test: wrappers without F4PGA_INSTALL_DIR (exception expected)

Signed-off-by: Unai Martinez-Corral <umartinezcorral@antmicro.com>

test/test_wrappers.py

@@ -1,28 +1,31 @@
+from os import environ
 from pytest import mark
 from sys import stdout, stderr
 
 from subprocess import check_call
 
 
+wrappers = [
+    'symbiflow_generate_constraints',
+    'symbiflow_pack',
+    'symbiflow_place',
+    'symbiflow_route',
+    'symbiflow_synth',
+    'symbiflow_write_bitstream',
+    'symbiflow_write_fasm',
+    'symbiflow_write_xml_rr_graph',
+    'vpr_common',
+    'symbiflow_analysis',
+    'symbiflow_repack',
+    'symbiflow_generate_bitstream',
+    'symbiflow_generate_libfile',
+    'ql_symbiflow'
+]
+
 @mark.xfail
 @mark.parametrize(
     "wrapper",
-    [
-        'symbiflow_generate_constraints',
-        'symbiflow_pack',
-        'symbiflow_place',
-        'symbiflow_route',
-        'symbiflow_synth',
-        'symbiflow_write_bitstream',
-        'symbiflow_write_fasm',
-        'symbiflow_write_xml_rr_graph',
-        'vpr_common',
-        'symbiflow_analysis',
-        'symbiflow_repack',
-        'symbiflow_generate_bitstream',
-        'symbiflow_generate_libfile',
-        'ql_symbiflow'
-    ]
+    wrappers
 )
 def test_shell_wrapper(wrapper):
     print(f"\n::group::Test {wrapper}")
@@ -32,3 +35,20 @@ def test_shell_wrapper(wrapper):
         check_call(f"{wrapper}")
     finally:
         print("\n::endgroup::")
+
+@mark.xfail
+@mark.parametrize(
+    "wrapper",
+    wrappers
+)
+def test_shell_wrapper_without_F4PGA_INSTALL_DIR(wrapper):
+    test_environ = environ.copy()
+    del test_environ['F4PGA_INSTALL_DIR']
+
+    print(f"\n::group::Test {wrapper}")
+    stdout.flush()
+    stderr.flush()
+    try:
+        check_call(f"{wrapper}", env=test_environ)
+    finally:
+        print("\n::endgroup::")