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[Qemu-devel] [PULL 01/12] qapi: Use generated TestStruct machinery in te


From: Markus Armbruster
Subject: [Qemu-devel] [PULL 01/12] qapi: Use generated TestStruct machinery in tests
Date: Mon, 9 Nov 2015 18:46:33 +0100

From: Eric Blake <address@hidden>

Commit d88f5fd and friends first introduced the various test-qmp-*
tests in 2011, with duplicated hand-rolled TestStruct machinery,
to make sure the qapi visitor interface was tested.  Later, commit
4f193e3 in 2013 added a .json file for further testing use by the
files, but without consolidating any of the existing hand-rolled
visitors.  And with four copies, subtle differences have crept in,
between the tests themselves (mainly whitespace differences, but
also a question of whether to use NULL or "TestStruct" when
calling visit_start_struct()) and from what the generator produces
(the hand-rolled versions did not cater to partially-allocated
objects, because they did not have a deallocation usage).

Of course, just because the visitor interface is tested does not
mean it is a sane interface; and future patches will be changing
some of the visitor contracts.  Rather than having to duplicate
the cleanup work in each copy of the TestStruct visitor, and keep
each hand-rolled copy in sync with what the generator supplies, we
might as well just test what the generator should give us in the
first place.

Signed-off-by: Eric Blake <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Markus Armbruster <address@hidden>
---
 tests/qapi-schema/qapi-schema-test.json |  6 +++-
 tests/qapi-schema/qapi-schema-test.out  |  5 +++
 tests/test-qmp-input-strict.c           | 35 --------------------
 tests/test-qmp-input-visitor.c          | 34 -------------------
 tests/test-qmp-output-visitor.c         | 58 ---------------------------------
 tests/test-visitor-serialization.c      | 34 -------------------
 6 files changed, 10 insertions(+), 162 deletions(-)

diff --git a/tests/qapi-schema/qapi-schema-test.json 
b/tests/qapi-schema/qapi-schema-test.json
index 48e104b..44638da 100644
--- a/tests/qapi-schema/qapi-schema-test.json
+++ b/tests/qapi-schema/qapi-schema-test.json
@@ -3,6 +3,9 @@
 # This file is a stress test of supported qapi constructs that must
 # parse and compile correctly.
 
+{ 'struct': 'TestStruct',
+  'data': { 'integer': 'int', 'boolean': 'bool', 'string': 'str' } }
+
 # for testing enums
 { 'struct': 'NestedEnumsOne',
   'data': { 'enum1': 'EnumOne',   # Intentional forward reference
@@ -46,7 +49,8 @@
 
 # dummy struct to force generation of array types not otherwise mentioned
 { 'struct': 'ForceArrays',
-  'data': { 'unused1':['UserDefOne'], 'unused2':['UserDefTwo'] } }
+  'data': { 'unused1':['UserDefOne'], 'unused2':['UserDefTwo'],
+            'unused3':['TestStruct'] } }
 
 # for testing unions
 # Among other things, test that a name collision between branches does
diff --git a/tests/qapi-schema/qapi-schema-test.out 
b/tests/qapi-schema/qapi-schema-test.out
index a7e9aab..e20a823 100644
--- a/tests/qapi-schema/qapi-schema-test.out
+++ b/tests/qapi-schema/qapi-schema-test.out
@@ -92,6 +92,7 @@ object EventStructOne
 object ForceArrays
     member unused1: UserDefOneList optional=False
     member unused2: UserDefTwoList optional=False
+    member unused3: TestStructList optional=False
 enum MyEnum []
 object NestedEnumsOne
     member enum1: EnumOne optional=False
@@ -100,6 +101,10 @@ object NestedEnumsOne
     member enum4: EnumOne optional=True
 enum QEnumTwo ['value1', 'value2']
     prefix QENUM_TWO
+object TestStruct
+    member integer: int optional=False
+    member boolean: bool optional=False
+    member string: str optional=False
 object UserDefA
     member boolean: bool optional=False
     member a_b: int optional=True
diff --git a/tests/test-qmp-input-strict.c b/tests/test-qmp-input-strict.c
index 53a7693..b44184f 100644
--- a/tests/test-qmp-input-strict.c
+++ b/tests/test-qmp-input-strict.c
@@ -89,41 +89,6 @@ static Visitor *validate_test_init_raw(TestInputVisitorData 
*data,
     return v;
 }
 
-typedef struct TestStruct
-{
-    int64_t integer;
-    bool boolean;
-    char *string;
-} TestStruct;
-
-static void visit_type_TestStruct(Visitor *v, TestStruct **obj,
-                                  const char *name, Error **errp)
-{
-    Error *err = NULL;
-
-    visit_start_struct(v, (void **)obj, "TestStruct", name, sizeof(TestStruct),
-                       &err);
-    if (err) {
-        goto out;
-    }
-
-    visit_type_int(v, &(*obj)->integer, "integer", &err);
-    if (err) {
-        goto out_end;
-    }
-    visit_type_bool(v, &(*obj)->boolean, "boolean", &err);
-    if (err) {
-        goto out_end;
-    }
-    visit_type_str(v, &(*obj)->string, "string", &err);
-
-out_end:
-    error_propagate(errp, err);
-    err = NULL;
-    visit_end_struct(v, &err);
-out:
-    error_propagate(errp, err);
-}
 
 static void test_validate_struct(TestInputVisitorData *data,
                                   const void *unused)
diff --git a/tests/test-qmp-input-visitor.c b/tests/test-qmp-input-visitor.c
index de65982..3f6bc4d 100644
--- a/tests/test-qmp-input-visitor.c
+++ b/tests/test-qmp-input-visitor.c
@@ -185,40 +185,6 @@ static void test_visitor_in_enum(TestInputVisitorData 
*data,
     data->qiv = NULL;
 }
 
-typedef struct TestStruct
-{
-    int64_t integer;
-    bool boolean;
-    char *string;
-} TestStruct;
-
-static void visit_type_TestStruct(Visitor *v, TestStruct **obj,
-                                  const char *name, Error **errp)
-{
-    Error *err = NULL;
-
-    visit_start_struct(v, (void **)obj, "TestStruct", name, sizeof(TestStruct),
-                       &err);
-    if (err) {
-        goto out;
-    }
-    visit_type_int(v, &(*obj)->integer, "integer", &err);
-    if (err) {
-        goto out_end;
-    }
-    visit_type_bool(v, &(*obj)->boolean, "boolean", &err);
-    if (err) {
-        goto out_end;
-    }
-    visit_type_str(v, &(*obj)->string, "string", &err);
-
-out_end:
-    error_propagate(errp, err);
-    err = NULL;
-    visit_end_struct(v, &err);
-out:
-    error_propagate(errp, err);
-}
 
 static void test_visitor_in_struct(TestInputVisitorData *data,
                                    const void *unused)
diff --git a/tests/test-qmp-output-visitor.c b/tests/test-qmp-output-visitor.c
index 09d0dd8..baf58dc 100644
--- a/tests/test-qmp-output-visitor.c
+++ b/tests/test-qmp-output-visitor.c
@@ -166,41 +166,6 @@ static void 
test_visitor_out_enum_errors(TestOutputVisitorData *data,
     }
 }
 
-typedef struct TestStruct
-{
-    int64_t integer;
-    bool boolean;
-    char *string;
-} TestStruct;
-
-static void visit_type_TestStruct(Visitor *v, TestStruct **obj,
-                                  const char *name, Error **errp)
-{
-    Error *err = NULL;
-
-    visit_start_struct(v, (void **)obj, "TestStruct", name, sizeof(TestStruct),
-                       &err);
-    if (err) {
-        goto out;
-    }
-
-    visit_type_int(v, &(*obj)->integer, "integer", &err);
-    if (err) {
-        goto out_end;
-    }
-    visit_type_bool(v, &(*obj)->boolean, "boolean", &err);
-    if (err) {
-        goto out_end;
-    }
-    visit_type_str(v, &(*obj)->string, "string", &err);
-
-out_end:
-    error_propagate(errp, err);
-    err = NULL;
-    visit_end_struct(v, &err);
-out:
-    error_propagate(errp, err);
-}
 
 static void test_visitor_out_struct(TestOutputVisitorData *data,
                                     const void *unused)
@@ -314,29 +279,6 @@ static void 
test_visitor_out_struct_errors(TestOutputVisitorData *data,
     }
 }
 
-typedef struct TestStructList
-{
-    union {
-        TestStruct *value;
-        uint64_t padding;
-    };
-    struct TestStructList *next;
-} TestStructList;
-
-static void visit_type_TestStructList(Visitor *v, TestStructList **obj,
-                                      const char *name, Error **errp)
-{
-    GenericList *i, **head = (GenericList **)obj;
-
-    visit_start_list(v, name, errp);
-
-    for (*head = i = visit_next_list(v, head, errp); i; i = visit_next_list(v, 
&i, errp)) {
-        TestStructList *native_i = (TestStructList *)i;
-        visit_type_TestStruct(v, &native_i->value, NULL, errp);
-    }
-
-    visit_end_list(v, errp);
-}
 
 static void test_visitor_out_list(TestOutputVisitorData *data,
                                   const void *unused)
diff --git a/tests/test-visitor-serialization.c 
b/tests/test-visitor-serialization.c
index 634563b..c024e5e 100644
--- a/tests/test-visitor-serialization.c
+++ b/tests/test-visitor-serialization.c
@@ -186,40 +186,6 @@ static void visit_primitive_list(Visitor *v, void 
**native, Error **errp)
     }
 }
 
-typedef struct TestStruct
-{
-    int64_t integer;
-    bool boolean;
-    char *string;
-} TestStruct;
-
-static void visit_type_TestStruct(Visitor *v, TestStruct **obj,
-                                  const char *name, Error **errp)
-{
-    Error *err = NULL;
-
-    visit_start_struct(v, (void **)obj, NULL, name, sizeof(TestStruct), &err);
-    if (err) {
-        goto out;
-    }
-
-    visit_type_int(v, &(*obj)->integer, "integer", &err);
-    if (err) {
-        goto out_end;
-    }
-    visit_type_bool(v, &(*obj)->boolean, "boolean", &err);
-    if (err) {
-        goto out_end;
-    }
-    visit_type_str(v, &(*obj)->string, "string", &err);
-
-out_end:
-    error_propagate(errp, err);
-    err = NULL;
-    visit_end_struct(v, &err);
-out:
-    error_propagate(errp, err);
-}
 
 static TestStruct *struct_create(void)
 {
-- 
2.4.3




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