Movatterモバイル変換

[0]ホーム
URL:

Skip to content

Navigation Menu

Sign in
Appearance settings

Search code, repositories, users, issues, pull requests...

Provide feedback

We read every piece of feedback, and take your input very seriously.

Saved searches

Use saved searches to filter your results more quickly

 Sign up
Appearance settings
This repository was archived by the owner on Nov 8, 2022. It is now read-only.

Commit414b9e7

Browse files
committed
feat(utils): add str_occurence method
1 parent82bed1b commit414b9e7

File tree

2 files changed

+22
-6
lines changed

2 files changed

+22
-6
lines changed

‎lib/helper/utils.ex‎

Lines changed: 9 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -237,4 +237,13 @@ defmodule Helper.Utils do
237237
defpupdate_word_count(word,acc)do
238238
Map.update(acc,to_string(word),1,&(&1+1))
239239
end
240+
241+
# see https://stackoverflow.com/a/49558074/4050784
242+
@specstr_occurence(String.t(),String.t())::Integer.t()
243+
defstr_occurence(string,substr)whenis_binary(string)andis_binary(substr)do
244+
len=string|>String.split(substr)|>length()
245+
len-1
246+
end
247+
248+
defstr_occurence(_,_),do:"must be strings"
240249
end

‎test/helper/utils_test.exs‎

Lines changed: 13 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -91,34 +91,41 @@ defmodule GroupherServer.Test.Helper.UtilsTest do
9191
end
9292

9393
describe"[deep merge]"do
94-
test'one level of maps without conflict'do
94+
test"one level of maps without conflict"do
9595
result=Utils.deep_merge(%{a:1},%{b:2})
9696
assertresult==%{a:1,b:2}
9797
end
9898

99-
test'two levels of maps without conflict'do
99+
test"two levels of maps without conflict"do
100100
result=Utils.deep_merge(%{a:%{b:1}},%{a:%{c:3}})
101101
assertresult==%{a:%{b:1,c:3}}
102102
end
103103

104-
test'three levels of maps without conflict'do
104+
test"three levels of maps without conflict"do
105105
result=Utils.deep_merge(%{a:%{b:%{c:1}}},%{a:%{b:%{d:2}}})
106106
assertresult==%{a:%{b:%{c:1,d:2}}}
107107
end
108108

109-
test'non-map value in left'do
109+
test"non-map value in left"do
110110
result=Utils.deep_merge(%{a:1},%{a:%{b:2}})
111111
assertresult==%{a:%{b:2}}
112112
end
113113

114-
test'non-map value in right'do
114+
test"non-map value in right"do
115115
result=Utils.deep_merge(%{a:%{b:1}},%{a:2})
116116
assertresult==%{a:2}
117117
end
118118

119-
test'non-map value in both'do
119+
test"non-map value in both"do
120120
result=Utils.deep_merge(%{a:1},%{a:2})
121121
assertresult==%{a:2}
122122
end
123123
end
124+
125+
describe"[sub str occurence]"do
126+
test"normal occurence case"do
127+
assert2==Utils.str_occurence("foo bar foobar","foo")
128+
assert0==Utils.str_occurence("hello world","foo")
129+
end
130+
end
124131
end

0 commit comments

Comments
 (0)
[8]ページ先頭
©2009-2025 Movatter.jp