self):
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text = instrumentation_amplifier().render()
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assert "X1" in text
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assert "X2" in text
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assert "X3" in text
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assert "Rgain" in text
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assert "LT1001" in text
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assert ".ac" in text
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def test_custom_params(self):
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n = instrumentation_amplifier(r1="20k", r_gain="1k")
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text = n.render()
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assert "20k" in text
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assert "1k" in text
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def test_has_backanno_and_end(self):
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text = instrumentation_amplifier().render()
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assert ".backanno" in text
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assert ".end" in text
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class TestCurrentMirrorNetlist:
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def test_returns_netlist(self):
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n = current_mirror()
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assert isinstance(n, Netlist)
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def test_component_count(self):
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n = current_mirror()
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# Vcc, Rref, Rload, Q1, Q2 = 5 components
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assert len(n.components) == 5
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def test_render_contains_key_components(self):
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text = current_mirror().render()
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assert "Q1" in text
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assert "Q2" in text
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assert "Rref" in text
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assert "Rload" in text
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assert "2N2222" in text
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assert ".op" in text
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assert ".tran" in text
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def test_custom_params(self):
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n = current_mirror(r_ref="4.7k", r_load="2.2k", vcc="5")
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text = n.render()
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assert "4.7k" in text
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assert "2.2k" in text
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assert "5" in text
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def test_has_backanno_and_end(self):
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text = current_mirror().render()
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assert ".backanno" in text
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assert ".end" in text
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class TestTransimpedanceAmplifierNetlist:
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def test_returns_netlist(self):
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n = transimpedance_amplifier()
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assert isinstance(n, Netlist)
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def test_component_count(self):
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n = transimpedance_amplifier()
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# I1, Vpos, Vneg, Rf, Cf, X1 = 6 components
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assert len(n.components) == 6
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def test_render_contains_key_components(self):
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text = transimpedance_amplifier().render()
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assert "I1" in text
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assert "Rf" in text
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assert "Cf" in text
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assert "X1" in text
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assert "LT1001" in text
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assert ".ac" in text
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def test_custom_params(self):
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n = transimpedance_amplifier(rf="1Meg", cf="0.5p", i_source="10u")
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text = n.render()
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assert "1Meg" in text
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assert "0.5p" in text
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assert "10u" in text
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def test_has_backanno_and_end(self):
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text = transimpedance_amplifier().render()
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assert ".backanno" in text
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assert ".end" in text
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# ---------------------------------------------------------------------------
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# ASC generator template tests
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# ---------------------------------------------------------------------------
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class TestSallenKeyLowpassAsc:
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def test_returns_schematic(self):
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sch = generate_sallen_key_lowpass()
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assert isinstance(sch, AscSchematic)
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def test_render_valid(self):
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text = generate_sallen_key_lowpass().render()
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assert text.startswith("Version 4\n")
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assert "SHEET" in text
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assert len(text) > 100
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def test_contains_expected_symbols(self):
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text = generate_sallen_key_lowpass().render()
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assert "SYMBOL res" in text
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assert "SYMBOL cap" in text
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assert "SYMBOL OpAmps/UniversalOpamp2" in text
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assert "SYMBOL voltage" in text
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def test_custom_params(self):
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text = generate_sallen_key_lowpass(r1="4.7k", c1="22n").render()
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assert "4.7k" in text
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assert "22n" in text
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def test_has_simulation_directive(self):
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text = generate_sallen_key_lowpass().render()
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assert ".ac" in text
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class TestBoostConverterAsc:
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def test_returns_schematic(self):
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sch = generate_boost_converter()
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assert isinstance(sch, AscSchematic)
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def test_render_valid(self):
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text = generate_boost_converter().render()
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assert text.startswith("Version 4\n")
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assert "SHEET" in text
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assert len(text) > 100
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def test_contains_expected_symbols(self):
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text = generate_boost_converter().render()
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assert "SYMBOL ind" in text
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assert "SYMBOL nmos" in text
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assert "SYMBOL diode" in text
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assert "SYMBOL cap" in text
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assert "SYMBOL res" in text
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def test_custom_params(self):
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text = generate_boost_converter(ind="22u", r_load="100").render()
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assert "22u" in text
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assert "100" in text
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def test_has_simulation_directive(self):
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text = generate_boost_converter().render()
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assert ".tran" in text
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class TestInstrumentationAmpAsc:
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def test_returns_schematic(self):
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sch = generate_instrumentation_amp()
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assert isinstance(sch, AscSchematic)
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def test_render_valid(self):
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text = generate_instrumentation_amp().render()
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assert text.startswith("Version 4\n")
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assert "SHEET" in text
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assert len(text) > 100
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def test_contains_expected_symbols(self):
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text = generate_instrumentation_amp().render()
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# Should have 3 opamps
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assert text.count("SYMBOL OpAmps/UniversalOpamp2") == 3
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# Should have multiple resistors
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assert text.count("SYMBOL res") >= 7
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def test_custom_params(self):
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text = generate_instrumentation_amp(r1="20k", r_gain="1k").render()
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assert "20k" in text
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assert "1k" in text
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def test_has_simulation_directive(self):
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text = generate_instrumentation_amp().render()
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assert ".ac" in text
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class TestCurrentMirrorAsc:
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def test_returns_schematic(self):
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sch = generate_current_mirror()
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assert isinstance(sch, AscSchematic)
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def test_render_valid(self):
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text = generate_current_mirror().render()
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assert text.startswith("Version 4\n")
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assert "SHEET" in text
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assert len(text) > 100
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def test_contains_expected_symbols(self):
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text = generate_current_mirror().render()
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# Should have 2 NPN transistors
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assert text.count("SYMBOL npn") == 2
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assert "SYMBOL res" in text
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assert "SYMBOL voltage" in text
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def test_custom_params(self):
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text = generate_current_mirror(r_ref="4.7k", r_load="2.2k").render()
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assert "4.7k" in text
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assert "2.2k" in text
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def test_has_simulation_directive(self):
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text = generate_current_mirror().render()
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assert ".op" in text
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assert ".tran" in text
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class TestTransimpedanceAmpAsc:
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def test_returns_schematic(self):
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sch = generate_transimpedance_amp()
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assert isinstance(sch, AscSchematic)
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def test_render_valid(self):
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text = generate_transimpedance_amp().render()
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assert text.startswith("Version 4\n")
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assert "SHEET" in text
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assert len(text) > 100
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def test_contains_expected_symbols(self):
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text = generate_transimpedance_amp().render()
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assert "SYMBOL OpAmps/UniversalOpamp2" in text
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assert "SYMBOL res" in text
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assert "SYMBOL cap" in text
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def test_custom_params(self):
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text = generate_transimpedance_amp(rf="1Meg", cf="0.5p").render()
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assert "1Meg" in text
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assert "0.5p" in text
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def test_has_simulation_directive(self):
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text = generate_transimpedance_amp().render()
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assert ".ac" in text
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# ---------------------------------------------------------------------------
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# Parametrized cross-cutting tests for all 5 new netlist templates
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# ---------------------------------------------------------------------------
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class TestNewNetlistTemplatesCommon:
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@pytest.mark.parametrize(
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"factory",
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[
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sallen_key_lowpass,
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boost_converter,
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instrumentation_amplifier,
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current_mirror,
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transimpedance_amplifier,
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],
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)
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def test_returns_netlist(self, factory):
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assert isinstance(factory(), Netlist)
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@pytest.mark.parametrize(
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"factory",
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[
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sallen_key_lowpass,
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boost_converter,
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instrumentation_amplifier,
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current_mirror,
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transimpedance_amplifier,
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],
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)
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def test_has_backanno_and_end(self, factory):
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text = factory().render()
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assert ".backanno" in text
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assert ".end" in text
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@pytest.mark.parametrize(
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"factory",
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[
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sallen_key_lowpass,
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boost_converter,
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instrumentation_amplifier,
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current_mirror,
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transimpedance_amplifier,
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],
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)
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def test_has_components(self, factory):
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n = factory()
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assert len(n.components) > 0
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@pytest.mark.parametrize(
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"factory",
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[
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sallen_key_lowpass,
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boost_converter,
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instrumentation_amplifier,
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current_mirror,
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transimpedance_amplifier,
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],
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)
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def test_has_sim_directive(self, factory):
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text = factory().render()
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sim_types = [".tran", ".ac", ".dc", ".op", ".noise", ".tf"]
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assert any(sim in text.lower() for sim in sim_types), (
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f"No simulation directive found in {factory.__name__}"
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)
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# ---------------------------------------------------------------------------
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# Parametrized cross-cutting tests for all 5 new ASC templates
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# ---------------------------------------------------------------------------
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class TestNewAscTemplatesCommon:
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@pytest.mark.parametrize(
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"factory",
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[
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generate_sallen_key_lowpass,
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generate_boost_converter,
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generate_instrumentation_amp,
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generate_current_mirror,
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generate_transimpedance_amp,
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],
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)
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def test_returns_schematic(self, factory):
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assert isinstance(factory(), AscSchematic)
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@pytest.mark.parametrize(
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"factory",
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[
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generate_sallen_key_lowpass,
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generate_boost_converter,
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generate_instrumentation_amp,
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generate_current_mirror,
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generate_transimpedance_amp,
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],
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)
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def test_render_nonempty(self, factory):
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text = factory().render()
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assert len(text) > 50
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assert "SYMBOL" in text
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@pytest.mark.parametrize(
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"factory",
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[
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generate_sallen_key_lowpass,
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generate_boost_converter,
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generate_instrumentation_amp,
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generate_current_mirror,
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generate_transimpedance_amp,
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],
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)
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def test_has_version_and_sheet(self, factory):
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text = factory().render()
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assert "Version 4" in text
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assert "SHEET" in text
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