Can specify a working directory for tests. Closes #326.

backends.py

@@ -21,7 +21,7 @@ from coredata import MesonException
 
 class TestSerialisation:
     def __init__(self, name, fname, is_cross, exe_wrapper, is_parallel, cmd_args, env,
-                 should_fail, valgrind_args, timeout, extra_paths):
+                 should_fail, valgrind_args, timeout, workdir, extra_paths):
         self.name = name
         self.fname = fname
         self.is_cross = is_cross
@@ -32,6 +32,7 @@ class TestSerialisation:
         self.should_fail = should_fail
         self.valgrind_args = valgrind_args
         self.timeout = timeout
+        self.workdir = workdir
         self.extra_paths = extra_paths
 
 # This class contains the basic functionality that is needed by all backends.
@@ -303,7 +304,7 @@ class Backend():
                 cmd_args.append(a)
             ts = TestSerialisation(t.get_name(), fname, is_cross, exe_wrapper,
                                    t.is_parallel, cmd_args, t.env, t.should_fail, t.valgrind_args,
-                                   t.timeout, extra_paths)
+                                   t.timeout, t.workdir, extra_paths)
             arr.append(ts)
         pickle.dump(arr, datafile)
 

interpreter.py

@@ -528,7 +528,7 @@ class RunTargetHolder(InterpreterObject):
         self.held_object = build.RunTarget(name, command, args, subdir)
 
 class Test(InterpreterObject):
-    def __init__(self, name, exe, is_parallel, cmd_args, env, should_fail, valgrind_args, timeout):
+    def __init__(self, name, exe, is_parallel, cmd_args, env, should_fail, valgrind_args, timeout, workdir):
         InterpreterObject.__init__(self)
         self.name = name
         self.exe = exe
@@ -538,6 +538,7 @@ class Test(InterpreterObject):
         self.should_fail = should_fail
         self.valgrind_args = valgrind_args
         self.timeout = timeout
+        self.workdir = workdir
 
     def get_exe(self):
         return self.exe
@@ -1723,9 +1724,17 @@ class Interpreter():
         if not isinstance(should_fail, bool):
             raise InterpreterException('Keyword argument should_fail must be a boolean.')
         timeout = kwargs.get('timeout', 30)
+        if 'workdir' in kwargs:
+            workdir = kwargs['workdir']
+            if not isinstance(workdir, str):
+                raise InterpreterException('Workdir keyword argument must be a string.')
+            if not os.path.isabs(workdir):
+                raise InterpreterException('Workdir keyword argument must be an absolute path.')
+        else:
+            workdir = None
         if not isinstance(timeout, int):
             raise InterpreterException('Timeout must be an integer.')
-        t = Test(args[0], args[1].held_object, par, cmd_args, env, should_fail, valgrind_args, timeout)
+        t = Test(args[0], args[1].held_object, par, cmd_args, env, should_fail, valgrind_args, timeout, workdir)
         if is_base_test:
             self.build.tests.append(t)
             mlog.debug('Adding test "', mlog.bold(args[0]), '".', sep='')

meson_test.py

@@ -104,7 +104,7 @@ def run_single_test(wrap, test):
         if len(test.extra_paths) > 0:
             child_env['PATH'] = child_env['PATH'] + ';'.join([''] + test.extra_paths)
         p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE,
-                             env=child_env)
+                             env=child_env, cwd=test.workdir)
         timed_out = False
         try:
             (stdo, stde) = p.communicate(timeout=test.timeout)

test cases/common/100 test workdir/meson.build

@@ -0,0 +1,6 @@
+project('test workdir', 'c')
+
+exe = executable('opener', 'opener.c')
+
+test('basic', exe, workdir : meson.source_root())
+test('shouldfail', exe, should_fail : true)

test cases/common/100 test workdir/opener.c

@@ -0,0 +1,12 @@
+// This test only succeeds if run in the source root dir.
+
+#include<stdio.h>
+
+int main(int arg, char **argv) {
+    FILE *f = fopen("opener.c", "r");
+    if(f) {
+        fclose(f);
+        return 0;
+    }
+    return 1;
+}

test cases/failing/23 rel testdir/meson.build

@@ -0,0 +1,4 @@
+project('nonabs workdir', 'c')
+
+exe = executable('simple', 'simple.c')
+test('simple', exe, workdir : '.')

test cases/failing/23 rel testdir/simple.c

@@ -0,0 +1,3 @@
+int main(int argc, char **argv) {
+    return 0;
+}