cashless2ecash

cashless2ecash: pay with cards for digital cash (experimental)
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AmountPatternTest.kt (1880B)

      1 // This file is part of taler-cashless2ecash.
      2 // Copyright (C) 2024 Joel Häberli
      3 //
      4 // taler-cashless2ecash is free software: you can redistribute it and/or modify it
      5 // under the terms of the GNU Affero General Public License as published
      6 // by the Free Software Foundation, either version 3 of the License,
      7 // or (at your option) any later version.
      8 //
      9 // taler-cashless2ecash is distributed in the hope that it will be useful, but
     10 // WITHOUT ANY WARRANTY; without even the implied warranty of
     11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12 // Affero General Public License for more details.
     13 //
     14 // You should have received a copy of the GNU Affero General Public License
     15 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
     16 //
     17 // SPDX-License-Identifier: AGPL3.0-or-later
     18 
     19 package ch.bfh.habej2.wallee_c2ec
     20 
     21 import org.junit.Test
     22 
     23 import org.junit.Assert.*
     24 
     25 class AmountPatternTest {
     26 
     27     private val regex = Regex( "\\d+(\\.\\d+)?")
     28 
     29     @Test
     30     fun valid_amount_pattern_test() {
     31 
     32         val validPatterns = listOf(
     33             "0.5",
     34             "0.05",
     35             "1.34533434",
     36             "45243.3254245235235335",
     37             "1000",
     38             "9383"
     39         )
     40 
     41         validPatterns.map {
     42             assertTrue(regex.matches(it))
     43         }
     44     }
     45 
     46     @Test
     47     fun invalid_amount_pattern_test() {
     48 
     49         val invalidPattern = listOf(
     50             "100.",
     51             "12344.234523.34",
     52             ".12344.234523",
     53             ".",
     54             ".932487",
     55             "8989.2223..",
     56             "2323..342"
     57         )
     58 
     59         invalidPattern.map {
     60             assertFalse(regex.matches(it))
     61         }
     62     }
     63 
     64     @Test
     65     fun how_does_split_work() {
     66 
     67         val str = "1."
     68         val first = str.split(".")[0]
     69         val second = str.split(".")[1]
     70 
     71         assertEquals("1", first)
     72         assertEquals("", second)
     73     }
     74 }