From fbb61a9b4ad06ee68b49243757d78bc27982c6b0 Mon Sep 17 00:00:00 2001
From: Ryan Harvey <ryanh412@gmail.com>
Date: Wed, 6 Nov 2024 16:43:35 -0500
Subject: [PATCH] Create test_cut_dat.m

---
 test/test_cut_dat.m | 46 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 test/test_cut_dat.m

diff --git a/test/test_cut_dat.m b/test/test_cut_dat.m
new file mode 100644
index 0000000..a8163f3
--- /dev/null
+++ b/test/test_cut_dat.m
@@ -0,0 +1,46 @@
+function tests = test_cut_dat
+tests = functiontests(localfunctions);
+end
+
+function testFileRenamingAndProcessing(testCase)
+% Setup: Create mock .dat files to simulate ephys data files
+mockFiles = {'amplifier.dat', 'auxiliary.dat', 'digitalin.dat'};
+nChannels = 32; % Updated channel count
+sampleRate = 20000; % Hz
+originalDuration = 2; % seconds
+cutDuration = 1; % seconds (to test trimming)
+nSamples = originalDuration * sampleRate * nChannels; % Total samples for 2 seconds
+
+for i = 1:length(mockFiles)
+    fid = fopen(mockFiles{i}, 'w');
+    fwrite(fid, ones(1, nSamples, 'int16'), 'int16'); % Write 2 seconds of sample data
+    fclose(fid);
+end
+
+% Run the function with maxTime set to 1 second
+cut_dat(nChannels, cutDuration, 'sample_rate', sampleRate);
+
+% Verify: Check that _original.dat files were created and cut correctly
+for i = 1:length(mockFiles)
+    originalFile = [mockFiles{i}(1:end - 4), '_original.dat'];
+    newFile = mockFiles{i};
+
+    % Check existence of original and trimmed files
+    verifyTrue(testCase, isfile(originalFile), ['Missing file: ', originalFile]);
+    verifyTrue(testCase, isfile(newFile), ['Processed file not found: ', newFile]);
+
+    % Check that the new file has data corresponding to 1 second
+    newFileInfo = dir(newFile);
+    expectedSize = cutDuration * sampleRate * nChannels * 2; % 1 sec of int16 data with 32 channels
+    % Set a tolerance of 64 bytes
+    tolerance = 64;
+    verifyTrue(testCase, abs(newFileInfo.bytes-expectedSize) <= tolerance, ...
+        sprintf('File size mismatch for: %s (within tolerance of %d bytes)', newFile, tolerance));
+end
+
+% Cleanup: Remove generated files
+for i = 1:length(mockFiles)
+    delete(mockFiles{i});
+    delete([mockFiles{i}(1:end - 4), '_original.dat']);
+end
+end