[PATCH v2 4/9] tests/qtest: Introduce qtest_has_machine_with_env

[Fabiano Rosas <farosas@suse.de>]

Add a variant of qtest_has_machine() that receives an environment
variable containing an alternate QEMU binary path.

Signed-off-by: Fabiano Rosas <farosas@suse.de>
---
 tests/qtest/libqtest.c | 9 +++++++--
 tests/qtest/libqtest.h | 9 +++++++++
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/tests/qtest/libqtest.c b/tests/qtest/libqtest.c
index 47c8b6d46f..c0e4f05979 100644
--- a/tests/qtest/libqtest.c
+++ b/tests/qtest/libqtest.c
@@ -1522,12 +1522,12 @@ void qtest_cb_for_every_machine(void (*cb)(const char *machine),
     }
 }
 
-bool qtest_has_machine(const char *machine)
+bool qtest_has_machine_with_env(const char *var, const char *machine)
 {
     struct MachInfo *machines;
     int i;
 
-    machines = qtest_get_machines(NULL);
+    machines = qtest_get_machines(var);
 
     for (i = 0; machines[i].name != NULL; i++) {
         if (g_str_equal(machine, machines[i].name) ||
@@ -1539,6 +1539,11 @@ bool qtest_has_machine(const char *machine)
     return false;
 }
 
+bool qtest_has_machine(const char *machine)
+{
+    return qtest_has_machine_with_env(NULL, machine);
+}
+
 bool qtest_has_device(const char *device)
 {
     static QList *list;
diff --git a/tests/qtest/libqtest.h b/tests/qtest/libqtest.h
index eef3a11ca4..083b2a6520 100644
--- a/tests/qtest/libqtest.h
+++ b/tests/qtest/libqtest.h
@@ -902,6 +902,15 @@ void qtest_cb_for_every_machine(void (*cb)(const char *machine),
  */
 bool qtest_has_machine(const char *machine);
 
+/**
+ * qtest_has_machine_with_env:
+ * @var: Environment variable from where to take the QEMU binary
+ * @machine: The machine to look for
+ *
+ * Returns: true if the machine is available in the specified binary.
+ */
+bool qtest_has_machine_with_env(const char *var, const char *machine);
+
 /**
  * qtest_has_device:
  * @device: The device to look for
-- 
2.35.3