Strengthen WDM and IM/DD optical tests
This commit is contained in:
Silas Oettinghaus
@@ -1,10 +1,69 @@
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classdef Amplifier_test < IMDDTestCase
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% Auto-generated placeholder for Amplifier.
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% Target: C:/Users/Silas/Documents/MATLAB/imdd_simulation/Classes/02_etc/Amplifier.m
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methods (Test, TestTags = {'unit', 'fast', 'etc', 'amplifier'})
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function constructorStoresConfiguredModesAndSettings(testCase)
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amp = Amplifier( ...
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"amp_mode", amp_mode.ideal_no_noise, ...
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"gain_mode", gain_mode.gain, ...
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"nase_mode", nase_mode.pass_ase, ...
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"amplification_db", 7.5, ...
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"noifig", 12);
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methods (Test, TestTags = {'placeholder', 'todo'})
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function testNotImplemented(testCase)
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testCase.assumeFail("Tests for Amplifier are not implemented yet.");
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testCase.verifyEqual(amp.amp_mode, amp_mode.ideal_no_noise);
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testCase.verifyEqual(amp.gain_mode, gain_mode.gain);
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testCase.verifyEqual(amp.nase_mode, nase_mode.pass_ase);
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testCase.verifyEqual(amp.amplification_db, 7.5);
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testCase.verifyEqual(amp.noifig, 12);
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end
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function gainModeAmplifiesOpticalSignalAndPreservesMetadata(testCase)
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inputSignal = makeOpticalSignal([1; -1; 1; -1], 64e9, 1310e-9, 0, 0);
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amp = Amplifier( ...
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"amp_mode", amp_mode.ideal_no_noise, ...
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"gain_mode", gain_mode.gain, ...
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"nase_mode", nase_mode.pass_ase, ...
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"amplification_db", 6);
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outputSignal = amp.process(inputSignal);
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expectedScale = 10^(6/20);
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testCase.verifyClass(outputSignal, 'Opticalsignal');
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testCase.verifyEqual(outputSignal.signal, expectedScale * inputSignal.signal, "AbsTol", 1e-12);
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testCase.verifyEqual(outputSignal.nase, inputSignal.nase * expectedScale^2, "AbsTol", 1e-12);
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testCase.verifyEqual(outputSignal.fs, inputSignal.fs);
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testCase.verifyEqual(outputSignal.lambda, inputSignal.lambda);
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testCase.verifyEqual(outputSignal.polrot, inputSignal.polrot);
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testCase.verifyEqual(height(outputSignal.logbook), height(inputSignal.logbook) + 1);
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testCase.verifyEqual(string(outputSignal.logbook.Description(end)), "Optical Amplifier ");
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end
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function outputPowerModeTargetsRequestedAveragePower(testCase)
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inputSignal = makeOpticalSignal([1; -1; 1; -1], 64e9, 1310e-9, 0, 0);
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amp = Amplifier( ...
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"amp_mode", amp_mode.ideal_no_noise, ...
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"gain_mode", gain_mode.output_power, ...
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"nase_mode", nase_mode.pass_ase, ...
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"amplification_db", 33);
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outputSignal = amp.process(inputSignal);
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expectedPowerW = 10^(33/10 - 3);
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expectedScale = sqrt(expectedPowerW / mean(abs(inputSignal.signal).^2));
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testCase.verifyClass(outputSignal, 'Opticalsignal');
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testCase.verifyEqual(outputSignal.signal, expectedScale * inputSignal.signal, "AbsTol", 1e-12);
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testCase.verifyEqual(outputSignal.power("unit", power_notation.W), expectedPowerW, "AbsTol", 1e-12);
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testCase.verifyEqual(outputSignal.fs, inputSignal.fs);
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testCase.verifyEqual(outputSignal.lambda, inputSignal.lambda);
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end
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end
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end
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function sig = makeOpticalSignal(values, fs, lambda, nase, polrot)
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sig = Opticalsignal(values, ...
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"fs", fs, ...
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"logbook", Signal(values, "fs", fs).logbook, ...
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"lambda", lambda, ...
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"nase", nase, ...
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"polrot", polrot);
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end
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@@ -1,10 +1,71 @@
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classdef Filter_test < IMDDTestCase
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% Auto-generated placeholder for Filter.
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% Target: C:/Users/Silas/Documents/MATLAB/imdd_simulation/Classes/02_etc/Filter.m
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methods (Test, TestTags = {'unit', 'fast', 'filter', 'etc'})
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function constructorBuildsFilterWhenSamplingRateAndLengthAreKnown(testCase)
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flt = Filter( ...
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"active", true, ...
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"filterType", filtertypes.butterworth, ...
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"f_cutoff", 3.5, ...
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"fs", 8, ...
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"signal_length", 8, ...
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"filtdegree", 3, ...
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"lowpass", 1);
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methods (Test, TestTags = {'placeholder', 'todo'})
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function testNotImplemented(testCase)
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testCase.assumeFail("Tests for Filter are not implemented yet.");
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testCase.verifyEqual(flt.active, true);
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testCase.verifyEqual(flt.filterType, filtertypes.butterworth);
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testCase.verifyEqual(flt.f_cutoff, 3.5);
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testCase.verifyEqual(flt.fs, 8);
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testCase.verifyEqual(flt.signal_length, 8);
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testCase.verifyNotEmpty(flt.H);
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testCase.verifyNotEmpty(flt.w);
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testCase.verifyEqual(numel(flt.H), 8);
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testCase.verifyEqual(numel(flt.w), 8);
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end
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function inactiveFilterIsExactPassThrough(testCase)
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flt = Filter( ...
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"active", false, ...
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"filterType", filtertypes.butterworth, ...
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"f_cutoff", 3.5, ...
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"fs", 8, ...
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"signal_length", 8, ...
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"filtdegree", 3);
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sig = Signal([1; 2; 3], "fs", 8);
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numIn = [1; -2; 3];
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sigOut = flt.process(sig);
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numOut = flt.process(numIn);
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testCase.verifyClass(sigOut, "Signal");
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testCase.verifyEqual(sigOut.signal, sig.signal);
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testCase.verifyEqual(sigOut.fs, sig.fs);
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testCase.verifyEqual(height(sigOut.logbook), height(sig.logbook));
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testCase.verifyEqual(numOut, numIn);
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end
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function activeButterworthFilterPreservesConstantSignals(testCase)
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flt = Filter( ...
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"active", true, ...
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"filterType", filtertypes.butterworth, ...
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"f_cutoff", 3.5, ...
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"fs", 8, ...
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"signal_length", 8, ...
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"filtdegree", 3, ...
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"lowpass", 1);
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sig = Signal(ones(8, 1), "fs", 8);
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numIn = ones(8, 1);
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sigOut = flt.process(sig);
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numOut = flt.process_(numIn);
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testCase.verifyEqual(size(sigOut.signal), size(sig.signal));
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testCase.verifyEqual(sigOut.signal, ones(8, 1), "AbsTol", 1e-12);
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testCase.verifyEqual(sigOut.fs, sig.fs);
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testCase.verifyEqual(height(sigOut.logbook), 1);
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testCase.verifyEqual(size(numOut), size(numIn));
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testCase.verifyEqual(numOut, ones(8, 1), "AbsTol", 1e-12);
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end
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end
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end
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