feat: add test for duplicate triggers (#1)

### Explanation

_No response_

### Issue

_No response_

### Attestations

- [x] I have read and agree to the [Code of Conduct](https://docs.nhcarrigan.com/community/coc/)
- [x] I have read and agree to the [Community Guidelines](https://docs.nhcarrigan.com/community/guide/).
- [x] My contribution complies with the [Contributor Covenant](https://docs.nhcarrigan.com/dev/covenant/).

### Dependencies

- [x] I have pinned the dependencies to a specific patch version.

### Style

- [ ] I have run the linter and resolved any errors.
- [ ] My pull request uses an appropriate title, matching the conventional commit standards.
- [ ] My scope of feat/fix/chore/etc. correctly matches the nature of changes in my pull request.

### Tests

- [x] My contribution adds new code, and I have added tests to cover it.
- [ ] My contribution modifies existing code, and I have updated the tests to reflect these changes.
- [x] All new and existing tests pass locally with my changes.
- [ ] Code coverage remains at or above the configured threshold.

### Documentation

_No response_

### Versioning

_No response_

Reviewed-on: #1
Co-authored-by: Naomi Carrigan <commits@nhcarrigan.com>
Co-committed-by: Naomi Carrigan <commits@nhcarrigan.com>

.gitea/workflows/ci.yml

@@ -0,0 +1,19 @@
+name: CI
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  test:
+    name: Validate YAML
+
+    steps:
+      - name: Checkout Source Files
+        uses: actions/checkout@v4
+
+      - name: Run Tests
+        run: ./test.sh

test.sh

@@ -0,0 +1,55 @@
+#!/bin/bash
+
+# Directory containing YAML files
+MATCH_DIR="match"
+
+# Check if directory exists
+if [ ! -d "$MATCH_DIR" ]; then
+    echo "Error: Directory '$MATCH_DIR' not found!"
+    exit 1
+fi
+
+# Temporary file to store all triggers
+ALL_TRIGGERS=$(mktemp)
+
+# Find all YAML files and extract triggers
+echo "Scanning YAML files in $MATCH_DIR directory..."
+for file in "$MATCH_DIR"/*.y*ml; do
+    if [ -f "$file" ]; then
+        echo "Processing file: $(basename "$file")"
+        # Extract triggers using grep and sed
+        # This looks for lines with "trigger:" and captures the value
+        grep -E '^\s*-\s*trigger:' "$file" | sed 's/.*trigger:\s*"\([^"]*\)".*/\1/' >> "$ALL_TRIGGERS"
+    fi
+done
+
+# Check if we found any triggers
+if [ ! -s "$ALL_TRIGGERS" ]; then
+    echo "No triggers found in YAML files. Check file format or directory."
+    rm "$ALL_TRIGGERS"
+    exit 1
+fi
+
+# Sort triggers and find duplicates
+echo -e "\nChecking for duplicate triggers..."
+DUPLICATES=$(sort "$ALL_TRIGGERS" | uniq -d)
+
+# Display results
+if [ -z "$DUPLICATES" ]; then
+    echo "Success: All triggers are unique!"
+    TOTAL=$(wc -l < "$ALL_TRIGGERS")
+    echo "Total number of triggers found: $TOTAL"
+else
+    echo "Error: Duplicate triggers found:"
+    echo "$DUPLICATES"
+
+    # Optional: Show which files contain each duplicate
+    echo -e "\nDuplicates found in these files:"
+    for dupe in $DUPLICATES; do
+        echo "Trigger \"$dupe\" found in:"
+        grep -l "trigger: \"$dupe\"" "$MATCH_DIR"/*.y*ml
+    done
+fi
+
+# Clean up
+rm "$ALL_TRIGGERS"