[4/7] arm/oeqa: add basic runfvp test cases

diff --git a/meta-arm/lib/oeqa/selftest/cases/runfvp.py b/meta-arm/lib/oeqa/selftest/cases/runfvp.py
new file mode 100644
index 00000000..5b06ca8e
--- /dev/null
+++ b/meta-arm/lib/oeqa/selftest/cases/runfvp.py
@@ -0,0 +1,51 @@ 
+import os
+import pathlib
+import subprocess
+
+from oeqa.selftest.case import OESelftestTestCase
+
+runfvp = pathlib.Path(__file__).parents[5] / "scripts" / "runfvp"
+testdir = pathlib.Path(__file__).parent / "tests"
+
+class RunFVPTests(OESelftestTestCase):
+    def setUpLocal(self):
+        self.assertTrue(runfvp.exists())
+
+    def run_fvp(self, *args, should_succeed=True):
+        """
+        Call runfvp passing any arguments. If check is True verify return stdout
+        on exit code 0 or fail the test, otherwise return the CompletedProcess
+        instance.
+        """
+        # Put the test directory in PATH so that any mock FVPs are found first
+        newenv = {"PATH": str(testdir) + ":" + os.environ["PATH"]}
+        cli = [runfvp,] + list(args)
+        print(f"Calling {cli}")
+        ret = subprocess.run(cli, env=newenv, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, universal_newlines=True)
+        if should_succeed:
+            self.assertEqual(ret.returncode, 0, f"runfvp exit {ret.returncode}, output: {ret.stdout}")
+            return ret.stdout
+        else:
+            self.assertNotEqual(ret.returncode, 0, f"runfvp exit {ret.returncode}, output: {ret.stdout}")
+            return ret.stdout
+
+    def test_help(self):
+        output = self.run_fvp("--help")
+        self.assertIn("Run images in a FVP", output)
+
+    def test_bad_options(self):
+        self.run_fvp("--this-is-an-invalid-option", should_succeed=False)
+
+    def test_run_auto_tests(self):
+        newenv = {"PATH": str(testdir) + ":" + os.environ["PATH"]}
+
+        cases = list(testdir.glob("auto-*.json"))
+        if not cases:
+            self.fail("No tests found")
+        for case in cases:
+            with self.subTest(case=case.stem):
+                self.run_fvp(case)
+
+    def test_fvp_options(self):
+        # test-parameter sets one argument, add another manually
+        self.run_fvp(testdir / "test-parameter.json", "--", "--parameter", "board.dog=woof")
diff --git a/meta-arm/lib/oeqa/selftest/cases/tests/auto-basic.json b/meta-arm/lib/oeqa/selftest/cases/tests/auto-basic.json
new file mode 100644
index 00000000..476eb572
--- /dev/null
+++ b/meta-arm/lib/oeqa/selftest/cases/tests/auto-basic.json
@@ -0,0 +1,3 @@ 
+{
+    "exe": "auto-basic.sh"
+}
diff --git a/meta-arm/lib/oeqa/selftest/cases/tests/auto-basic.sh b/meta-arm/lib/oeqa/selftest/cases/tests/auto-basic.sh
new file mode 100755
index 00000000..ea9abac1
--- /dev/null
+++ b/meta-arm/lib/oeqa/selftest/cases/tests/auto-basic.sh
@@ -0,0 +1,11 @@ 
+#! /bin/sh
+
+set -e -u
+
+if [ $# = 0 ]; then
+    echo No arguments as expected
+    exit 0
+else
+    echo Unexpected arguments: $*
+    exit 1
+fi
diff --git a/meta-arm/lib/oeqa/selftest/cases/tests/auto-parameters.json b/meta-arm/lib/oeqa/selftest/cases/tests/auto-parameters.json
new file mode 100644
index 00000000..0c7d4ef9
--- /dev/null
+++ b/meta-arm/lib/oeqa/selftest/cases/tests/auto-parameters.json
@@ -0,0 +1,7 @@ 
+{
+    "exe": "test-parameters.py",
+    "parameters": {
+        "board.cow": "moo",
+        "board.dog": "woof"
+    }
+}
diff --git a/meta-arm/lib/oeqa/selftest/cases/tests/mock-fvp.py b/meta-arm/lib/oeqa/selftest/cases/tests/mock-fvp.py
new file mode 100755
index 00000000..2213c9f0
--- /dev/null
+++ b/meta-arm/lib/oeqa/selftest/cases/tests/mock-fvp.py
@@ -0,0 +1,22 @@ 
+#! /usr/bin/env python3
+
+import argparse
+import sys
+
+def do_test_parameters(args):
+    if not args.parameter or set(args.parameter) != set(("board.cow=moo", "board.dog=woof")):
+        print(f"Unexpected arguments: {args}")
+        sys.exit(1)
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument("-C", "--parameter", action="append")
+    args = parser.parse_args()
+
+    function = "do_" + parser.prog.replace("-", "_").replace(".py", "")
+    if function in locals():
+        locals()[function](args)
+    else:
+        print(f"Unknown mock mode {parser.prog}")
+        sys.exit(1)
diff --git a/meta-arm/lib/oeqa/selftest/cases/tests/test-parameter.json b/meta-arm/lib/oeqa/selftest/cases/tests/test-parameter.json
new file mode 100644
index 00000000..9b565f27
--- /dev/null
+++ b/meta-arm/lib/oeqa/selftest/cases/tests/test-parameter.json
@@ -0,0 +1,6 @@ 
+{
+    "exe": "test-parameters.py",
+    "parameters": {
+        "board.cow": "moo"
+    }
+}
diff --git a/meta-arm/lib/oeqa/selftest/cases/tests/test-parameters.py b/meta-arm/lib/oeqa/selftest/cases/tests/test-parameters.py
new file mode 120000
index 00000000..c734eeca
--- /dev/null
+++ b/meta-arm/lib/oeqa/selftest/cases/tests/test-parameters.py
@@ -0,0 +1 @@ 
+mock-fvp.py
\ No newline at end of file