Tweaks for windows compatibility, remove some duplication

.github/workflows/test.yml

@@ -86,23 +86,32 @@ jobs:
           name: ${{ matrix.artifact }}
           path: artifact/
 
-      - name: Extract artifact
+      - name: Extract artifact (Windows)
+        if: runner.os == 'Windows'
+        shell: pwsh
+        run: |
+          foreach ($file in Get-ChildItem artifact/*) {
+              & 7z e $file -oartifact
+          }
+
+      - name: Extract artifact - (Linux/MacOS)
+        if: runner.os != 'Windows'
+        shell: bash
         run: |
           for file in artifact/*; do
             ${{ matrix.extract }} "$file"
           done
 
       - name: Create sample folder and copy foo.ts
+        shell: bash
         run: |
+          rm -rf sample
           mkdir sample
-          cp ./.github/foo.ts sample/
+          cp ./.github/foo.ts sample/foo.ts
 
       - name: Test binary
         shell: bash
         run: |
-          rm -rf sample
-          mkdir sample
-          cp ./.github/foo.ts sample/foo.ts
           EXPECTED_OUTPUT=$(cat <<'EOF'
           [{"file_name":"foo.ts","cyclo":3,"halstead":{"uniq_operators":13,"uniq_operands":21,"total_operators":39,"total_operands":44,"program_length":34,"vocabulary_size":83,"volume":216.75134066579542,"difficulty":9.068181818181818,"effort":1965.5405664920995,"time":109.19669813844997,"bugs":0.07225044688859847},"line_count":23,"fta_score":42.65462143345264,"assessment":"OK"}]
           EOF