Fixed test to be able to be executed on OS different from linux

src/test/java/org/gcube/informationsystem/resourceregistry/instances/SmartgearResourcesTest.java

@@ -445,6 +445,37 @@ public class SmartgearResourcesTest extends ERManagementTest {
 	public static final String CPU_MODEL_B = "model\b";
 	public static final String CPU_MODEL_NUMBER = "modelNumber";
 
+	
+	public static List<CPUFacet> getFakeCPUFacets() {
+		List<CPUFacet> cpuFacets = new ArrayList<>();
+		
+		if(cpuFacets.size()==0) {
+			for(int i=0; i<8; i++) {
+				CPUFacet cpuFacet = new CPUFacetImpl();
+				cpuFacet.setVendor("Apple");
+				cpuFacet.setModel("Apple M2 Pro");
+				cpuFacet.setClockSpeed("3,504 GHz");
+				cpuFacet.setAdditionalProperty("coreType", "Performance Cores (Avalanche)");
+				cpuFacets.add(cpuFacet);
+			}
+			for(int i=0; i<4; i++) {
+				CPUFacet cpuFacet = new CPUFacetImpl();
+				cpuFacet.setVendor("Apple");
+				cpuFacet.setModel("Apple M2 Pro");
+				cpuFacet.setClockSpeed("2.424 GHz");
+				cpuFacet.setAdditionalProperty("coreType", "Efficiency Cores (Blizzard)");
+				cpuFacets.add(cpuFacet);
+				
+			}
+		}
+		return cpuFacets;
+	}
+	
+	/**
+	 * This function properly works on Linux but fails on 
+	 * other system such as Mac OS. In such case, the function
+	 * getFakeCPUFacet() is used instead;
+	 */
 	public static List<CPUFacet> getCPUFacets() {
 
 		List<CPUFacet> cpuFacets = new ArrayList<>();
@@ -453,7 +484,7 @@ public class SmartgearResourcesTest extends ERManagementTest {
 
 		if (!file.exists()) {
 			logger.warn("cannot acquire CPU info (no /proc/cpuinfo)");
-			return cpuFacets;
+			return getFakeCPUFacets();
 		}
 
 		BufferedReader input = null;
@@ -531,6 +562,11 @@ public class SmartgearResourcesTest extends ERManagementTest {
 				}
 			}
 		}
+		
+		if(cpuFacets.size()==0) {
+			return getFakeCPUFacets();
+		}
+		
 		return cpuFacets;
 	}
 }