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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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78
Tests/02_optical/DP_Fiber_test.m
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@@ -1,10 +1,78 @@
classdef DP_Fiber_test < IMDDTestCase
% Auto-generated placeholder for DP_Fiber.
% Target: C:/Users/Silas/Documents/MATLAB/imdd_simulation/Classes/02_optical/DP_Fiber.m
methods (Test, TestTags = {'unit', 'fast', 'optical', 'dp_fiber'})
function constructorStoresConfigurationAndStartsWithEmptyState(testCase)
fiber = makeIdentityFiber();
methods (Test, TestTags = {'placeholder', 'todo'})
function testNotImplemented(testCase)
testCase.assumeFail("Tests for DP_Fiber are not implemented yet.");
testCase.verifyEqual(fiber.L, 0);
testCase.verifyEqual(fiber.dz, 1);
testCase.verifyEqual(fiber.lambda, 1550);
testCase.verifyEqual(fiber.rng, 7);
testCase.verifyEqual(fiber.gamma, 0);
testCase.verifyEqual(fiber.fa, 64e9);
testCase.verifyEqual(fiber.X_alpha, 0);
testCase.verifyEqual(fiber.D, 0);
testCase.verifyEqual(fiber.Ds, 0);
testCase.verifyEqual(fiber.Dpmd, 0);
testCase.verifyEqual(fiber.n_waveplates, 1);
testCase.verifyEqual(fiber.useGPU, false);
testCase.verifyEqual(fiber.useSingle, false);
testCase.verifyTrue(isstruct(fiber.state));
testCase.verifyEmpty(fieldnames(fiber.state));
end
function processPreservesAZeroImpairmentDualPolarizationSignal(testCase)
fiber = makeIdentityFiber();
inputMatrix = [ ...
1 + 1i, 2 - 1i; ...
0.5, -0.25i; ...
-1 + 0.2i, 0.75 - 0.5i; ...
0, 0.25 + 0.75i];
sigIn = Signal(inputMatrix, "fs", fiber.fa);
sigOut = fiber.process(sigIn);
testCase.verifyClass(sigOut, "Signal");
testCase.verifyEqual(sigOut.fs, sigIn.fs);
testCase.verifyEqual(size(sigOut.signal), size(sigIn.signal));
testCase.verifyEqual(sigOut.signal, sigIn.signal, "AbsTol", 1e-12);
testCase.verifyEqual(height(sigOut.logbook), 1);
end
function process_ProducesIdentityOutputForRawMatrixInput(testCase)
fiber = makeIdentityFiber();
inputMatrix = [ ...
1 + 1i, 2 - 1i; ...
0.5, -0.25i; ...
-1 + 0.2i, 0.75 - 0.5i; ...
0, 0.25 + 0.75i];
sigOut = fiber.process_(inputMatrix, fiber.fa);
testCase.verifyEqual(size(sigOut), size(inputMatrix));
testCase.verifyEqual(sigOut, inputMatrix, "AbsTol", 1e-12);
end
end
end
function fiber = makeIdentityFiber()
fiber = DP_Fiber( ...
"L", 0, ...
"dz", 1, ...
"lambda", 1550, ...
"rng", 7, ...
"gamma", 0, ...
"fa", 64e9, ...
"X_alpha", 0, ...
"D", 0, ...
"Ds", 0, ...
"Dpmd", 0, ...
"beat_len", 1e9, ...
"corr_len", 1e9, ...
"manakov", 0, ...
"SS_dphimax", 5e-3, ...
"SS_dzmax", 1, ...
"SS_dzmin", 1, ...
"n_waveplates", 1, ...
"useGPU", false, ...
"useSingle", false);
end