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Strengthen WDM and IM/DD optical tests

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This commit is contained in:
Silas Oettinghaus
2026-03-25 08:07:31 +01:00
parent 0e6be4a584
commit 76be57515d
26 changed files with 1606 additions and 566 deletions
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101
Tests/02_optical/Optical_Multiplex_test.m
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@@ -1,10 +1,101 @@
classdef Optical_Multiplex_test < IMDDTestCase
% Auto-generated placeholder for Optical_Multiplex.
% Target: C:/Users/Silas/Documents/MATLAB/imdd_simulation/Classes/02_optical/Optical_Multiplex.m
methods (Test, TestTags = {'unit', 'fast', 'optical', 'mux'})
function processCombinesChannelsAndPreservesMetadata(testCase)
fs = 32e9;
lambdaCenter = 1550;
lambdaA = 1550e-9;
lambdaB = 1550e-9;
methods (Test, TestTags = {'placeholder', 'todo'})
function testNotImplemented(testCase)
testCase.assumeFail("Tests for Optical_Multiplex are not implemented yet.");
sigA = makeOpticalSignal( ...
[1 2; 1 2; 1 2], ...
fs, ...
lambdaA, ...
0.10);
sigB = makeOpticalSignal( ...
[3 4; 3 4; 3 4], ...
fs, ...
lambdaB, ...
0.90);
mux = Optical_Multiplex( ...
"fs_in", fs, ...
"fs_out", fs, ...
"lambda_center", lambdaCenter, ...
"delta_f", 0, ...
"random_key", 0, ...
"attenuation", 0, ...
"filtype", 3);
out = mux.process({sigA, sigB});
expected = combineSingleChannelMuxOutputs({sigA, sigB}, mux);
testCase.verifyClass(out, 'Opticalsignal');
testCase.verifyEqual(size(out.signal), [3 2]);
testCase.verifyEqual(out.signal, expected, 'AbsTol', 1e-12);
testCase.verifyEqual(out.fs, fs);
testCase.verifyEqual(out.lambda, [lambdaA, lambdaB], 'AbsTol', 1e-9);
testCase.verifyEqual(out.polrot, [0.10, 0.90], 'AbsTol', 1e-12);
testCase.verifyEqual(height(out.logbook), 2);
testCase.verifyEqual(string(out.logbook.Description(end)), "Opt. Mux. ");
end
function processSupportsMoreThanOneInputChannel(testCase)
fs = 16e9;
lambdaCenter = 1310;
sig1 = makeOpticalSignal(ones(4, 2), fs, lambdaCenter * 1e-9, 0.0);
sig2 = makeOpticalSignal(2 * ones(4, 2), fs, lambdaCenter * 1e-9, 0.5);
sig3 = makeOpticalSignal(3 * ones(4, 2), fs, lambdaCenter * 1e-9, 1.0);
mux = Optical_Multiplex( ...
"fs_in", fs, ...
"fs_out", fs, ...
"lambda_center", lambdaCenter, ...
"delta_f", 0, ...
"random_key", 0, ...
"attenuation", 0, ...
"filtype", 3);
out = mux.process({sig1, sig2, sig3});
expected = combineSingleChannelMuxOutputs({sig1, sig2, sig3}, mux);
testCase.verifySize(out.signal, [4, 2]);
testCase.verifyEqual(out.signal, expected, 'AbsTol', 1e-12);
testCase.verifyEqual(numel(out.lambda), 3);
testCase.verifyEqual(numel(out.polrot), 3);
end
end
end
function sig = makeOpticalSignal(signal, fs, lambda, polrot)
base = Signal(signal, "fs", fs);
sig = Opticalsignal( ...
signal, ...
"fs", fs, ...
"logbook", base.logbook, ...
"lambda", lambda, ...
"nase", 0, ...
"polrot", polrot);
end
function expected = combineSingleChannelMuxOutputs(signals, muxPrototype)
expected = [];
for idx = 1:numel(signals)
mux = Optical_Multiplex( ...
"fs_in", muxPrototype.fs_in, ...
"fs_out", muxPrototype.fs_out, ...
"lambda_center", muxPrototype.lambda_center, ...
"delta_f", muxPrototype.delta_f, ...
"random_key", muxPrototype.random_key, ...
"attenuation", muxPrototype.attenuation, ...
"filtype", muxPrototype.filtype);
singleOut = mux.process({signals{idx}});
if isempty(expected)
expected = zeros(size(singleOut.signal));
end
expected = expected + singleOut.signal;
end
end