[RFC 7/8] mi/python: Add tests for python-defined MI commands

[Jan Vrany <jan.vrany@fit.cvut.cz>]

gdb/testsuite/Changelog:

	* gdb.python/py-mi-cmd.exp: New file.
	* gdb.python/py-mi-cmd-1.py: New file.
---
 gdb/testsuite/ChangeLog                 |  5 ++
 gdb/testsuite/gdb.python/py-mi-cmd-1.py | 27 +++++++++
 gdb/testsuite/gdb.python/py-mi-cmd.exp  | 77 +++++++++++++++++++++++++
 3 files changed, 109 insertions(+)
 create mode 100644 gdb/testsuite/gdb.python/py-mi-cmd-1.py
 create mode 100644 gdb/testsuite/gdb.python/py-mi-cmd.exp

diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index d46422635b..a71b3f25db 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2018-12-10  Jan Vrany  <jan.vrany@fit.cvut.cz>
+
+	* gdb.python/py-mi-cmd.exp: New file.
+	* gdb.python/py-mi-cmd-1.py: New file.
+
 2019-04-15  Leszek Swirski  <leszeks@google.com>
 
 	* gdb.arch/amd64-eval.cc: New file.
diff --git a/gdb/testsuite/gdb.python/py-mi-cmd-1.py b/gdb/testsuite/gdb.python/py-mi-cmd-1.py
new file mode 100644
index 0000000000..2e73c022a3
--- /dev/null
+++ b/gdb/testsuite/gdb.python/py-mi-cmd-1.py
@@ -0,0 +1,27 @@
+import gdb
+
+class pycmd(gdb.MICommand):
+    def invoke(self, argv):
+        if argv[0] == 'int':
+            return 42
+        elif argv[0] == 'str':
+            return "Hello world!"
+        elif argv[0] == 'ary':
+            return [ 'Hello', 42 ]
+        elif argv[0] == "dct":
+            return { 'hello' : 'world', 'times' : 42}
+        elif argv[0] == 'tpl':
+            return ( 42 , 'Hello' )
+        elif argv[0] == 'itr':
+            return iter([1,2,3])
+        elif argv[0] == 'nn1':
+            return None
+        elif argv[0] == 'nn2':
+            return [ None ]
+        elif argv[0] == 'exp':
+            raise gdb.GdbError()
+        else:
+            raise gdb.GdbError("Invalid parameter: %s" % argv[0])
+
+pycmd('-pycmd')
+
diff --git a/gdb/testsuite/gdb.python/py-mi-cmd.exp b/gdb/testsuite/gdb.python/py-mi-cmd.exp
new file mode 100644
index 0000000000..17afb6c83e
--- /dev/null
+++ b/gdb/testsuite/gdb.python/py-mi-cmd.exp
@@ -0,0 +1,77 @@
+# Copyright (C) 2018 Free Software Foundation, Inc.
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Tests whether -var-info-path-expression fails as documented when
+# invoked on a dynamic varobj.
+
+load_lib mi-support.exp
+set MIFLAGS "-i=mi2"
+
+gdb_exit
+if {[mi_gdb_start]} {
+    continue
+}
+
+mi_gdb_test "set python print-stack full" \
+  ".*\\^done" \
+  "set python print-stack full"
+
+standard_testfile
+#
+# Start here
+#
+mi_gdb_test "source ${srcdir}/${subdir}/${testfile}-1.py" \
+  ".*\\^done" \
+  "load python file"
+
+
+mi_gdb_test "-pycmd int" \
+  "\\^done,result=\"42\"" \
+  "-pycmd int"
+
+mi_gdb_test "-pycmd str" \
+  "\\^done,result=\"Hello world!\"" \
+  "-pycmd str"
+
+mi_gdb_test "-pycmd ary" \
+  "\\^done,result=\\\[\"Hello\",\"42\"\\\]" \
+  "-pycmd ary"
+
+mi_gdb_test "-pycmd dct" \
+  "\\^done,result={hello=\"world\",times=\"42\"}" \
+  "-pycmd dct"
+
+mi_gdb_test "-pycmd tpl" \
+  "\\^done,result=\\\[\"42\",\"Hello\"\\\]" \
+  "-pycmd tpl"
+
+mi_gdb_test "-pycmd itr" \
+  "\\^done,result=\\\[\"1\",\"2\",\"3\"\\\]" \
+  "-pycmd itr"
+
+mi_gdb_test "-pycmd nn1" \
+  "\\^done" \
+  "-pycmd nn1"
+
+mi_gdb_test "-pycmd nn2" \
+  "\\^done,result=\\\[\"None\"\\\]" \
+  "-pycmd nn2"
+
+mi_gdb_test "-pycmd bogus" \
+  "\\^error,msg=\"Invalid parameter: bogus\"" \
+  "-pycmd bogus"
+
+mi_gdb_test "-pycmd exp" \
+  "\\^error,msg=\"Failed to execute command\"" \
+  "-pycmd exp"
-- 
2.20.1