Add unit tests for the cassandra/schema/create.sh script (#6594)

## Which problem is this PR solving?
- Subpart of the #6582 

## Description of the changes
- created unit tests for the create.sh file , to test for various cases
such as presence of Mode parameter , output for specific parameters

## How was this change tested?
- 

## Checklist
- [X] I have read
https://github.com/jaegertracing/jaeger/blob/master/CONTRIBUTING_GUIDELINES.md
- [X] I have signed all commits
- [X] I have added unit tests for the new functionality
- [ ] I have run lint and test steps successfully
  - for `jaeger`: `make lint test`
  - for `jaeger-ui`: `npm run lint` and `npm run test`

---------

Signed-off-by: asim <aktech701@gmail.com>

.github/workflows/ci-lint-checks.yaml

@@ -116,7 +116,7 @@ jobs:
 
     - name: Run unit tests for scripts
       run: |
-        SHUNIT2=.tools/shunit2 bash scripts/utils/compute-tags.test.sh
+        SHUNIT2=.tools/shunit2 bash scripts/utils/run-tests.sh
 
   binary-size-check:
     runs-on: ubuntu-latest
@@ -183,4 +183,4 @@ jobs:
       uses: actions/cache/save@1bd1e32a3bdc45362d1e726936510720a7c30a57     #v4.2.0
       with:
         path: ./jaeger_binary_size.txt
-        key: jaeger_binary_size_${{ github.run_id }}
+        key: jaeger_binary_size_${{ github.run_id }}

plugin/storage/cassandra/schema/create.test.sh

@@ -0,0 +1,86 @@
+#!/bin/bash
+# Copyright (c) 2025 The Jaeger Authors.
+# SPDX-License-Identifier: Apache-2.0
+
+# This script uses https://github.com/kward/shunit2 to run unit tests.
+# The path to this repo must be provided via SHUNIT2 env var.
+
+SHUNIT2="${SHUNIT2:?'expecting SHUNIT2 env var pointing to a dir with https://github.com/kward/shunit2 clone'}"
+
+
+createScript="$(dirname $0)/create.sh"
+
+
+unset MODE
+unset DATACENTER
+unset KEYSPACE
+unset REPLICATION
+unset REPLICATION_FACTOR
+unset TRACE_TTL
+unset DEPENDENCIES_TTL
+unset COMPACTION_WINDOW
+unset VERSION
+
+testRequireMode() {
+    err=$(bash "$createScript" 2>&1)
+    assertContains "$err" "missing MODE parameter"
+}
+
+testInvalidMode() {
+    err=$(MODE=invalid bash "$createScript" 2>&1)
+    assertContains "$err" "invalid MODE=invalid, expecting 'prod' or 'test'"
+}
+
+testProdModeRequiresDatacenter() {
+    err=$(MODE=prod bash "$createScript" 2>&1)
+    assertContains "$err" "missing DATACENTER parameter for prod mode"
+}
+
+testProdModeWithDatacenter() {
+    out=$(MODE=prod DATACENTER=dc1 bash "$createScript" 2>&1)
+    assertContains "$out" "mode = prod"
+    assertContains "$out" "datacenter = dc1"
+    assertContains "$out" "replication = {'class': 'NetworkTopologyStrategy', 'dc1': '2' }"
+}
+
+testTestMode() {
+    out=$(MODE=test bash "$createScript" 2>&1)
+    assertContains "$out" "mode = test"
+    assertContains "$out" "datacenter = test"
+    assertContains "$out" "replication = {'class': 'SimpleStrategy', 'replication_factor': '1'}"
+}
+
+testCustomTTL() {
+    out=$(MODE=test TRACE_TTL=86400 DEPENDENCIES_TTL=172800 bash "$createScript" 2>&1)
+    assertContains "$out" "trace_ttl = 86400"
+    assertContains "$out" "dependencies_ttl = 172800"
+}
+
+testInvalidKeyspace() {
+    err=$(MODE=test KEYSPACE=invalid-keyspace bash "$createScript" 2>&1)
+    assertContains "$err" "invalid characters in KEYSPACE"
+}
+
+testValidKeyspace() {
+    out=$(MODE=test KEYSPACE=valid_keyspace_123 bash "$createScript" 2>&1)
+    assertContains "$out" "keyspace = valid_keyspace_123"
+}
+
+testCustomCompactionWindow() {
+    out=$(MODE=test COMPACTION_WINDOW=24h bash "$createScript" 2>&1)
+    assertContains "$out" "compaction_window_size = 24"
+    assertContains "$out" "compaction_window_unit = HOURS"
+}
+
+testInvalidCompactionWindow() {
+    err=$(MODE=test COMPACTION_WINDOW=24x bash "$createScript" 2>&1)
+    assertContains "$err" "Invalid compaction window size format"
+}
+
+testCustomVersion() {
+    out=$(MODE=test VERSION=3 bash "$createScript" 2>&1)
+    assertContains "$out" "v003.cql.tmpl"
+}
+
+
+source "${SHUNIT2}/shunit2"

scripts/utils/run-tests.sh

@@ -0,0 +1,71 @@
+#!/bin/bash
+
+# Copyright (c) 2025 The Jaeger Authors.
+# SPDX-License-Identifier: Apache-2.0
+
+
+UTILS_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+REPO_ROOT="$UTILS_DIR/../.."
+
+# Define list of test files explicitly here , to be dynamic to the location of the test file
+TEST_FILES=(
+    "$UTILS_DIR/compute-tags.test.sh"
+    "$REPO_ROOT/plugin/storage/cassandra/schema/create.test.sh"
+)
+
+run_test_file() {
+    local test_file="$1"
+    if [ ! -f "$test_file" ]; then
+        echo "Error: Test file not found: $test_file"
+        return 1
+    fi
+
+    echo "Running tests from: $test_file"
+
+    export SHUNIT2="${SHUNIT2:?'SHUNIT2 environment variable must be set'}"
+
+    bash "$test_file"
+    local result=$?
+    echo "Test file $test_file completed with status: $result"
+    return $result
+}
+
+main() {
+
+    if [ ! -f "${SHUNIT2}/shunit2" ]; then
+        echo "Error: shunit2 not found at ${SHUNIT2}/shunit2"
+        exit 1
+    fi
+    local failed=0
+    local total=0
+    local passed=0
+    local failed_tests=()
+
+    # Run all test files
+    for test_file in "${TEST_FILES[@]}"; do
+        ((total++))
+        if ! run_test_file "$test_file"; then
+            failed=1
+            failed_tests+=("$test_file")
+        else
+            ((passed++))
+        fi
+    done
+
+    echo "-------------------"
+    echo "Test Summary:"
+    echo "Total: $total"
+    echo "Passed: $passed"
+    echo "Failed: $((total - passed))"
+
+    if [ ${#failed_tests[@]} -gt 0 ]; then
+        echo "Failed tests:"
+        for test in "${failed_tests[@]}"; do
+            echo "  - $(basename "$test")"
+        done
+    fi
+
+    exit $failed
+}
+
+main