From 860594ffb7c013e5f4257bd615472e08c8c685c6 Mon Sep 17 00:00:00 2001
From: gabrielgio <gabriel.giovanini@pm.me>
Date: Fri, 25 Mar 2022 22:43:47 +0100
Subject: ref: Add test for edge case

Add test case for when you call with 0 length or no option (upper case,
lower case, number and special).
---
 .gitlab-ci.yml |  2 ++
 less           |  7 +++++++
 src/lib.rs     |  5 ++++-
 tests/web.rs   | 12 ++++++++++++
 4 files changed, 25 insertions(+), 1 deletion(-)
 create mode 100644 less

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 176339b..0cb348c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -13,6 +13,8 @@ test:
     - make test
 
 pages:
+  needs:
+    - test
   before_script:
     - export PATH="$PATH:$HOME/.cargo/bin"
     - apk add npm make curl build-base
diff --git a/less b/less
new file mode 100644
index 0000000..5ce7d2e
--- /dev/null
+++ b/less
@@ -0,0 +1,7 @@
+wasm-pack test --headless --firefox
+no tests to run!
+                                                  
Set timeout to 20 seconds...
+Executing bindgen...                              
                                                  
Running headless tests in Firefox on `http://127.0.0.1:42097/`
+Try find `webdriver.json` for configure browser's capabilities:
+Not found
+Starting new webdriver session...                 
\ No newline at end of file
diff --git a/src/lib.rs b/src/lib.rs
index a4fa227..a19cbfa 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -17,6 +17,10 @@ extern {
 
 #[wasm_bindgen]
 pub fn generate(len: usize, lower: bool, upper: bool, number: bool, special: bool) -> String {
+    if len == 0 ||!lower && !upper && !number && !special  {
+        return "".to_string();
+    }
+
     let mut upper_charset: Vec<char> = String::from("ABCDEFGHIJKLMNOPQRSTUVWXYZ").chars().collect();
     let mut lower_charset: Vec<char> = String::from("abcdefghijklmnopqrstuvwxyz").chars().collect();
     let mut number_charset: Vec<char> = String::from("1234567890").chars().collect();
@@ -41,7 +45,6 @@ pub fn generate(len: usize, lower: bool, upper: bool, number: bool, special: boo
         result.append(&mut special_charset);
     }
 
-
     (0..len)
         .map(|_| {
             let idx = rng.gen_range(0..result.len());
diff --git a/tests/web.rs b/tests/web.rs
index 607f16d..b83608f 100644
--- a/tests/web.rs
+++ b/tests/web.rs
@@ -62,3 +62,15 @@ fn generate_not_special_letters() {
         }
     }
 }
+
+#[wasm_bindgen_test]
+fn generate_0_len() {
+    let password = generate(0, true, true, true, true);
+    assert_eq!(0, password.len())
+}
+
+#[wasm_bindgen_test]
+fn generate_no_letters() {
+    let password = generate(100, false, false, false, false);
+    assert_eq!(0, password.len())
+}
-- 
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