restructure project to Kotlin Multiplatform
- custom POM location removed (there are now two POMs, one for the 'Kotlin Multiplatform' publication, and another for Kotlin/JVM, and more are on the way, which would lead to a cluttered build dir) - renamed the directories (the directory name is how Kotlin Multiplatform chooses the published artifact ID, and there's no an easier way to change it.) - updated README examples, and link to `-jvm` variant guide
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Adam
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16 changed files with 59 additions and 243 deletions
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/*
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* Copyright 2001-2023 Geert Bevin (gbevin[remove] at uwyn dot com)
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* Copyright 2022-2023 Erik C. Thauvin (erik@thauvin.net)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package net.thauvin.erik.urlencoder
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import kotlin.system.exitProcess
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/**
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* Most defensive approach to URL encoding and decoding.
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*
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* - Rules determined by combining the unreserved character set from
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* [RFC 3986](https://www.rfc-editor.org/rfc/rfc3986#page-13) with the percent-encode set from
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* [application/x-www-form-urlencoded](https://url.spec.whatwg.org/#application-x-www-form-urlencoded-percent-encode-set).
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*
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* - Both specs above support percent decoding of two hexadecimal digits to a binary octet, however their unreserved
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* set of characters differs and `application/x-www-form-urlencoded` adds conversion of space to `+`, which has the
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* potential to be misunderstood.
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*
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* - This library encodes with rules that will be decoded correctly in either case.
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*
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* @author Geert Bevin (gbevin(remove) at uwyn dot com)
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* @author Erik C. Thauvin (erik@thauvin.net)
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**/
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object UrlEncoder {
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internal val usage =
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"Usage : java -jar urlencoder-*all.jar [-ed] text" + System.lineSeparator() +
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"Encode and decode URL components defensively." + System.lineSeparator() +
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" -e encode (default) " + System.lineSeparator() +
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" -d decode"
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/**
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* Encodes and decodes URLs from the command line.
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*
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* - `java -jar urlencoder-*all.jar [-ed] text`
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*/
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@JvmStatic
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fun main(args: Array<String>) {
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try {
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val result = processMain(args)
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if (result.status == 1) {
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System.err.println(result.output)
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} else {
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println(result.output)
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}
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exitProcess(result.status)
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} catch (e: IllegalArgumentException) {
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System.err.println("${UrlEncoder::class.java.simpleName}: ${e.message}")
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exitProcess(1)
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}
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}
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internal data class MainResult(var output: String = usage, var status: Int = 1)
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internal fun processMain(args: Array<String>): MainResult {
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val result = MainResult()
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if (args.isNotEmpty() && args[0].isNotEmpty()) {
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val hasDecode = (args[0] == "-d")
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val hasOption = (hasDecode || args[0] == "-e")
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if (hasOption && args.size == 2 || !hasOption && args.size == 1) {
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val arg = if (hasOption) args[1] else args[0]
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if (hasDecode) {
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result.output = decode(arg)
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} else {
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result.output = UrlEncoderUtil.encode(arg)
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}
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result.status = 0
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}
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}
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return result
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}
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/**
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* Transforms a provided [String] into a new string, containing decoded URL characters in the UTF-8
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* encoding.
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*/
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@JvmStatic
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@JvmOverloads
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fun decode(source: String, plusToSpace: Boolean = false): String =
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// delegate to UrlEncoderFunctions for backwards compatibility
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UrlEncoderUtil.decode(source, plusToSpace)
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/**
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* Transforms a provided [String] object into a new string, containing only valid URL characters in the UTF-8
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* encoding.
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*
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* - Letters, numbers, unreserved (`_-!.'()*`) and allowed characters are left intact.
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*/
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@JvmStatic
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@JvmOverloads
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fun encode(source: String, allow: String = "", spaceToPlus: Boolean = false): String =
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UrlEncoderUtil.encode(source, allow, spaceToPlus)
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}
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@ -0,0 +1,122 @@
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/*
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* Copyright 2001-2023 Geert Bevin (gbevin[remove] at uwyn dot com)
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* Copyright 2022-2023 Erik C. Thauvin (erik@thauvin.net)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package net.thauvin.erik.urlencoder
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import net.thauvin.erik.urlencoder.UrlEncoder.processMain
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import net.thauvin.erik.urlencoder.UrlEncoder.usage
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import kotlin.test.Test
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import kotlin.test.assertEquals
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import kotlin.test.assertFailsWith
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class UrlEncoderTest {
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companion object {
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@JvmStatic
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var invalid = arrayOf("sdkjfh%", "sdkjfh%6", "sdkjfh%xx", "sdfjfh%-1")
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@JvmStatic
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var validMap = arrayOf(
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Pair("a test &", "a%20test%20%26"),
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Pair(
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"!abcdefghijklmnopqrstuvwxyz%%ABCDEFGHIJKLMNOPQRSTUVQXYZ0123456789-_.~=",
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"%21abcdefghijklmnopqrstuvwxyz%25%25ABCDEFGHIJKLMNOPQRSTUVQXYZ0123456789-_.%7E%3D"
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),
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Pair("%#okékÉȢ smile!😁", "%25%23ok%C3%A9k%C3%89%C8%A2%20smile%21%F0%9F%98%81"),
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Pair(
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"\uD808\uDC00\uD809\uDD00\uD808\uDF00\uD808\uDD00", "%F0%92%80%80%F0%92%94%80%F0%92%8C%80%F0%92%84%80"
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)
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)
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}
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@Test
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fun `Encode with SpaceToPlus`() {
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assertEquals("this+is+a+test", UrlEncoder.encode("this is a test", spaceToPlus = true))
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}
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@Test
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fun `Encode with Allow`() {
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assertEquals("this is a test", UrlEncoder.encode("this is a test", allow = " "))
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}
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@Test
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fun `Encode without Parameters`() {
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for (m in validMap) {
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assertEquals(m.second, UrlEncoder.encode(m.first), "encode(${m.first})")
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}
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}
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@Test
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fun `Main Decode`() {
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for (m in validMap) {
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val result: UrlEncoder.MainResult = processMain(arrayOf("-d", m.second))
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assertEquals(m.first, result.output)
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assertEquals(0, result.status, "processMain(-d ${m.second}).status")
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}
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}
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@Test
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fun `Main Decode with Exception`() {
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for (source in invalid) {
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assertFailsWith<IllegalArgumentException>(
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message = source,
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block = { processMain(arrayOf("-d", source)) }
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)
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}
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}
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@Test
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fun `Main Encode`() {
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for (m in validMap) {
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val result = processMain(arrayOf(m.first))
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assertEquals(m.second, result.output)
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assertEquals(0, result.status, "processMain(-e ${m.first}).status")
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}
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}
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@Test
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fun `Main Encode with Option`() {
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for (m in validMap) {
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val result = processMain(arrayOf("-e", m.first))
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assertEquals(m.second, result.output)
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assertEquals(0, result.status, "processMain(-e ${m.first}).status")
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}
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}
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@Test
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fun `Main Usage with Empty Args`() {
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assertEquals(usage, processMain(arrayOf(" ", " ")).output, "processMain(' ', ' ')")
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assertEquals(usage, processMain(arrayOf("foo", " ")).output, "processMain('foo', ' ')")
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assertEquals(usage, processMain(arrayOf(" ", "foo")).output, "processMain(' ', 'foo')")
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assertEquals(usage, processMain(arrayOf("-d ", "")).output, "processMain('-d', '')")
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assertEquals("%20", processMain(arrayOf("-e", " ")).output, "processMain('-e', ' ')")
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assertEquals(" ", processMain(arrayOf("-d", " ")).output, "processMain('-d', ' ')")
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}
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@Test
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fun `Main Usage with Invalid arg`() {
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for (arg in arrayOf("", "-d", "-e")) {
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val result = processMain(arrayOf(arg))
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assertEquals(usage, result.output, "processMain('$arg')")
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assertEquals(1, result.status, "processMain('$arg').status")
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}
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}
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@Test
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fun `Main Usage with too Many Args`() {
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assertEquals(usage, processMain(arrayOf("foo", "bar", "test")).output, "too many args")
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}
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}
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