Index: tools/telemetry/third_party/coverage/tests/test_data.py |
diff --git a/tools/telemetry/third_party/coverage/tests/test_data.py b/tools/telemetry/third_party/coverage/tests/test_data.py |
new file mode 100644 |
index 0000000000000000000000000000000000000000..b38827264aba3c27b504676bf69c1ec5727b35da |
--- /dev/null |
+++ b/tools/telemetry/third_party/coverage/tests/test_data.py |
@@ -0,0 +1,791 @@ |
+# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0 |
+# For details: https://bitbucket.org/ned/coveragepy/src/default/NOTICE.txt |
+ |
+"""Tests for coverage.data""" |
+ |
+import glob |
+import json |
+import os |
+import os.path |
+import re |
+ |
+import mock |
+ |
+from coverage.backward import StringIO |
+from coverage.data import CoverageData, CoverageDataFiles, debug_main, canonicalize_json_data |
+from coverage.files import PathAliases, canonical_filename |
+from coverage.misc import CoverageException |
+ |
+from tests.coveragetest import CoverageTest, DebugControlString |
+ |
+ |
+LINES_1 = { |
+ 'a.py': {1: None, 2: None}, |
+ 'b.py': {3: None}, |
+} |
+SUMMARY_1 = {'a.py': 2, 'b.py': 1} |
+MEASURED_FILES_1 = ['a.py', 'b.py'] |
+A_PY_LINES_1 = [1, 2] |
+B_PY_LINES_1 = [3] |
+ |
+LINES_2 = { |
+ 'a.py': {1: None, 5: None}, |
+ 'c.py': {17: None}, |
+} |
+SUMMARY_1_2 = {'a.py': 3, 'b.py': 1, 'c.py': 1} |
+MEASURED_FILES_1_2 = ['a.py', 'b.py', 'c.py'] |
+ |
+ARCS_3 = { |
+ 'x.py': { |
+ (-1, 1): None, |
+ (1, 2): None, |
+ (2, 3): None, |
+ (3, -1): None, |
+ }, |
+ 'y.py': { |
+ (-1, 17): None, |
+ (17, 23): None, |
+ (23, -1): None, |
+ }, |
+} |
+X_PY_ARCS_3 = [(-1, 1), (1, 2), (2, 3), (3, -1)] |
+Y_PY_ARCS_3 = [(-1, 17), (17, 23), (23, -1)] |
+SUMMARY_3 = {'x.py': 3, 'y.py': 2} |
+MEASURED_FILES_3 = ['x.py', 'y.py'] |
+X_PY_LINES_3 = [1, 2, 3] |
+Y_PY_LINES_3 = [17, 23] |
+ |
+ARCS_4 = { |
+ 'x.py': { |
+ (-1, 2): None, |
+ (2, 5): None, |
+ (5, -1): None, |
+ }, |
+ 'z.py': { |
+ (-1, 1000): None, |
+ (1000, -1): None, |
+ }, |
+} |
+SUMMARY_3_4 = {'x.py': 5, 'y.py': 2, 'z.py': 1} |
+MEASURED_FILES_3_4 = ['x.py', 'y.py', 'z.py'] |
+ |
+ |
+class DataTestHelpers(CoverageTest): |
+ """Test helpers for data tests.""" |
+ |
+ def assert_line_counts(self, covdata, line_counts, fullpath=False): |
+ """Check that the line_counts of `covdata` is `line_counts`.""" |
+ self.assertEqual(covdata.line_counts(fullpath), line_counts) |
+ |
+ def assert_measured_files(self, covdata, measured): |
+ """Check that `covdata`'s measured files are `measured`.""" |
+ self.assertCountEqual(covdata.measured_files(), measured) |
+ |
+ def assert_lines1_data(self, covdata): |
+ """Check that `covdata` has the data from LINES1.""" |
+ self.assert_line_counts(covdata, SUMMARY_1) |
+ self.assert_measured_files(covdata, MEASURED_FILES_1) |
+ self.assertCountEqual(covdata.lines("a.py"), A_PY_LINES_1) |
+ self.assertEqual(covdata.run_infos(), []) |
+ self.assertFalse(covdata.has_arcs()) |
+ |
+ def assert_arcs3_data(self, covdata): |
+ """Check that `covdata` has the data from ARCS3.""" |
+ self.assert_line_counts(covdata, SUMMARY_3) |
+ self.assert_measured_files(covdata, MEASURED_FILES_3) |
+ self.assertCountEqual(covdata.lines("x.py"), X_PY_LINES_3) |
+ self.assertCountEqual(covdata.arcs("x.py"), X_PY_ARCS_3) |
+ self.assertCountEqual(covdata.lines("y.py"), Y_PY_LINES_3) |
+ self.assertCountEqual(covdata.arcs("y.py"), Y_PY_ARCS_3) |
+ self.assertTrue(covdata.has_arcs()) |
+ self.assertEqual(covdata.run_infos(), []) |
+ |
+ |
+class CoverageDataTest(DataTestHelpers, CoverageTest): |
+ """Test cases for CoverageData.""" |
+ |
+ run_in_temp_dir = False |
+ |
+ def test_empty_data_is_false(self): |
+ covdata = CoverageData() |
+ self.assertFalse(covdata) |
+ |
+ def test_line_data_is_true(self): |
+ covdata = CoverageData() |
+ covdata.add_lines(LINES_1) |
+ self.assertTrue(covdata) |
+ |
+ def test_arc_data_is_true(self): |
+ covdata = CoverageData() |
+ covdata.add_arcs(ARCS_3) |
+ self.assertTrue(covdata) |
+ |
+ def test_empty_line_data_is_false(self): |
+ covdata = CoverageData() |
+ covdata.add_lines({}) |
+ self.assertFalse(covdata) |
+ |
+ def test_empty_arc_data_is_false(self): |
+ covdata = CoverageData() |
+ covdata.add_arcs({}) |
+ self.assertFalse(covdata) |
+ |
+ def test_adding_lines(self): |
+ covdata = CoverageData() |
+ covdata.add_lines(LINES_1) |
+ self.assert_lines1_data(covdata) |
+ |
+ def test_adding_arcs(self): |
+ covdata = CoverageData() |
+ covdata.add_arcs(ARCS_3) |
+ self.assert_arcs3_data(covdata) |
+ |
+ def test_ok_to_add_lines_twice(self): |
+ covdata = CoverageData() |
+ covdata.add_lines(LINES_1) |
+ covdata.add_lines(LINES_2) |
+ self.assert_line_counts(covdata, SUMMARY_1_2) |
+ self.assert_measured_files(covdata, MEASURED_FILES_1_2) |
+ |
+ def test_ok_to_add_arcs_twice(self): |
+ covdata = CoverageData() |
+ covdata.add_arcs(ARCS_3) |
+ covdata.add_arcs(ARCS_4) |
+ self.assert_line_counts(covdata, SUMMARY_3_4) |
+ self.assert_measured_files(covdata, MEASURED_FILES_3_4) |
+ |
+ def test_cant_add_arcs_with_lines(self): |
+ covdata = CoverageData() |
+ covdata.add_lines(LINES_1) |
+ with self.assertRaisesRegex(CoverageException, "Can't add arcs to existing line data"): |
+ covdata.add_arcs(ARCS_3) |
+ |
+ def test_cant_add_lines_with_arcs(self): |
+ covdata = CoverageData() |
+ covdata.add_arcs(ARCS_3) |
+ with self.assertRaisesRegex(CoverageException, "Can't add lines to existing arc data"): |
+ covdata.add_lines(LINES_1) |
+ |
+ def test_touch_file_with_lines(self): |
+ covdata = CoverageData() |
+ covdata.add_lines(LINES_1) |
+ covdata.touch_file('zzz.py') |
+ self.assert_measured_files(covdata, MEASURED_FILES_1 + ['zzz.py']) |
+ |
+ def test_touch_file_with_arcs(self): |
+ covdata = CoverageData() |
+ covdata.add_arcs(ARCS_3) |
+ covdata.touch_file('zzz.py') |
+ self.assert_measured_files(covdata, MEASURED_FILES_3 + ['zzz.py']) |
+ |
+ def test_no_lines_vs_unmeasured_file(self): |
+ covdata = CoverageData() |
+ covdata.add_lines(LINES_1) |
+ covdata.touch_file('zzz.py') |
+ self.assertEqual(covdata.lines('zzz.py'), []) |
+ self.assertIsNone(covdata.lines('no_such_file.py')) |
+ |
+ def test_run_info(self): |
+ covdata = CoverageData() |
+ self.assertEqual(covdata.run_infos(), []) |
+ covdata.add_run_info(hello="there") |
+ self.assertEqual(covdata.run_infos(), [{"hello": "there"}]) |
+ covdata.add_run_info(count=17) |
+ self.assertEqual(covdata.run_infos(), [{"hello": "there", "count": 17}]) |
+ |
+ def test_no_arcs_vs_unmeasured_file(self): |
+ covdata = CoverageData() |
+ covdata.add_arcs(ARCS_3) |
+ covdata.touch_file('zzz.py') |
+ self.assertEqual(covdata.lines('zzz.py'), []) |
+ self.assertIsNone(covdata.lines('no_such_file.py')) |
+ self.assertEqual(covdata.arcs('zzz.py'), []) |
+ self.assertIsNone(covdata.arcs('no_such_file.py')) |
+ |
+ def test_file_tracer_name(self): |
+ covdata = CoverageData() |
+ covdata.add_lines({ |
+ "p1.foo": dict.fromkeys([1, 2, 3]), |
+ "p2.html": dict.fromkeys([10, 11, 12]), |
+ "main.py": dict.fromkeys([20]), |
+ }) |
+ covdata.add_file_tracers({"p1.foo": "p1.plugin", "p2.html": "p2.plugin"}) |
+ self.assertEqual(covdata.file_tracer("p1.foo"), "p1.plugin") |
+ self.assertEqual(covdata.file_tracer("main.py"), "") |
+ self.assertIsNone(covdata.file_tracer("p3.not_here")) |
+ |
+ def test_cant_file_tracer_unmeasured_files(self): |
+ covdata = CoverageData() |
+ msg = "Can't add file tracer data for unmeasured file 'p1.foo'" |
+ with self.assertRaisesRegex(CoverageException, msg): |
+ covdata.add_file_tracers({"p1.foo": "p1.plugin"}) |
+ |
+ covdata.add_lines({"p2.html": dict.fromkeys([10, 11, 12])}) |
+ with self.assertRaisesRegex(CoverageException, msg): |
+ covdata.add_file_tracers({"p1.foo": "p1.plugin"}) |
+ |
+ def test_cant_change_file_tracer_name(self): |
+ covdata = CoverageData() |
+ covdata.add_lines({"p1.foo": dict.fromkeys([1, 2, 3])}) |
+ covdata.add_file_tracers({"p1.foo": "p1.plugin"}) |
+ |
+ msg = "Conflicting file tracer name for 'p1.foo': 'p1.plugin' vs 'p1.plugin.foo'" |
+ with self.assertRaisesRegex(CoverageException, msg): |
+ covdata.add_file_tracers({"p1.foo": "p1.plugin.foo"}) |
+ |
+ def test_update_lines(self): |
+ covdata1 = CoverageData() |
+ covdata1.add_lines(LINES_1) |
+ |
+ covdata2 = CoverageData() |
+ covdata2.add_lines(LINES_2) |
+ |
+ covdata3 = CoverageData() |
+ covdata3.update(covdata1) |
+ covdata3.update(covdata2) |
+ |
+ self.assert_line_counts(covdata3, SUMMARY_1_2) |
+ self.assert_measured_files(covdata3, MEASURED_FILES_1_2) |
+ self.assertEqual(covdata3.run_infos(), []) |
+ |
+ def test_update_arcs(self): |
+ covdata1 = CoverageData() |
+ covdata1.add_arcs(ARCS_3) |
+ |
+ covdata2 = CoverageData() |
+ covdata2.add_arcs(ARCS_4) |
+ |
+ covdata3 = CoverageData() |
+ covdata3.update(covdata1) |
+ covdata3.update(covdata2) |
+ |
+ self.assert_line_counts(covdata3, SUMMARY_3_4) |
+ self.assert_measured_files(covdata3, MEASURED_FILES_3_4) |
+ self.assertEqual(covdata3.run_infos(), []) |
+ |
+ def test_update_run_info(self): |
+ covdata1 = CoverageData() |
+ covdata1.add_arcs(ARCS_3) |
+ covdata1.add_run_info(hello="there", count=17) |
+ |
+ covdata2 = CoverageData() |
+ covdata2.add_arcs(ARCS_4) |
+ covdata2.add_run_info(hello="goodbye", count=23) |
+ |
+ covdata3 = CoverageData() |
+ covdata3.update(covdata1) |
+ covdata3.update(covdata2) |
+ |
+ self.assertEqual(covdata3.run_infos(), [ |
+ {'hello': 'there', 'count': 17}, |
+ {'hello': 'goodbye', 'count': 23}, |
+ ]) |
+ |
+ def test_update_cant_mix_lines_and_arcs(self): |
+ covdata1 = CoverageData() |
+ covdata1.add_lines(LINES_1) |
+ |
+ covdata2 = CoverageData() |
+ covdata2.add_arcs(ARCS_3) |
+ |
+ with self.assertRaisesRegex(CoverageException, "Can't combine arc data with line data"): |
+ covdata1.update(covdata2) |
+ |
+ with self.assertRaisesRegex(CoverageException, "Can't combine line data with arc data"): |
+ covdata2.update(covdata1) |
+ |
+ def test_update_file_tracers(self): |
+ covdata1 = CoverageData() |
+ covdata1.add_lines({ |
+ "p1.html": dict.fromkeys([1, 2, 3, 4]), |
+ "p2.html": dict.fromkeys([5, 6, 7]), |
+ "main.py": dict.fromkeys([10, 11, 12]), |
+ }) |
+ covdata1.add_file_tracers({ |
+ "p1.html": "html.plugin", |
+ "p2.html": "html.plugin2", |
+ }) |
+ |
+ covdata2 = CoverageData() |
+ covdata2.add_lines({ |
+ "p1.html": dict.fromkeys([3, 4, 5, 6]), |
+ "p2.html": dict.fromkeys([7, 8, 9]), |
+ "p3.foo": dict.fromkeys([1000, 1001]), |
+ "main.py": dict.fromkeys([10, 11, 12]), |
+ }) |
+ covdata2.add_file_tracers({ |
+ "p1.html": "html.plugin", |
+ "p2.html": "html.plugin2", |
+ "p3.foo": "foo_plugin", |
+ }) |
+ |
+ covdata3 = CoverageData() |
+ covdata3.update(covdata1) |
+ covdata3.update(covdata2) |
+ self.assertEqual(covdata3.file_tracer("p1.html"), "html.plugin") |
+ self.assertEqual(covdata3.file_tracer("p2.html"), "html.plugin2") |
+ self.assertEqual(covdata3.file_tracer("p3.foo"), "foo_plugin") |
+ self.assertEqual(covdata3.file_tracer("main.py"), "") |
+ |
+ def test_update_conflicting_file_tracers(self): |
+ covdata1 = CoverageData() |
+ covdata1.add_lines({"p1.html": dict.fromkeys([1, 2, 3])}) |
+ covdata1.add_file_tracers({"p1.html": "html.plugin"}) |
+ |
+ covdata2 = CoverageData() |
+ covdata2.add_lines({"p1.html": dict.fromkeys([1, 2, 3])}) |
+ covdata2.add_file_tracers({"p1.html": "html.other_plugin"}) |
+ |
+ msg = "Conflicting file tracer name for 'p1.html': 'html.plugin' vs 'html.other_plugin'" |
+ with self.assertRaisesRegex(CoverageException, msg): |
+ covdata1.update(covdata2) |
+ |
+ msg = "Conflicting file tracer name for 'p1.html': 'html.other_plugin' vs 'html.plugin'" |
+ with self.assertRaisesRegex(CoverageException, msg): |
+ covdata2.update(covdata1) |
+ |
+ def test_update_file_tracer_vs_no_file_tracer(self): |
+ covdata1 = CoverageData() |
+ covdata1.add_lines({"p1.html": dict.fromkeys([1, 2, 3])}) |
+ covdata1.add_file_tracers({"p1.html": "html.plugin"}) |
+ |
+ covdata2 = CoverageData() |
+ covdata2.add_lines({"p1.html": dict.fromkeys([1, 2, 3])}) |
+ |
+ msg = "Conflicting file tracer name for 'p1.html': 'html.plugin' vs ''" |
+ with self.assertRaisesRegex(CoverageException, msg): |
+ covdata1.update(covdata2) |
+ |
+ msg = "Conflicting file tracer name for 'p1.html': '' vs 'html.plugin'" |
+ with self.assertRaisesRegex(CoverageException, msg): |
+ covdata2.update(covdata1) |
+ |
+ def test_add_to_hash_with_lines(self): |
+ covdata = CoverageData() |
+ covdata.add_lines(LINES_1) |
+ hasher = mock.Mock() |
+ covdata.add_to_hash("a.py", hasher) |
+ self.assertEqual(hasher.method_calls, [ |
+ mock.call.update([1, 2]), # lines |
+ mock.call.update(""), # file_tracer name |
+ ]) |
+ |
+ def test_add_to_hash_with_arcs(self): |
+ covdata = CoverageData() |
+ covdata.add_arcs(ARCS_3) |
+ covdata.add_file_tracers({"y.py": "hologram_plugin"}) |
+ hasher = mock.Mock() |
+ covdata.add_to_hash("y.py", hasher) |
+ self.assertEqual(hasher.method_calls, [ |
+ mock.call.update([(-1, 17), (17, 23), (23, -1)]), # arcs |
+ mock.call.update("hologram_plugin"), # file_tracer name |
+ ]) |
+ |
+ def test_add_to_lines_hash_with_missing_file(self): |
+ # https://bitbucket.org/ned/coveragepy/issues/403 |
+ covdata = CoverageData() |
+ covdata.add_lines(LINES_1) |
+ hasher = mock.Mock() |
+ covdata.add_to_hash("missing.py", hasher) |
+ self.assertEqual(hasher.method_calls, [ |
+ mock.call.update([]), |
+ mock.call.update(None), |
+ ]) |
+ |
+ def test_add_to_arcs_hash_with_missing_file(self): |
+ # https://bitbucket.org/ned/coveragepy/issues/403 |
+ covdata = CoverageData() |
+ covdata.add_arcs(ARCS_3) |
+ covdata.add_file_tracers({"y.py": "hologram_plugin"}) |
+ hasher = mock.Mock() |
+ covdata.add_to_hash("missing.py", hasher) |
+ self.assertEqual(hasher.method_calls, [ |
+ mock.call.update([]), |
+ mock.call.update(None), |
+ ]) |
+ |
+ def test_empty_lines_are_still_lines(self): |
+ covdata = CoverageData() |
+ covdata.add_lines({}) |
+ covdata.touch_file("abc.py") |
+ self.assertFalse(covdata.has_arcs()) |
+ |
+ def test_empty_arcs_are_still_arcs(self): |
+ covdata = CoverageData() |
+ covdata.add_arcs({}) |
+ covdata.touch_file("abc.py") |
+ self.assertTrue(covdata.has_arcs()) |
+ |
+ def test_read_and_write_are_opposites(self): |
+ covdata1 = CoverageData() |
+ covdata1.add_arcs(ARCS_3) |
+ stringio = StringIO() |
+ covdata1.write_fileobj(stringio) |
+ |
+ stringio.seek(0) |
+ covdata2 = CoverageData() |
+ covdata2.read_fileobj(stringio) |
+ self.assert_arcs3_data(covdata2) |
+ |
+ |
+class CoverageDataTestInTempDir(DataTestHelpers, CoverageTest): |
+ """Tests of CoverageData that need a temporary directory to make files.""" |
+ |
+ def test_read_write_lines(self): |
+ covdata1 = CoverageData() |
+ covdata1.add_lines(LINES_1) |
+ covdata1.write_file("lines.dat") |
+ |
+ covdata2 = CoverageData() |
+ covdata2.read_file("lines.dat") |
+ self.assert_lines1_data(covdata2) |
+ |
+ def test_read_write_arcs(self): |
+ covdata1 = CoverageData() |
+ covdata1.add_arcs(ARCS_3) |
+ covdata1.write_file("arcs.dat") |
+ |
+ covdata2 = CoverageData() |
+ covdata2.read_file("arcs.dat") |
+ self.assert_arcs3_data(covdata2) |
+ |
+ def test_read_errors(self): |
+ covdata = CoverageData() |
+ |
+ msg = r"Couldn't read data from '{0}': \S+" |
+ self.make_file("xyzzy.dat", "xyzzy") |
+ with self.assertRaisesRegex(CoverageException, msg.format("xyzzy.dat")): |
+ covdata.read_file("xyzzy.dat") |
+ |
+ self.make_file("empty.dat", "") |
+ with self.assertRaisesRegex(CoverageException, msg.format("empty.dat")): |
+ covdata.read_file("empty.dat") |
+ |
+ with self.assertRaisesRegex(CoverageException, msg.format("nonexistent.dat")): |
+ covdata.read_file("nonexistent.dat") |
+ |
+ self.make_file("misleading.dat", CoverageData._GO_AWAY + " this isn't JSON") |
+ with self.assertRaisesRegex(CoverageException, msg.format("misleading.dat")): |
+ covdata.read_file("misleading.dat") |
+ |
+ # After all that, no data should be in our CoverageData. |
+ self.assertFalse(covdata) |
+ |
+ def test_debug_main(self): |
+ covdata1 = CoverageData() |
+ covdata1.add_lines(LINES_1) |
+ covdata1.write_file(".coverage") |
+ debug_main([]) |
+ |
+ covdata2 = CoverageData() |
+ covdata2.add_arcs(ARCS_3) |
+ covdata2.add_file_tracers({"y.py": "magic_plugin"}) |
+ covdata2.add_run_info(version="v3.14", chunks=["z", "a"]) |
+ covdata2.write_file("arcs.dat") |
+ |
+ covdata3 = CoverageData() |
+ covdata3.write_file("empty.dat") |
+ debug_main(["arcs.dat", "empty.dat"]) |
+ |
+ expected = { |
+ ".coverage": { |
+ "lines": { |
+ "a.py": [1, 2], |
+ "b.py": [3], |
+ }, |
+ }, |
+ "arcs.dat": { |
+ "arcs": { |
+ "x.py": [[-1, 1], [1, 2], [2, 3], [3, -1]], |
+ "y.py": [[-1, 17], [17, 23], [23, -1]], |
+ }, |
+ "file_tracers": {"y.py": "magic_plugin"}, |
+ "runs": [ |
+ { |
+ "chunks": ["z", "a"], |
+ "version": "v3.14", |
+ }, |
+ ], |
+ }, |
+ "empty.dat": {}, |
+ } |
+ pieces = re.split(r"(?m)-+ ([\w.]+) -+$", self.stdout()) |
+ for name, json_out in zip(pieces[1::2], pieces[2::2]): |
+ json_got = json.loads(json_out) |
+ canonicalize_json_data(json_got) |
+ self.assertEqual(expected[name], json_got) |
+ |
+ |
+class CoverageDataFilesTest(DataTestHelpers, CoverageTest): |
+ """Tests of CoverageDataFiles.""" |
+ |
+ no_files_in_temp_dir = True |
+ |
+ def setUp(self): |
+ super(CoverageDataFilesTest, self).setUp() |
+ self.data_files = CoverageDataFiles() |
+ |
+ def test_reading_missing(self): |
+ self.assert_doesnt_exist(".coverage") |
+ covdata = CoverageData() |
+ self.data_files.read(covdata) |
+ self.assert_line_counts(covdata, {}) |
+ |
+ def test_writing_and_reading(self): |
+ covdata1 = CoverageData() |
+ covdata1.add_lines(LINES_1) |
+ self.data_files.write(covdata1) |
+ |
+ covdata2 = CoverageData() |
+ self.data_files.read(covdata2) |
+ self.assert_line_counts(covdata2, SUMMARY_1) |
+ |
+ def test_debug_output_with_debug_option(self): |
+ # With debug option dataio, we get debug output about reading and |
+ # writing files. |
+ debug = DebugControlString(options=["dataio"]) |
+ covdata1 = CoverageData(debug=debug) |
+ covdata1.add_lines(LINES_1) |
+ self.data_files.write(covdata1) |
+ |
+ covdata2 = CoverageData(debug=debug) |
+ self.data_files.read(covdata2) |
+ self.assert_line_counts(covdata2, SUMMARY_1) |
+ |
+ self.assertRegex( |
+ debug.get_output(), |
+ r"^Writing data to '.*\.coverage'\n" |
+ r"Reading data from '.*\.coverage'\n$" |
+ ) |
+ |
+ def test_debug_output_without_debug_option(self): |
+ # With a debug object, but not the dataio option, we don't get debug |
+ # output. |
+ debug = DebugControlString(options=[]) |
+ covdata1 = CoverageData(debug=debug) |
+ covdata1.add_lines(LINES_1) |
+ self.data_files.write(covdata1) |
+ |
+ covdata2 = CoverageData(debug=debug) |
+ self.data_files.read(covdata2) |
+ self.assert_line_counts(covdata2, SUMMARY_1) |
+ |
+ self.assertEqual(debug.get_output(), "") |
+ |
+ def test_explicit_suffix(self): |
+ self.assert_doesnt_exist(".coverage.SUFFIX") |
+ covdata = CoverageData() |
+ covdata.add_lines(LINES_1) |
+ self.data_files.write(covdata, suffix='SUFFIX') |
+ self.assert_exists(".coverage.SUFFIX") |
+ self.assert_doesnt_exist(".coverage") |
+ |
+ def test_true_suffix(self): |
+ self.assertEqual(glob.glob(".coverage.*"), []) |
+ |
+ # suffix=True will make a randomly named data file. |
+ covdata1 = CoverageData() |
+ covdata1.add_lines(LINES_1) |
+ self.data_files.write(covdata1, suffix=True) |
+ self.assert_doesnt_exist(".coverage") |
+ data_files1 = glob.glob(".coverage.*") |
+ self.assertEqual(len(data_files1), 1) |
+ |
+ # Another suffix=True will choose a different name. |
+ covdata2 = CoverageData() |
+ covdata2.add_lines(LINES_1) |
+ self.data_files.write(covdata2, suffix=True) |
+ self.assert_doesnt_exist(".coverage") |
+ data_files2 = glob.glob(".coverage.*") |
+ self.assertEqual(len(data_files2), 2) |
+ |
+ # In addition to being different, the suffixes have the pid in them. |
+ self.assertTrue(all(str(os.getpid()) in fn for fn in data_files2)) |
+ |
+ def test_combining(self): |
+ self.assert_doesnt_exist(".coverage.1") |
+ self.assert_doesnt_exist(".coverage.2") |
+ |
+ covdata1 = CoverageData() |
+ covdata1.add_lines(LINES_1) |
+ self.data_files.write(covdata1, suffix='1') |
+ self.assert_exists(".coverage.1") |
+ self.assert_doesnt_exist(".coverage.2") |
+ |
+ covdata2 = CoverageData() |
+ covdata2.add_lines(LINES_2) |
+ self.data_files.write(covdata2, suffix='2') |
+ self.assert_exists(".coverage.2") |
+ |
+ covdata3 = CoverageData() |
+ self.data_files.combine_parallel_data(covdata3) |
+ self.assert_line_counts(covdata3, SUMMARY_1_2) |
+ self.assert_measured_files(covdata3, MEASURED_FILES_1_2) |
+ self.assert_doesnt_exist(".coverage.1") |
+ self.assert_doesnt_exist(".coverage.2") |
+ |
+ def test_erasing(self): |
+ covdata1 = CoverageData() |
+ covdata1.add_lines(LINES_1) |
+ self.data_files.write(covdata1) |
+ |
+ covdata1.erase() |
+ self.assert_line_counts(covdata1, {}) |
+ |
+ self.data_files.erase() |
+ covdata2 = CoverageData() |
+ self.data_files.read(covdata2) |
+ self.assert_line_counts(covdata2, {}) |
+ |
+ def test_erasing_parallel(self): |
+ self.make_file("datafile.1") |
+ self.make_file("datafile.2") |
+ self.make_file(".coverage") |
+ data_files = CoverageDataFiles("datafile") |
+ data_files.erase(parallel=True) |
+ self.assert_doesnt_exist("datafile.1") |
+ self.assert_doesnt_exist("datafile.2") |
+ self.assert_exists(".coverage") |
+ |
+ def read_json_data_file(self, fname): |
+ """Read a JSON data file for testing the JSON directly.""" |
+ with open(fname, 'r') as fdata: |
+ go_away = fdata.read(len(CoverageData._GO_AWAY)) |
+ self.assertEqual(go_away, CoverageData._GO_AWAY) |
+ return json.load(fdata) |
+ |
+ def test_file_format(self): |
+ # Write with CoverageData, then read the JSON explicitly. |
+ covdata = CoverageData() |
+ covdata.add_lines(LINES_1) |
+ self.data_files.write(covdata) |
+ |
+ data = self.read_json_data_file(".coverage") |
+ |
+ lines = data['lines'] |
+ self.assertCountEqual(lines.keys(), MEASURED_FILES_1) |
+ self.assertCountEqual(lines['a.py'], A_PY_LINES_1) |
+ self.assertCountEqual(lines['b.py'], B_PY_LINES_1) |
+ # If not measuring branches, there's no arcs entry. |
+ self.assertNotIn('arcs', data) |
+ # If no file tracers were involved, there's no file_tracers entry. |
+ self.assertNotIn('file_tracers', data) |
+ |
+ def test_file_format_with_arcs(self): |
+ # Write with CoverageData, then read the JSON explicitly. |
+ covdata = CoverageData() |
+ covdata.add_arcs(ARCS_3) |
+ self.data_files.write(covdata) |
+ |
+ data = self.read_json_data_file(".coverage") |
+ |
+ self.assertNotIn('lines', data) |
+ arcs = data['arcs'] |
+ self.assertCountEqual(arcs.keys(), MEASURED_FILES_3) |
+ self.assertCountEqual(arcs['x.py'], map(list, X_PY_ARCS_3)) |
+ self.assertCountEqual(arcs['y.py'], map(list, Y_PY_ARCS_3)) |
+ # If no file tracers were involved, there's no file_tracers entry. |
+ self.assertNotIn('file_tracers', data) |
+ |
+ def test_writing_to_other_file(self): |
+ data_files = CoverageDataFiles(".otherfile") |
+ covdata = CoverageData() |
+ covdata.add_lines(LINES_1) |
+ data_files.write(covdata) |
+ self.assert_doesnt_exist(".coverage") |
+ self.assert_exists(".otherfile") |
+ |
+ data_files.write(covdata, suffix="extra") |
+ self.assert_exists(".otherfile.extra") |
+ self.assert_doesnt_exist(".coverage") |
+ |
+ def test_combining_with_aliases(self): |
+ covdata1 = CoverageData() |
+ covdata1.add_lines({ |
+ '/home/ned/proj/src/a.py': {1: None, 2: None}, |
+ '/home/ned/proj/src/sub/b.py': {3: None}, |
+ '/home/ned/proj/src/template.html': {10: None}, |
+ }) |
+ covdata1.add_file_tracers({ |
+ '/home/ned/proj/src/template.html': 'html.plugin', |
+ }) |
+ self.data_files.write(covdata1, suffix='1') |
+ |
+ covdata2 = CoverageData() |
+ covdata2.add_lines({ |
+ r'c:\ned\test\a.py': {4: None, 5: None}, |
+ r'c:\ned\test\sub\b.py': {3: None, 6: None}, |
+ }) |
+ self.data_files.write(covdata2, suffix='2') |
+ |
+ covdata3 = CoverageData() |
+ aliases = PathAliases() |
+ aliases.add("/home/ned/proj/src/", "./") |
+ aliases.add(r"c:\ned\test", "./") |
+ self.data_files.combine_parallel_data(covdata3, aliases=aliases) |
+ |
+ apy = canonical_filename('./a.py') |
+ sub_bpy = canonical_filename('./sub/b.py') |
+ template_html = canonical_filename('./template.html') |
+ |
+ self.assert_line_counts(covdata3, {apy: 4, sub_bpy: 2, template_html: 1}, fullpath=True) |
+ self.assert_measured_files(covdata3, [apy, sub_bpy, template_html]) |
+ self.assertEqual(covdata3.file_tracer(template_html), 'html.plugin') |
+ |
+ def test_combining_from_different_directories(self): |
+ covdata1 = CoverageData() |
+ covdata1.add_lines(LINES_1) |
+ os.makedirs('cov1') |
+ covdata1.write_file('cov1/.coverage.1') |
+ |
+ covdata2 = CoverageData() |
+ covdata2.add_lines(LINES_2) |
+ os.makedirs('cov2') |
+ covdata2.write_file('cov2/.coverage.2') |
+ |
+ # This data won't be included. |
+ covdata_xxx = CoverageData() |
+ covdata_xxx.add_arcs(ARCS_3) |
+ covdata_xxx.write_file('.coverage.xxx') |
+ |
+ covdata3 = CoverageData() |
+ self.data_files.combine_parallel_data(covdata3, data_paths=['cov1', 'cov2']) |
+ |
+ self.assert_line_counts(covdata3, SUMMARY_1_2) |
+ self.assert_measured_files(covdata3, MEASURED_FILES_1_2) |
+ self.assert_doesnt_exist("cov1/.coverage.1") |
+ self.assert_doesnt_exist("cov2/.coverage.2") |
+ self.assert_exists(".coverage.xxx") |
+ |
+ def test_combining_from_files(self): |
+ covdata1 = CoverageData() |
+ covdata1.add_lines(LINES_1) |
+ os.makedirs('cov1') |
+ covdata1.write_file('cov1/.coverage.1') |
+ |
+ covdata2 = CoverageData() |
+ covdata2.add_lines(LINES_2) |
+ os.makedirs('cov2') |
+ covdata2.write_file('cov2/.coverage.2') |
+ |
+ # This data won't be included. |
+ covdata_xxx = CoverageData() |
+ covdata_xxx.add_arcs(ARCS_3) |
+ covdata_xxx.write_file('.coverage.xxx') |
+ covdata_xxx.write_file('cov2/.coverage.xxx') |
+ |
+ covdata3 = CoverageData() |
+ self.data_files.combine_parallel_data(covdata3, data_paths=['cov1', 'cov2/.coverage.2']) |
+ |
+ self.assert_line_counts(covdata3, SUMMARY_1_2) |
+ self.assert_measured_files(covdata3, MEASURED_FILES_1_2) |
+ self.assert_doesnt_exist("cov1/.coverage.1") |
+ self.assert_doesnt_exist("cov2/.coverage.2") |
+ self.assert_exists(".coverage.xxx") |
+ self.assert_exists("cov2/.coverage.xxx") |
+ |
+ def test_combining_from_nonexistent_directories(self): |
+ covdata = CoverageData() |
+ msg = "Couldn't combine from non-existent path 'xyzzy'" |
+ with self.assertRaisesRegex(CoverageException, msg): |
+ self.data_files.combine_parallel_data(covdata, data_paths=['xyzzy']) |