Adding Simulation API

policy/simulated/context.go

@@ -0,0 +1,65 @@
+// Copyright 2018 Palantir Technologies, Inc.
+//
+// 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 simulated
+
+import (
+	"context"
+
+	"github.com/palantir/policy-bot/pull"
+)
+
+type Context struct {
+	pull.Context
+	ctx     context.Context
+	options Options
+}
+
+func NewContext(ctx context.Context, pullContext pull.Context, options Options) *Context {
+	return &Context{Context: pullContext, options: options}
+}
+
+func (c *Context) Comments() ([]*pull.Comment, error) {
+	comments, err := c.Context.Comments()
+	if err != nil {
+		return nil, err
+	}
+
+	comments, err = c.options.filterIgnoredComments(c.ctx, c.Context, comments)
+	if err != nil {
+		return nil, err
+	}
+
+	comments = c.options.addApprovalComment(comments)
+	return comments, nil
+}
+
+func (c *Context) Reviews() ([]*pull.Review, error) {
+	reviews, err := c.Context.Reviews()
+	if err != nil {
+		return nil, err
+	}
+
+	reviews, err = c.options.filterIgnoredReviews(c.ctx, c.Context, reviews)
+	if err != nil {
+		return nil, err
+	}
+
+	reviews = c.options.addApprovalReview(reviews)
+	return reviews, nil
+}
+
+func (c *Context) Branches() (string, string) {
+	return c.options.branches(c.Context.Branches())
+}