apply_test.v

1module apply23import src.snapshot45fn entry(path string, hash string) snapshot.FileEntry {6	return snapshot.FileEntry{7		path: path8		hash: hash9	}10}1112fn hashes(files []snapshot.FileEntry) map[string]string {13	mut out := map[string]string{}14	for file in files {15		out[file.path] = file.hash16	}17	return out18}1920fn test_clean_apply_takes_the_new_content() {21	current := [entry('a.txt', 'aaa'), entry('b.txt', 'bbb')]22	base := [entry('a.txt', 'aaa'), entry('b.txt', 'bbb')]23	target := [entry('a.txt', 'AAA'), entry('b.txt', 'bbb')]2425	plan := three_way(current, base, target, [], [])26	assert !conflicts(plan)27	assert plan.applied == ['a.txt']28	assert hashes(plan.files) == {29		'a.txt': 'AAA'30		'b.txt': 'bbb'31	}32}3334fn test_already_applied_is_left_alone() {35	current := [entry('a.txt', 'AAA')]36	base := [entry('a.txt', 'aaa')]37	target := [entry('a.txt', 'AAA')]3839	plan := three_way(current, base, target, [], [])40	assert !conflicts(plan)41	assert plan.applied.len == 042	assert hashes(plan.files) == {43		'a.txt': 'AAA'44	}45}4647fn test_a_file_the_user_has_since_edited_is_a_hard_conflict() {48	current := [entry('a.txt', 'mine')]49	base := [entry('a.txt', 'aaa')]50	target := [entry('a.txt', 'theirs')]5152	plan := three_way(current, base, target, [], [])53	assert conflicts(plan)54	assert plan.conflict == 'a.txt'55}5657fn test_additions_removals_and_untouched_paths() {58	current := [entry('kept.txt', 'keep'), entry('gone.txt', 'bye')]59	base := [entry('gone.txt', 'bye')]60	target := [entry('added.txt', 'new')]6162	plan := three_way(current, base, target, [], [])63	assert !conflicts(plan)64	assert plan.applied == ['added.txt', 'gone.txt']65	assert hashes(plan.files) == {66		'added.txt': 'new'67		'kept.txt':  'keep'68	}69}7071fn test_filters_limit_the_change_to_paths_or_folders() {72	current := [entry('src/a.txt', 'aaa'), entry('docs/b.txt', 'bbb')]73	base := [entry('src/a.txt', 'aaa'), entry('docs/b.txt', 'bbb')]74	target := [entry('src/a.txt', 'AAA'), entry('docs/b.txt', 'BBB')]7576	plan := three_way(current, base, target, ['src'], [])77	assert plan.applied == ['src/a.txt']78	assert hashes(plan.files) == {79		'src/a.txt':  'AAA'80		'docs/b.txt': 'bbb'81	}8283	// A folder filter also covers everything beneath it, with or without the84	// trailing slash.85	plan2 := three_way(current, base, target, ['docs/'], [])86	assert plan2.applied == ['docs/b.txt']87}8889fn test_reverse_is_the_same_engine_with_the_sides_swapped() {90	// pluck --reverse passes base=target and target=base; the engine does not91	// need to know which way round it is.92	current := [entry('a.txt', 'AAA')]93	original := [entry('a.txt', 'aaa')]94	changed := [entry('a.txt', 'AAA')]9596	forward := three_way(current, original, changed, [], [])97	assert forward.applied.len == 09899	back := three_way(current, changed, original, [], [])100	assert !conflicts(back)101	assert hashes(back.files) == {102		'a.txt': 'aaa'103	}104}105106fn test_executable_bit_counts_as_a_change() {107	current := [snapshot.FileEntry{108		path: 'run.sh'109		hash: 'same'110	}]111	base := [snapshot.FileEntry{112		path: 'run.sh'113		hash: 'same'114	}]115	target := [116		snapshot.FileEntry{117			path:       'run.sh'118			hash:       'same'119			executable: true120		},121	]122123	plan := three_way(current, base, target, [], [])124	assert !conflicts(plan)125	assert plan.applied == ['run.sh']126	assert plan.files[0].executable127}