add spec for Ajax::CommentController
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# coding: utf-8
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# frozen_string_literal: true
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require "rails_helper"
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describe Ajax::CommentController, type: :controller do
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shared_examples "returns the expected response" do
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it "returns the expected response" do
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expect(JSON.parse(subject.body)).to match(expected_response)
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end
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end
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let(:user) { FactoryBot.create(:user) }
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let(:answer) { FactoryBot.create(:answer, user: FactoryBot.create(:user)) }
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describe "#create" do
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let(:params) do
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{
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answer: answer_id,
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comment: comment
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}.compact
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end
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subject { post(:create, params: params) }
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context "when user is signed in" do
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shared_examples "creates the comment" do
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it "creates a comment to the answer" do
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expect { subject }.to(change { Comment.count }.by(1))
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expect(answer.reload.comments.ids).to include(Comment.last.id)
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end
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include_examples "returns the expected response"
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end
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shared_examples "does not create the comment" do
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it "does not create a comment" do
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expect { subject }.not_to(change { Comment.count })
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end
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include_examples "returns the expected response"
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end
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before(:each) { sign_in(user) }
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context "when all parameters are given" do
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let(:comment) { "// Here be dragons." }
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context "when answer exists" do
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let(:answer_id) { answer.id }
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let(:expected_response) do
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{
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"success" => true,
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"status" => "okay",
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"message" => anything,
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"render" => anything,
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"count" => 1
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}
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end
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include_examples "creates the comment"
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context "when comment is too long" do
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let(:comment) { "E" * 621 }
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let(:expected_response) do
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{
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"success" => false,
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"status" => "rec_inv",
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"message" => anything
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}
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end
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include_examples "does not create the comment"
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end
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end
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context "when answer does not exist" do
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let(:answer_id) { "nein!" }
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let(:expected_response) do
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{
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"success" => false,
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"status" => anything,
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"message" => anything
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}
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end
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include_examples "does not create the comment"
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end
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end
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context "when some parameters are missing" do
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let(:answer_id) { nil }
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let(:comment) { "" }
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let(:expected_response) do
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{
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"success" => false,
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"status" => "parameter_error",
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"message" => anything
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}
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end
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include_examples "returns the expected response"
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end
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end
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context "when user is not signed in" do
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let(:answer_id) { answer.id }
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let(:comment) { "HACKED" }
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let(:expected_response) do
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{
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"success" => false,
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"status" => "err",
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"message" => anything
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}
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end
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include_examples "returns the expected response"
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end
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end
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describe "#destroy" do
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let(:answer_user) { FactoryBot.create(:user) }
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let(:answer) { FactoryBot.create(:answer, user: answer_user) }
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let(:comment_user) { user }
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let(:comment) { FactoryBot.create(:comment, user: comment_user, answer: answer) }
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let(:comment_id) { comment.id }
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let(:params) do
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{
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comment: comment_id
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}
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end
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subject { delete(:destroy, params: params) }
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context "when user is signed in" do
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shared_examples "deletes the comment" do
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let(:expected_response) do
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{
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"success" => true,
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"status" => "okay",
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"message" => anything,
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"count" => 0
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}
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end
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it "deletes the comment" do
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comment # ensure we already have it in the db
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expect { subject }.to(change { Comment.count }.by(-1))
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end
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include_examples "returns the expected response"
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end
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shared_examples "does not delete the comment" do
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let(:expected_response) do
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{
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"success" => false,
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"status" => "nopriv",
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"message" => anything
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}
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end
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it "does not delete the comment" do
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comment # ensure we already have it in the db
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expect { subject }.not_to(change { Comment.count })
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end
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include_examples "returns the expected response"
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end
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before(:each) { sign_in(user) }
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context "when the comment exists and was made by the current user" do
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include_examples "deletes the comment"
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end
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context "when the comment exists and was not made by the current user" do
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let(:comment_user) { FactoryBot.create(:user) }
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include_examples "does not delete the comment"
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context "when the current user created the answer" do
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let(:answer_user) { user }
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include_examples "deletes the comment"
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end
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%i[moderator administrator].each do |privileged_role|
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context "when the current user is a #{privileged_role}" do
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around do |example|
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user.add_role privileged_role
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example.run
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user.remove_role privileged_role
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end
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include_examples "deletes the comment"
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end
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end
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end
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context "when the comment does not exist" do
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let(:comment_id) { "sonic_the_hedgehog" }
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let(:expected_response) do
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{
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"success" => false,
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"status" => anything,
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"message" => anything
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}
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end
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include_examples "returns the expected response"
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end
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end
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context "when user is not signed in" do
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let(:expected_response) do
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{
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"success" => false,
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"status" => "nopriv",
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"message" => anything
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}
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end
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include_examples "returns the expected response"
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end
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end
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end
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@ -0,0 +1,12 @@
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# frozen_string_literal: true
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FactoryBot.define do
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factory :comment do
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transient do
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answer_content { Faker::Lorem.sentence }
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end
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content { Faker::Lorem.sentence }
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answer { FactoryBot.build(:answer, content: answer_content) }
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end
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end
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