Commit 6b9c730e authored by Rubén Dávila's avatar Rubén Dávila

More refactoring from last code review. #3945

* Use commit objects instead of IDs when generating diffs
* Use proper references when generating MR's source and target
* Update broken specs
parent 70bc3224
......@@ -72,7 +72,7 @@ class Projects::CommitController < Projects::ApplicationController
@diffs = commit.diffs
end
@diff_refs = [commit.parent_id || commit.id, commit.id]
@diff_refs = [commit.parent || commit, commit]
@notes_count = commit.notes.count
@statuses = ci_commit.statuses if ci_commit
......
......@@ -20,9 +20,9 @@ class Projects::CompareController < Projects::ApplicationController
if compare_result
@commits = Commit.decorate(compare_result.commits, @project)
@diffs = compare_result.diffs
@diff_refs = [base_ref, head_ref]
@commit = @project.commit(head_ref)
@first_commit = @project.commit(base_ref)
@diff_refs = [@first_commit, @commit]
@line_notes = []
end
end
......
......@@ -59,7 +59,6 @@ class Projects::MergeRequestsController < Projects::ApplicationController
def diffs
@commit = @merge_request.last_commit
@first_commit = @merge_request.first_commit
@diff_refs = [@merge_request.last_commit.parent_id, @merge_request.source_sha]
@comments_allowed = @reply_allowed = true
@comments_target = {
......@@ -104,8 +103,6 @@ class Projects::MergeRequestsController < Projects::ApplicationController
@commit = @merge_request.last_commit
@first_commit = @merge_request.first_commit
@diffs = @merge_request.compare_diffs
# We need to use #source_branch because #source_sha requires an existent MergeRequestDiff object.
@diff_refs = [@merge_request.target_sha, @merge_request.source_branch]
@ci_commit = @merge_request.ci_commit
@statuses = @ci_commit.statuses if @ci_commit
......
......@@ -19,13 +19,13 @@ module DiffHelper
end
end
def safe_diff_files(diffs, diff_refs, repository)
def safe_diff_files(diffs, diff_refs)
lines = 0
safe_files = []
diffs.first(allowed_diff_size).each do |diff|
lines += diff.diff.lines.count
break if lines > allowed_diff_lines
safe_files << Gitlab::Diff::File.new(diff, diff_refs, repository)
safe_files << Gitlab::Diff::File.new(diff, diff_refs)
end
safe_files
end
......
......@@ -511,4 +511,8 @@ class MergeRequest < ActiveRecord::Base
def broken?
self.commits.blank? || branch_missing? || cannot_be_merged?
end
def diff_range
[last_commit.parent, first_commit]
end
end
- if diff_view == 'parallel'
- fluid_layout true
- diff_files = safe_diff_files(diffs, diff_refs, repository)
- diff_files = safe_diff_files(diffs, diff_refs)
.gray-content-block.middle-block.oneline-block
.inline-parallel-buttons
......
......@@ -38,7 +38,7 @@
= render "projects/merge_requests/show/commits"
#diffs.diffs.tab-pane.active
- if @diffs.present?
= render "projects/diffs/diffs", diffs: @diffs, project: @project, diff_refs: @diff_refs
= render "projects/diffs/diffs", diffs: @diffs, project: @project, diff_refs: @merge_request.diff_range
- elsif @commits.size > MergeRequestDiff::COMMITS_SAFE_SIZE
.alert.alert-danger
%h4 This comparison includes more than #{MergeRequestDiff::COMMITS_SAFE_SIZE} commits.
......
- if @merge_request_diff.collected?
= render "projects/diffs/diffs", diffs: params[:w] == '1' ? @merge_request.diffs_no_whitespace : @merge_request.diffs, project: @merge_request.project, diff_refs: @diff_refs
= render "projects/diffs/diffs", diffs: params[:w] == '1' ? @merge_request.diffs_no_whitespace : @merge_request.diffs,
project: @merge_request.project, diff_refs: @merge_request.diff_range
- elsif @merge_request_diff.empty?
.nothing-here-block Nothing to merge from #{@merge_request.source_branch} into #{@merge_request.target_branch}
- else
......
module Gitlab
module Diff
class File
attr_reader :diff, :repository, :new_ref, :old_ref
attr_reader :diff, :new_ref, :old_ref
delegate :new_file, :deleted_file, :renamed_file,
:old_path, :new_path, to: :diff, prefix: false
def initialize(diff, diff_refs, repository)
def initialize(diff, diff_refs)
@diff = diff
@repository = repository
@old_ref, @new_ref = diff_refs
end
......
......@@ -3,8 +3,7 @@ module Gitlab
class Highlight
attr_reader :diff_file
delegate :repository, :old_path, :new_path, :old_ref, :new_ref,
to: :diff_file, prefix: :diff
delegate :old_path, :new_path, :old_ref, :new_ref, to: :diff_file, prefix: :diff
def initialize(diff_file)
@diff_file = diff_file
......@@ -141,11 +140,11 @@ module Gitlab
end
def old_lines
@old_lines ||= Gitlab::Highlight.highlight_lines(diff_repository, diff_old_ref, diff_old_path)
@old_lines ||= self.class.process_file(*processing_args(:old))
end
def new_lines
@new_lines ||= Gitlab::Highlight.highlight_lines(diff_repository, diff_new_ref, diff_new_path)
@new_lines ||= self.class.process_file(*processing_args(:new))
end
def longest_common_suffix(a, b)
......@@ -200,6 +199,16 @@ module Gitlab
offset
end
private
def processing_args(version)
ref = send("diff_#{version}_ref")
path = send("diff_#{version}_path")
[ref.project.repository, ref.id, path]
end
end
end
end
This diff is collapsed.
......@@ -8,8 +8,8 @@ describe DiffHelper do
let(:commit) { project.commit(sample_commit.id) }
let(:diffs) { commit.diffs }
let(:diff) { diffs.first }
let(:diff_refs) { [commit.parent.id, commit.id] }
let(:diff_file) { Gitlab::Diff::File.new(diff, diff_refs, repository) }
let(:diff_refs) { [commit.parent, commit] }
let(:diff_file) { Gitlab::Diff::File.new(diff, diff_refs) }
describe 'diff_hard_limit_enabled?' do
it 'should return true if param is provided' do
......@@ -46,41 +46,41 @@ describe DiffHelper do
describe 'safe_diff_files' do
it 'should return all files from a commit that is smaller than safe limits' do
expect(safe_diff_files(diffs, diff_refs, repository).length).to eq(2)
expect(safe_diff_files(diffs, diff_refs).length).to eq(2)
end
it 'should return only the first file if the diff line count in the 2nd file takes the total beyond safe limits' do
allow(diffs[1].diff).to receive(:lines).and_return([""] * 4999) #simulate 4999 lines
expect(safe_diff_files(diffs, diff_refs, repository).length).to eq(1)
expect(safe_diff_files(diffs, diff_refs).length).to eq(1)
end
it 'should return all files from a commit that is beyond safe limit for numbers of lines if force diff is true' do
allow(controller).to receive(:params) { { force_show_diff: true } }
allow(diffs[1].diff).to receive(:lines).and_return([""] * 4999) #simulate 4999 lines
expect(safe_diff_files(diffs, diff_refs, repository).length).to eq(2)
expect(safe_diff_files(diffs, diff_refs).length).to eq(2)
end
it 'should return only the first file if the diff line count in the 2nd file takes the total beyond hard limits' do
allow(controller).to receive(:params) { { force_show_diff: true } }
allow(diffs[1].diff).to receive(:lines).and_return([""] * 49999) #simulate 49999 lines
expect(safe_diff_files(diffs, diff_refs, repository).length).to eq(1)
expect(safe_diff_files(diffs, diff_refs).length).to eq(1)
end
it 'should return only a safe number of file diffs if a commit touches more files than the safe limits' do
large_diffs = diffs * 100 #simulate 200 diffs
expect(safe_diff_files(large_diffs, diff_refs, repository).length).to eq(100)
expect(safe_diff_files(large_diffs, diff_refs).length).to eq(100)
end
it 'should return all file diffs if a commit touches more files than the safe limits but force diff is true' do
allow(controller).to receive(:params) { { force_show_diff: true } }
large_diffs = diffs * 100 #simulate 200 diffs
expect(safe_diff_files(large_diffs, diff_refs, repository).length).to eq(200)
expect(safe_diff_files(large_diffs, diff_refs).length).to eq(200)
end
it 'should return a limited file diffs if a commit touches more files than the hard limits and force diff is true' do
allow(controller).to receive(:params) { { force_show_diff: true } }
very_large_diffs = diffs * 1000 #simulate 2000 diffs
expect(safe_diff_files(very_large_diffs, diff_refs, repository).length).to eq(1000)
expect(safe_diff_files(very_large_diffs, diff_refs).length).to eq(1000)
end
end
......@@ -128,7 +128,11 @@ describe DiffHelper do
expect(diff_line_content(diff_file.diff_lines.first.text)).
to eq('@@ -6,12 +6,18 @@ module Popen')
expect(diff_line_content(diff_file.diff_lines.first.type)).to eq('match')
expect(diff_line_content(diff_file.diff_lines.first.new_pos)).to eq(6)
expect(diff_file.diff_lines.first.new_pos).to eq(6)
end
it 'should return safe HTML' do
expect(diff_line_content(diff_file.diff_lines.first.text)).to be_html_safe
end
end
......
......@@ -6,7 +6,7 @@ describe Gitlab::Diff::File, lib: true do
let(:project) { create(:project) }
let(:commit) { project.commit(sample_commit.id) }
let(:diff) { commit.diffs.first }
let(:diff_file) { Gitlab::Diff::File.new(diff, [commit.parent.id, commit.id], project.repository) }
let(:diff_file) { Gitlab::Diff::File.new(diff, [commit.parent, commit]) }
describe :diff_lines do
let(:diff_lines) { diff_file.diff_lines }
......
......@@ -6,7 +6,7 @@ describe Gitlab::Diff::Highlight, lib: true do
let(:project) { create(:project) }
let(:commit) { project.commit(sample_commit.id) }
let(:diff) { commit.diffs.first }
let(:diff_file) { Gitlab::Diff::File.new(diff, [commit.parent.id, commit.id], project.repository) }
let(:diff_file) { Gitlab::Diff::File.new(diff, [commit.parent, commit]) }
describe '.process_diff_lines' do
context 'when processing Gitlab::Diff::Line objects' do
......
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