gitlab-org--gitlab-foss/spec/models/diff_note_spec.rb

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require 'spec_helper'
describe DiffNote do
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include RepoHelpers
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let!(:merge_request) { create(:merge_request) }
let(:project) { merge_request.project }
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let(:commit) { project.commit(sample_commit.id) }
let(:path) { "files/ruby/popen.rb" }
let!(:position) do
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Gitlab::Diff::Position.new(
old_path: path,
new_path: path,
old_line: nil,
new_line: 14,
diff_refs: merge_request.diff_refs
)
end
let!(:new_position) do
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Gitlab::Diff::Position.new(
old_path: path,
new_path: path,
old_line: 16,
new_line: 22,
diff_refs: merge_request.diff_refs
)
end
subject { create(:diff_note_on_merge_request, project: project, position: position, noteable: merge_request) }
describe "#position=" do
context "when provided a string" do
it "sets the position" do
subject.position = new_position.to_json
expect(subject.position).to eq(new_position)
end
end
context "when provided a hash" do
it "sets the position" do
subject.position = new_position.to_h
expect(subject.position).to eq(new_position)
end
end
context "when provided a position object" do
it "sets the position" do
subject.position = new_position
expect(subject.position).to eq(new_position)
end
end
end
describe "#original_position=" do
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context "when provided a string" do
it "sets the original position" do
subject.original_position = new_position.to_json
expect(subject.original_position).to eq(new_position)
end
end
context "when provided a hash" do
it "sets the original position" do
subject.original_position = new_position.to_h
expect(subject.original_position).to eq(new_position)
end
end
context "when provided a position object" do
it "sets the original position" do
subject.original_position = new_position
expect(subject.original_position).to eq(new_position)
end
end
end
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describe "#diff_file" do
it "returns the correct diff file" do
diff_file = subject.diff_file
expect(diff_file.old_path).to eq(position.old_path)
expect(diff_file.new_path).to eq(position.new_path)
expect(diff_file.diff_refs).to eq(position.diff_refs)
end
end
describe "#diff_line" do
it "returns the correct diff line" do
diff_line = subject.diff_line
expect(diff_line.added?).to be true
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expect(diff_line.new_line).to eq(position.formatter.new_line)
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expect(diff_line.text).to eq("+ vars = {")
end
end
describe "#line_code" do
it "returns the correct line code" do
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line_code = Gitlab::Diff::LineCode.generate(position.file_path, position.formatter.new_line, 15)
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expect(subject.line_code).to eq(line_code)
end
end
describe "#for_line?" do
context "when provided the correct diff line" do
it "returns true" do
expect(subject.for_line?(subject.diff_line)).to be true
end
end
context "when provided a different diff line" do
it "returns false" do
some_line = subject.diff_file.diff_lines.first
expect(subject.for_line?(some_line)).to be false
end
end
end
describe "#active?" do
context "when noteable is a commit" do
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subject { build(:diff_note_on_commit, project: project, position: position) }
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it "returns true" do
expect(subject.active?).to be true
end
end
context "when noteable is a merge request" do
context "when the merge request's diff refs match that of the diff note" do
it "returns true" do
expect(subject.active?).to be true
end
end
context "when the merge request's diff refs don't match that of the diff note" do
before do
allow(subject.noteable).to receive(:diff_refs).and_return(commit.diff_refs)
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end
it "returns false" do
expect(subject.active?).to be false
end
end
end
end
describe "creation" do
describe "updating of position" do
context "when noteable is a commit" do
let(:diff_note) { create(:diff_note_on_commit, project: project, position: position) }
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it "doesn't update the position" do
diff_note
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expect(diff_note.original_position).to eq(position)
expect(diff_note.position).to eq(position)
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end
end
context "when noteable is a merge request" do
let(:diff_note) { create(:diff_note_on_merge_request, project: project, position: position, noteable: merge_request) }
context "when the note is active" do
it "doesn't update the position" do
diff_note
expect(diff_note.original_position).to eq(position)
expect(diff_note.position).to eq(position)
end
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end
context "when the note is outdated" do
before do
allow(merge_request).to receive(:diff_refs).and_return(commit.diff_refs)
end
it "updates the position" do
diff_note
expect(diff_note.original_position).to eq(position)
expect(diff_note.position).not_to eq(position)
end
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end
end
end
end
describe "#discussion_id" do
let(:note) { create(:diff_note_on_merge_request) }
context "when it is newly created" do
it "has a discussion id" do
expect(note.discussion_id).not_to be_nil
expect(note.discussion_id).to match(/\A\h{40}\z/)
end
end
context "when it didn't store a discussion id before" do
before do
note.update_column(:discussion_id, nil)
end
it "has a discussion id" do
# The discussion_id is set in `after_initialize`, so `reload` won't work
reloaded_note = Note.find(note.id)
expect(reloaded_note.discussion_id).not_to be_nil
expect(reloaded_note.discussion_id).to match(/\A\h{40}\z/)
end
end
end
describe '#created_at_diff?' do
let(:diff_refs) { project.commit(sample_commit.id).diff_refs }
let(:position) do
Gitlab::Diff::Position.new(
old_path: "files/ruby/popen.rb",
new_path: "files/ruby/popen.rb",
old_line: nil,
new_line: 14,
diff_refs: diff_refs
)
end
context "when noteable is a commit" do
subject { build(:diff_note_on_commit, project: project, position: position) }
it "returns true" do
expect(subject.created_at_diff?(diff_refs)).to be true
end
end
context "when noteable is a merge request" do
context "when the diff refs match the original one of the diff note" do
it "returns true" do
expect(subject.created_at_diff?(diff_refs)).to be true
end
end
context "when the diff refs don't match the original one of the diff note" do
it "returns false" do
expect(subject.created_at_diff?(merge_request.diff_refs)).to be false
end
end
end
end
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describe "image diff notes" do
let(:path) { "files/images/any_image.png" }
let!(:position) do
Gitlab::Diff::Position.new(
old_path: path,
new_path: path,
width: 10,
height: 10,
x: 1,
y: 1,
diff_refs: merge_request.diff_refs,
position_type: "image"
)
end
describe "validations" do
subject { build(:diff_note_on_merge_request, project: project, position: position, noteable: merge_request) }
it { is_expected.not_to validate_presence_of(:line_code) }
it "does not validate diff line" do
diff_line = subject.diff_line
expect(diff_line).to be nil
expect(subject).to be_valid
end
end
it "returns true for on_image?" do
expect(subject.on_image?).to be_truthy
end
end
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end