Add longreprtext property to TestReport objects

Related to #1790

_pytest/runner.py

@@ -211,6 +211,20 @@ class BaseReport(object):
             if name.startswith(prefix):
                 yield prefix, content
 
+    @property
+    def longreprtext(self):
+        """
+        Read-only property that returns the full string representation
+        of ``longrepr``.
+
+        .. versionadded:: 3.0
+        """
+        tw = py.io.TerminalWriter(stringio=True)
+        tw.hasmarkup = False
+        self.toterminal(tw)
+        exc = tw.stringio.getvalue()
+        return exc.strip()
+
     passed = property(lambda x: x.outcome == "passed")
     failed = property(lambda x: x.outcome == "failed")
     skipped = property(lambda x: x.outcome == "skipped")

doc/en/writing_plugins.rst

@@ -632,6 +632,7 @@ Reference of objects involved in hooks
 
 .. autoclass:: _pytest.runner.TestReport()
     :members:
+    :inherited-members:
 
 .. autoclass:: _pytest.vendored_packages.pluggy._CallOutcome()
     :members:

testing/test_runner.py

@@ -668,3 +668,29 @@ def test_store_except_info_on_eror():
     assert sys.last_type is IndexError
     assert sys.last_value.args[0] == 'TEST'
     assert sys.last_traceback
+
+
+class TestReportContents:
+    """
+    Test ``longreprtext`` property of TestReport objects.
+    """
+
+    def test_pass(self, testdir):
+        reports = testdir.runitem("""
+            def test_func():
+                pass
+        """)
+        rep = reports[1]
+        assert rep.longreprtext == ''
+
+    def test_failure(self, testdir):
+        reports = testdir.runitem("""
+            def test_func():
+                x = 1
+                assert x == 4
+        """)
+        rep = reports[1]
+        assert 'assert 1 == 4' in rep.longreprtext
+
+    def getrunner(self):
+        return lambda item: runner.runtestprotocol(item, log=False)