Github bug reviver

For everyone's joy, this is a tool that reopens issues that
have been closed, but are still referenced by TODOs in the
code. The idea is to run it in Kokoro nightly. Kokoro changes
are coming up next.

PiperOrigin-RevId: 288789560

1 files changed, 88 insertions, 0 deletions

diff --git a/tools/issue_reviver/reviver/reviver_test.go b/tools/issue_reviver/reviver/reviver_test.go
new file mode 100644
index 000000000..a9fb1f9f1
--- /dev/null
+++ b/tools/issue_reviver/reviver/reviver_test.go
@@ -0,0 +1,88 @@
+// Copyright 2019 The gVisor Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package reviver
+
+import (
+	"testing"
+)
+
+func TestProcessLine(t *testing.T) {
+	for _, tc := range []struct {
+		line string
+		want *Todo
+	}{
+		{
+			line: "// TODO(foobar.com/issue/123): comment, bla. blabla.",
+			want: &Todo{
+				Issue: "foobar.com/issue/123",
+				Locations: []Location{
+					{Comment: "comment, bla. blabla."},
+				},
+			},
+		},
+		{
+			line: "// FIXME(b/123): internal bug",
+			want: &Todo{
+				Issue: "b/123",
+				Locations: []Location{
+					{Comment: "internal bug"},
+				},
+			},
+		},
+		{
+			line: "TODO(issue): not todo",
+		},
+		{
+			line: "FIXME(issue): not todo",
+		},
+		{
+			line: "// TODO (issue): not todo",
+		},
+		{
+			line: "// TODO(issue) not todo",
+		},
+		{
+			line: "// todo(issue): not todo",
+		},
+		{
+			line: "// TODO(issue):",
+		},
+	} {
+		t.Logf("Testing: %s", tc.line)
+		r := Reviver{}
+		got := r.processLine(tc.line, "test", 0)
+		if got == nil {
+			if tc.want != nil {
+				t.Errorf("failed to process line, want: %+v", tc.want)
+			}
+		} else {
+			if tc.want == nil {
+				t.Errorf("expected error, got: %+v", got)
+				continue
+			}
+			if got.Issue != tc.want.Issue {
+				t.Errorf("wrong issue, got: %v, want: %v", got.Issue, tc.want.Issue)
+			}
+			if len(got.Locations) != len(tc.want.Locations) {
+				t.Errorf("wrong number of locations, got: %v, want: %v, locations: %+v", len(got.Locations), len(tc.want.Locations), got.Locations)
+			}
+			for i, wantLoc := range tc.want.Locations {
+				if got.Locations[i].Comment != wantLoc.Comment {
+					t.Errorf("wrong comment, got: %v, want: %v", got.Locations[i].Comment, wantLoc.Comment)
+				}
+			}
+		}
+	}
+}