add spec for Ajax::CommentController

This commit is contained in:
Georg Gadinger 2020-04-29 19:55:05 +02:00
parent d492cd34f6
commit 07f489430c
2 changed files with 245 additions and 0 deletions

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

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spec/factories/comment.rb Normal file
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# frozen_string_literal: true
FactoryBot.define do
factory :comment do
transient do
answer_content { Faker::Lorem.sentence }
end
content { Faker::Lorem.sentence }
answer { FactoryBot.build(:answer, content: answer_content) }
end
end