diff --git a/test/README.md b/test/README.md
index ac03fce..9767541 100644
--- a/test/README.md
+++ b/test/README.md
@@ -1,6 +1,6 @@
 # blah2 Test
 
-**TODO: Tests not implemented yet. Describing desired behaviour for the time being.**
+A set of tests are provided for development/debugging.
 
 ## Framework
 
@@ -18,14 +18,26 @@ The test files are split across directories defined by the type of test.
 
 All tests are compiled when building, however tests be run manually.
 
-- Run a single test case for "TestClass".
+- Run a single unit test for "TestClass".
 
 ```
-sudo docker compose run blah2-test TestClass
+sudo docker exec -it blah2 /blah2/bin/test/unit/testClass
 ```
 
-- Run all test cases.
+- Run a single functional test for "TestFunctional".
 
 ```
-sudo docker compose run blah2-test *
+sudo docker exec -it blah2 /blah2/bin/test/functional/testFunctional
+```
+
+- Run a single comparison test for "TestComparison".
+
+```
+sudo docker exec -it blah2 /blah2/bin/test/comparison/testComparison
+```
+
+- *TODO:* Run all test cases.
+
+```
+sudo docker exec -it blah2 /blah2/bin/test/runall.sh
 ```
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diff --git a/test/unit/process/tracker/TestTracker.cpp b/test/unit/process/tracker/TestTracker.cpp
new file mode 100644
index 0000000..95fb28f
--- /dev/null
+++ b/test/unit/process/tracker/TestTracker.cpp
@@ -0,0 +1,47 @@
+/// @file TestTracker.cpp
+/// @brief Unit test for Tracker.cpp
+/// @author 30hours
+
+#define CATCH_CONFIG_MAIN
+#include "catch_amalgamated.hpp"
+
+#include "Detection.h"
+#include "Tracker.h"
+#include "Track.h"
+#include <string>
+#include <vector>
+#include <random>
+#include <iostream>
+
+/// @brief Test constructor.
+/// @details Check constructor parameters created correctly.
+TEST_CASE("Constructor", "[constructor]")
+{
+    uint32_t m = 3;
+    uint32_t n = 5;
+    uint32_t nDelete = 5;
+    double cpi = 0.5;
+    double maxAccInit = 10;
+    double rangeRes = 100;
+    Tracker tracker = Tracker(m, n, nDelete, cpi, maxAccInit, rangeRes);
+}
+
+/// @brief Test process for an ACTIVE track.
+TEST_CASE("Process ACTIVE track constant acc", "[process]")
+{
+  uint32_t m = 3;
+  uint32_t n = 5;
+  uint32_t nDelete = 5;
+  double cpi = 0.5;
+  double maxAccInit = 10;
+  double rangeRes = 100;
+  Tracker tracker = Tracker(m, n, nDelete, 
+    cpi, maxAccInit, rangeRes);
+  
+  
+  // create detections with constant acc 5 Hz/s
+  std::vector<double> delay = {10};
+  std::vector<double> doppler = {-20};
+
+  std::string state = "ACTIVE";
+}
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