test/cli: better handling of absolute ignored paths

lib/importproject.cpp

@@ -37,6 +37,7 @@ void ImportProject::ignorePaths(const std::vector<std::string> &ipaths)
     for (std::list<FileSettings>::iterator it = fileSettings.begin(); it != fileSettings.end();) {
         bool ignore = false;
         for (std::string i : ipaths) {
+            if (!Path::isAbsolute(i))
                 i = mPath + i;
             if (it->filename.size() > i.size() && it->filename.compare(0,i.size(),i)==0) {
                 ignore = true;

test/cli/proj2/proj2-exclude.cppcheck

@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="1">
-    <root name="."/>
-    <importproject>compile_commands.json</importproject>
-    <exclude>
-        <path name="b"/>
-    </exclude>
-</project>
-

test/cli/test-proj2.py

@@ -75,11 +75,25 @@ def test_project_1():
 
 def test_project_2():
     create_compile_commands(os.path.join(os.getcwd(), 'proj2'))
-    ret, stdout, stderr = cppcheck('--project=proj2/proj2-exclude.cppcheck')
+
+    # create cppcheck gui project file
+    cppcheck_xml = ('<?xml version="1.0" encoding="UTF-8"?>'
+                    '<project version="1">'
+                    '  <root name="."/>'
+                    '  <importproject>compile_commands.json</importproject>'
+                    '  <exclude>'
+                    '    <path name="' + os.path.join(os.getcwd(), 'proj2', 'b') + '"/>'
+                    '    </exclude>'
+                    '</project>')
+    f = open('proj2/test.cppcheck', 'wt')
+    f.write(cppcheck_xml)
+    f.close()
+
+    ret, stdout, stderr = cppcheck('--project=proj2/test.cppcheck')
     cwd = os.getcwd()
     file1 = os.path.join(cwd, 'proj2', 'a', 'a.c')
-    file2 = os.path.join(cwd, 'proj2', 'b', 'b.c') # Excluded by proj2-exclude.cppcheck
+    file2 = os.path.join(cwd, 'proj2', 'b', 'b.c') # Excluded by test.cppcheck
     assert ret == 0
     assert stdout.find('Checking %s ...' % (file1)) >= 0
-    #assert stdout.find('Checking %s ...' % (file2)) < 0
+    assert stdout.find('Checking %s ...' % (file2)) < 0