Add captured-log support to --show-capture

_pytest/debugging.py

@@ -87,15 +87,16 @@ def _enter_pdb(node, excinfo, rep):
     tw = node.config.pluginmanager.getplugin("terminalreporter")._tw
     tw.line()
 
-    captured_stdout = rep.capstdout
-    if len(captured_stdout) > 0:
-        tw.sep(">", "captured stdout")
-        tw.line(captured_stdout)
-
-    captured_stderr = rep.capstderr
-    if len(captured_stderr) > 0:
-        tw.sep(">", "captured stderr")
-        tw.line(captured_stderr)
+    showcapture = node.config.option.showcapture
+
+    for sectionname, content in (('stdout', rep.capstdout),
+                                 ('stderr', rep.capstderr),
+                                 ('log', rep.caplog)):
+        if showcapture in (sectionname, 'all') and content:
+            tw.sep(">", "captured " + sectionname)
+            if content[-1:] == "\n":
+                content = content[:-1]
+            tw.line(content)
 
     tw.sep(">", "traceback")
     rep.toterminal(tw)

_pytest/terminal.py

@@ -44,9 +44,9 @@ def pytest_addoption(parser):
                      help="traceback print mode (auto/long/short/line/native/no).")
     group._addoption('--show-capture',
                      action="store", dest="showcapture",
-                     choices=['no', 'stdout', 'stderr', 'both'], default='both',
-                     help="Controls how captured stdout/stderr is shown on failed tests. "
-                          "Default is 'both'.")
+                     choices=['no', 'stdout', 'stderr', 'log', 'all'], default='all',
+                     help="Controls how captured stdout/stderr/log is shown on failed tests. "
+                          "Default is 'all'.")
     group._addoption('--fulltrace', '--full-trace',
                      action="store_true", default=False,
                      help="don't cut any tracebacks (default is to cut).")
@@ -630,12 +630,12 @@ def summary_errors(self):
 
     def _outrep_summary(self, rep):
         rep.toterminal(self._tw)
-        if self.config.option.showcapture == 'no':
+        showcapture = self.config.option.showcapture
+        if showcapture == 'no':
             return
         for secname, content in rep.sections:
-            if self.config.option.showcapture != 'both':
-                if not (self.config.option.showcapture in secname):
-                    continue
+            if showcapture != 'all' and showcapture not in secname:
+                continue
             self._tw.sep("-", secname)
             if content[-1:] == "\n":
                 content = content[:-1]

changelog/1478.feature

@@ -1 +1 @@
-New ``--show-capture`` command-line option that allows to specify how to display captured output when tests fail: ``no``, ``stdout``, ``stderr`` or ``both`` (the default).
+New ``--show-capture`` command-line option that allows to specify how to display captured output when tests fail: ``no``, ``stdout``, ``stderr``, ``log`` or ``all`` (the default).

changelog/3204.feature

@@ -0,0 +1 @@
+Captured logs are printed before entering pdb.

doc/en/logging.rst

@@ -50,26 +50,10 @@ These options can also be customized through ``pytest.ini`` file:
     log_format = %(asctime)s %(levelname)s %(message)s
     log_date_format = %Y-%m-%d %H:%M:%S
 
-Further it is possible to disable reporting logs on failed tests completely
-with::
+Further it is possible to disable reporting of captured content (stdout,
+stderr and logs) on failed tests completely with::
 
-    pytest --no-print-logs
-
-Or in the ``pytest.ini`` file:
-
-.. code-block:: ini
-
-  [pytest]
-  log_print = False
-
-
-Shows failed tests in the normal manner as no logs were captured::
-
-    ----------------------- Captured stdout call ----------------------
-    text going to stdout
-    ----------------------- Captured stderr call ----------------------
-    text going to stderr
-    ==================== 2 failed in 0.02 seconds =====================
+    pytest --show-capture=no
 
 
 caplog fixture

testing/test_pdb.py

@@ -187,6 +187,24 @@ def test_1():
         assert "captured stderr" not in output
         self.flush(child)
 
+    @pytest.mark.parametrize('showcapture', ['all', 'no', 'log'])
+    def test_pdb_print_captured_logs(self, testdir, showcapture):
+        p1 = testdir.makepyfile("""
+            def test_1():
+                import logging
+                logging.warn("get " + "rekt")
+                assert False
+        """)
+        child = testdir.spawn_pytest("--show-capture=%s --pdb %s" % (showcapture, p1))
+        if showcapture in ('all', 'log'):
+            child.expect("captured log")
+            child.expect("get rekt")
+        child.expect("(Pdb)")
+        child.sendeof()
+        rest = child.read().decode("utf8")
+        assert "1 failed" in rest
+        self.flush(child)
+
     def test_pdb_interaction_exception(self, testdir):
         p1 = testdir.makepyfile("""
             import pytest

testing/test_terminal.py

@@ -851,31 +851,47 @@ def pytest_report_header(config, startdir):
     def test_show_capture(self, testdir):
         testdir.makepyfile("""
             import sys
+            import logging
             def test_one():
                 sys.stdout.write('!This is stdout!')
                 sys.stderr.write('!This is stderr!')
+                logging.warning('!This is a warning log msg!')
                 assert False, 'Something failed'
         """)
 
         result = testdir.runpytest("--tb=short")
-        result.stdout.fnmatch_lines(["!This is stdout!"])
-        result.stdout.fnmatch_lines(["!This is stderr!"])
-
-        result = testdir.runpytest("--show-capture=both", "--tb=short")
-        result.stdout.fnmatch_lines(["!This is stdout!"])
-        result.stdout.fnmatch_lines(["!This is stderr!"])
-
-        result = testdir.runpytest("--show-capture=stdout", "--tb=short")
-        assert "!This is stderr!" not in result.stdout.str()
-        assert "!This is stdout!" in result.stdout.str()
-
-        result = testdir.runpytest("--show-capture=stderr", "--tb=short")
-        assert "!This is stdout!" not in result.stdout.str()
-        assert "!This is stderr!" in result.stdout.str()
-
-        result = testdir.runpytest("--show-capture=no", "--tb=short")
-        assert "!This is stdout!" not in result.stdout.str()
-        assert "!This is stderr!" not in result.stdout.str()
+        result.stdout.fnmatch_lines(["!This is stdout!",
+                                     "!This is stderr!",
+                                     "*WARNING*!This is a warning log msg!"])
+
+        result = testdir.runpytest("--show-capture=all", "--tb=short")
+        result.stdout.fnmatch_lines(["!This is stdout!",
+                                     "!This is stderr!",
+                                     "*WARNING*!This is a warning log msg!"])
+
+        stdout = testdir.runpytest(
+            "--show-capture=stdout", "--tb=short").stdout.str()
+        assert "!This is stderr!" not in stdout
+        assert "!This is stdout!" in stdout
+        assert "!This is a warning log msg!" not in stdout
+
+        stdout = testdir.runpytest(
+            "--show-capture=stderr", "--tb=short").stdout.str()
+        assert "!This is stdout!" not in stdout
+        assert "!This is stderr!" in stdout
+        assert "!This is a warning log msg!" not in stdout
+
+        stdout = testdir.runpytest(
+            "--show-capture=log", "--tb=short").stdout.str()
+        assert "!This is stdout!" not in stdout
+        assert "!This is stderr!" not in stdout
+        assert "!This is a warning log msg!" in stdout
+
+        stdout = testdir.runpytest(
+            "--show-capture=no", "--tb=short").stdout.str()
+        assert "!This is stdout!" not in stdout
+        assert "!This is stderr!" not in stdout
+        assert "!This is a warning log msg!" not in stdout
 
 
 @pytest.mark.xfail("not hasattr(os, 'dup')")