Merge pull request RIOT-OS#12816 from aabadie/pr/tests/stdin_fix_avr

tests/stdin: fix automatic test on slow platforms
ZetaR60 · Dec 5, 2019 · 2b934de · 2b934de
2 parents cf0fb1d + a4c3d73
commit 2b934de
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Showing 2 changed files with 20 additions and 4 deletions.
diff --git a/tests/stdin/main.c b/tests/stdin/main.c
@@ -18,7 +18,10 @@
 
 int main(void)
 {
-    int value = getchar();
-    printf("You entered '%c'\n", (char)value);
+    while (1) {
+        int value = getchar();
+        printf("You entered '%c'\n", (char)value);
+    }
+
     return 0;
 }
diff --git a/tests/stdin/tests/01-run.py b/tests/stdin/tests/01-run.py
@@ -7,12 +7,25 @@
 # directory for more details.
 
 import sys
+import pexpect
 from testrunner import run
 
 
+TEST_INPUT = 'O'
+RETRIES = 5
+TIMEOUT = 3
+
+
 def testfunc(child):
-    child.sendline('O')
-    child.expect_exact('You entered \'O\'')
+    expected_output = 'You entered \'{}\''.format(TEST_INPUT)
+    for _ in range(0, RETRIES):
+        child.sendline(TEST_INPUT)
+        ret = child.expect_exact([expected_output, pexpect.TIMEOUT],
+                                 timeout=TIMEOUT)
+        if ret == 0:
+            break
+    else:
+        child.expect_exact(expected_output)
 
 
 if __name__ == "__main__":