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+# Run a Single Test From coretest Locally
+
+If you have a single coretest that you want to run, for example: `src/test/unit_tests/test_s3_bucket_policy.js`.
+The options for running it are: NC deployment (no DB) and containerized deployment (with DB)
+
+## 1) NC deployment (No DB)
+Run simply with `sudo NC_CORETEST=true node ./node_modules/mocha/bin/mocha .src/test/unit_tests/test_s3_bucket_policy.js`  
+More info can be found in [CI & Tests](#ci--tests).
+
+## 2) Containerized deployment (With DB)
+One way is to run it with: `make run-single-test testname=test_s3_bucket_policy.js`  
+but it would take time to build the needed images, therefore we will focus on another way.
+
+Another way is to create a postgres container and then run the test with the following steps:
+
+### First Tab - Run the Container
+1. Pull postgres image version 15:  
+`docker pull quay.io/sclorg/postgresql-15-c9s`
+- We use postgres with version 15.
+- `c9s` is for CentOS Stream 9.
+2. Run the postgres container with this image:  
+`docker run -p 5432:5432 -e POSTGRESQL_ADMIN_PASSWORD=noobaa  quay.io/sclorg/postgresql-15-c9s`
+- Port 5432 is the port for docker.
+- We added the env `POSTGRESQL_ADMIN_PASSWORD=noobaa` to match the default password we you can find in postgres client ([reference](https://github.com/noobaa/noobaa-core/blob/12847927fc3cde52c4ab0098da41de3ced1fc63a/src/util/postgres_client.js#L1480)).
+
+expect to see output that starts with:
+```
+The files belonging to this database system will be owned by user "postgres".
+This user must also own the server process.
+```
+and ends with:
+```
+Starting server...
+2025-03-05 13:43:57.600 UTC [1] LOG:  redirecting log output to logging collector process
+2025-03-05 13:43:57.600 UTC [1] HINT:  Future log output will appear in directory "log"
+```
+
+## Second Tab - Run the Test
+3. Run the test:  
+- If you run on Rancher Desktop:  
+3.1. Run with: `./node_modules/mocha/bin/mocha.js src/test/unit_tests/test_s3_bucket_policy.js`  
+(by default it is connected to 127.0.0.1).
+- If you run on minikube:  
+3.1. Take the address to connect to docker inside minikube: `minikube ip`  
+3.2. Run with:  
+`POSTGRES_HOST=<output of minikube ip> ./node_modules/mocha/bin/mocha.js src/test/unit_tests/test_s3_bucket_policy.js`
+
+If you want to rerun the test after code changes you can easily run `ctrl + c` in the first tab (to stop and remove the container) and then run it again.  
+Another option, which is less recommended, is to connect to postgres container and drop the tables with:
+- If you run on Rancher Desktop:  
+`psql -h 127.0.0.1 -p 5432 -U postgres postgres`
+- If you run on minikube:  
+`psql -h <output of minikube ip> -p 5432 -U postgres postgres`  
+- And Then: `DROP DATABASE coretest;`
+
+