87 lines
1.7 KiB
Ruby
87 lines
1.7 KiB
Ruby
require 'rails_helper'
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describe Post, type: :model do
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let(:post) { build(:post) }
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it { should belong_to(:user) }
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it { should belong_to(:subcreddit) }
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it { should have_many(:comments) }
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it { should delegate_method(:username).to(:user).with_prefix }
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context 'when adding a comment' do
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let(:post) { create(:post) }
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it 'should update the cache_counter for comments' do
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expect do
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create(:comment, post: post)
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end.to change { post.comments_count }.by(1)
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end
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end
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context 'with valid data' do
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it 'should be valid' do
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expect(post).to be_valid
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end
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it 'should allow blank content' do
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post.content = ''
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expect(post).to be_valid
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end
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it 'should allow a blank link' do
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post.link = ''
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expect(post).to be_valid
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end
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end
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context 'with invalid data' do
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it 'should not allow a blank title' do
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post.title = ''
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expect(post).to be_invalid
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end
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it 'should not allow a long title' do
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post.title = 'a' * 301
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expect(post).to be_invalid
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end
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it 'should not allow long content' do
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post.content = 'a' * 15001
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expect(post).to be_invalid
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end
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end
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context '#to_param' do
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it 'generates the correct param' do
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post.save
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expect(post.to_param).to eq("#{post.id}-#{post.title.parameterize}")
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end
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end
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context '#comments?' do
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let(:post) { create(:post) }
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context 'with comments' do
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before(:each) do
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create(:comment, post: post)
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end
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it 'should respond with true' do
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expect(post.comments?).to be(true)
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end
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end
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context 'without comments' do
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it 'should respond with false' do
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expect(post.comments?).to be(false)
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end
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end
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end
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end
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