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# frozen_string_literal: true
require_relative "../spec_helper"
module SyntaxSuggest
RSpec.describe ScanHistory do
it "retains commits" do
source = <<~EOM
class OH # 0
def lol # 1
print 'lol # 2
end # 3
def hello # 5
it "foo" do # 6
end # 7
def yolo # 8
print 'haha' # 9
end # 10
end
EOM
code_lines = CleanDocument.new(source: source).call.lines
block = CodeBlock.new(lines: code_lines[6])
scanner = ScanHistory.new(code_lines: code_lines, block: block)
scanner.scan(up: ->(_, _, _) { true }, down: ->(_, _, _) { true })
expect(scanner.changed?).to be_truthy
scanner.commit_if_changed
expect(scanner.changed?).to be_falsey
expect(scanner.lines).to eq(code_lines)
scanner.stash_changes # Assert does nothing if changes are already committed
expect(scanner.lines).to eq(code_lines)
scanner.revert_last_commit
expect(scanner.lines.join).to eq(code_lines[6].to_s)
end
it "is stashable" do
source = <<~EOM
class OH # 0
def lol # 1
print 'lol # 2
end # 3
def hello # 5
it "foo" do # 6
end # 7
def yolo # 8
print 'haha' # 9
end # 10
end
EOM
code_lines = CleanDocument.new(source: source).call.lines
block = CodeBlock.new(lines: code_lines[6])
scanner = ScanHistory.new(code_lines: code_lines, block: block)
scanner.scan(up: ->(_, _, _) { true }, down: ->(_, _, _) { true })
expect(scanner.lines).to eq(code_lines)
expect(scanner.changed?).to be_truthy
expect(scanner.next_up).to be_falsey
expect(scanner.next_down).to be_falsey
scanner.stash_changes
expect(scanner.changed?).to be_falsey
expect(scanner.next_up).to eq(code_lines[5])
expect(scanner.lines.join).to eq(code_lines[6].to_s)
expect(scanner.next_down).to eq(code_lines[7])
end
it "doesnt change if you dont't change it" do
source = <<~EOM
class OH # 0
def lol # 1
print 'lol # 2
end # 3
def hello # 5
it "foo" do # 6
end # 7
def yolo # 8
print 'haha' # 9
end # 10
end
EOM
code_lines = CleanDocument.new(source: source).call.lines
block = CodeBlock.new(lines: code_lines[6])
scanner = ScanHistory.new(code_lines: code_lines, block: block)
lines = scanner.lines
expect(scanner.changed?).to be_falsey
expect(scanner.next_up).to eq(code_lines[5])
expect(scanner.next_down).to eq(code_lines[7])
expect(scanner.stash_changes.lines).to eq(lines)
expect(scanner.revert_last_commit.lines).to eq(lines)
expect(scanner.scan(up: ->(_, _, _) { false }, down: ->(_, _, _) { false }).lines).to eq(lines)
end
end
end
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