test(utils): add tests for is_uri (#2645)

lua/tests/automated/utils_spec.lua

@@ -0,0 +1,55 @@
+local utils = require "telescope.utils"
+
+describe("is_uri", function()
+  it("detects valid uris", function()
+    local uris = {
+      [[https://www.example.com/index.html]],
+      [[ftp://ftp.example.com/files/document.pdf]],
+      [[mailto:user@example.com]],
+      [[tel:+1234567890]],
+      [[file:///home/user/documents/report.docx]],
+      [[news:comp.lang.python]],
+      [[ldap://ldap.example.com:389/dc=example,dc=com]],
+      [[git://github.com/user/repo.git]],
+      [[steam://run/123456]],
+      [[magnet:?xt=urn:btih:6B4C3343E1C63A1BC36AEB8A3D1F52C4EDEEB096]],
+    }
+
+    for _, uri in ipairs(uris) do
+      assert.True(utils.is_uri(uri))
+    end
+  end)
+
+  it("handles windows paths", function()
+    local paths = {
+      [[C:\Users\Usuario\Documents\archivo.txt]],
+      [[D:\Projects\project_folder\source_code.py]],
+      [[E:\Music\song.mp3]],
+    }
+    for _, path in ipairs(paths) do
+      assert.False(utils.is_uri(path))
+    end
+  end)
+
+  it("handles linux paths", function()
+    local paths = {
+      [[/home/usuario/documents/archivo.txt]],
+      [[/var/www/html/index.html]],
+      [[/mnt/backup/backup_file.tar.gz]],
+    }
+    for _, path in ipairs(paths) do
+      assert.False(utils.is_uri(path))
+    end
+  end)
+
+  it("handles macos paths", function()
+    local paths = {
+      [[/Users/Usuario/Documents/archivo.txt]],
+      [[/Applications/App.app/Contents/MacOS/app_executable]],
+      [[/Volumes/ExternalDrive/Data/file.xlsx]],
+    }
+    for _, path in ipairs(paths) do
+      assert.False(utils.is_uri(path))
+    end
+  end)
+end)