Add Tests

.github/workflows/tests.yml

@@ -53,6 +53,19 @@ jobs:
         gradle-version: '7.1'
         arguments: test
 
+    - name: Coverage
+      uses: eskatos/gradle-command-action@v1
+      with:
+        gradle-version: '7.1'
+        arguments: jacocoTestReport
+
+    - name: Cache SonarCloud packages
+      uses: actions/cache@v1
+      with:
+        path: ~/.sonar/cache
+        key: ${{ runner.os }}-sonar
+        restore-keys: ${{ runner.os }}-sonar
+
     - name: Push analyse to sonarqube
       uses: eskatos/gradle-command-action@v1
       env:

README.md

@@ -0,0 +1,8 @@
+# access-control
+Helpers to create Access Control
+
+[![Tests](https://github.com/flecomte/access-control/actions/workflows/tests.yml/badge.svg)](https://github.com/flecomte/access-control/actions/workflows/tests.yml)
+[![Coverage](https://sonarcloud.io/api/project_badges/measure?project=flecomte_access-control&metric=coverage)](https://sonarcloud.io/dashboard?id=flecomte_access-control)
+
+[![Maintainability Rating](https://sonarcloud.io/api/project_badges/measure?project=flecomte_access-control&metric=sqale_rating)](https://sonarcloud.io/dashboard?id=flecomte_access-control)
+[![Lines of Code](https://sonarcloud.io/api/project_badges/measure?project=flecomte_access-control&metric=ncloc)](https://sonarcloud.io/dashboard?id=flecomte_access-control)

build.gradle.kts

@@ -3,6 +3,7 @@ plugins {
     `maven-publish`
     kotlin("jvm") version "+"
     id("net.nemerosa.versioning") version "+"
+    id("org.jlleitschuh.gradle.ktlint") version "+"
     id("org.sonarqube") version "+"
 }
 
@@ -15,6 +16,14 @@ version = versioning.info.run {
     }
 }
 
+tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile> {
+    kotlinOptions {
+        jvmTarget = "11"
+        sourceCompatibility = "11"
+        targetCompatibility = "11"
+    }
+}
+
 tasks.jacocoTestReport {
     dependsOn(tasks.test)
     reports {
@@ -61,3 +70,11 @@ publishing {
 repositories {
     mavenCentral()
 }
+
+tasks.test {
+    useJUnitPlatform()
+}
+
+dependencies {
+    testImplementation("org.junit.jupiter:junit-jupiter:5.7.+")
+}

gradle.properties

@@ -1,6 +1,6 @@
 kotlin.code.style=official
 systemProp.sonar.host.url=https://sonarcloud.io
-systemProp.sonar.projectKey=AccessControl
+systemProp.sonar.projectKey=flecomte_access-control
 systemProp.sonar.projectName=AccessControl
 systemProp.sonar.organization=flecomte
 systemProp.sonar.java.coveragePlugin=jacoco

settings.gradle.kts

@@ -1,2 +1 @@
 rootProject.name = "access-control"
-

src/main/kotlin/io/github/flecomte/AccessControl.kt

@@ -1,4 +1,4 @@
-package fr.dcproject.common.security
+package io.github.flecomte
 
 /** Responses of AccessControl */
 enum class AccessDecision {
@@ -25,19 +25,17 @@ abstract class AccessControl {
      */
     protected fun denied(message: String, code: String): DeniedResponse = DeniedResponse(this, message, code)
 
-    /**
-     * Check all responses and return DENIED if one is DENIED
-     *
-     * If the list of responses is empty, return GRANTED
-     */
-    private fun AccessResponses.getOneResponse(): AccessResponse = this.firstOrNull { it.decision == AccessDecision.DENIED } ?: granted()
-
     /**
      * A helper to convert a list of subject into one response
      */
-    protected fun <S : List<T>, T> canAll(items: S, action: (T) -> AccessResponse): AccessResponse = items
-        .map { action(it) }
-        .getOneResponse()
+    protected fun <S : List<T>, T> canAll(items: S, action: (T) -> AccessResponse): AccessResponses = items
+        .map { action(it) }.let { responses ->
+            if (responses.any { it is DeniedResponse }) {
+                DeniedResponses(responses)
+            } else {
+                GrantedResponses(responses)
+            }
+        }
 }
 
 /**
@@ -47,49 +45,65 @@ fun <T : AccessControl> T.assert(action: T.() -> AccessResponse) {
     action().assert()
 }
 
+typealias AccessResponses = List<AccessResponse>
+
 /**
  * Check all responses and return DENIED if one is DENIED
  *
  * If the list of responses is empty, return GRANTED
  */
-fun AccessResponses.getOneResponse(): AccessResponse = this.firstOrNull { it.decision == AccessDecision.DENIED } ?: GrantedResponse(first().accessControl)
+fun AccessResponses.getFirstDecisionResponse(): AccessResponse = this.firstOrNull { it.decision == AccessDecision.DENIED } ?: this.first { it.decision == AccessDecision.GRANTED }
 
 /**
  * Throw an Exception if one response is DENIED
  */
-fun AccessResponses.assert() = this.getOneResponse().assert()
+fun AccessResponses.assert() {
+    if (!toBoolean()) {
+        throw AccessDeniedException(this)
+    }
+}
+val AccessResponses.grantedResponses get(): AccessResponses = this.filterIsInstance<GrantedResponse>()
+val AccessResponses.deniedResponses get(): AccessResponses = this.filterIsInstance<DeniedResponse>()
 
-class AccessDeniedException(private val accessResponses: AccessResponses) : Throwable(accessResponses.first().message) {
+/**
+ * Convert responses as boolean
+ */
+fun AccessResponses.toBoolean(): Boolean = deniedResponses.isEmpty()
+
+class AccessDeniedException(val accessResponses: AccessResponses) : Throwable(accessResponses.deniedResponses.first().message) {
     constructor(accessResponse: AccessResponse) : this(listOf(accessResponse))
 
     /**
      * Get first response
      */
-    fun first(): AccessResponse = accessResponses.first()
+    fun first(): AccessResponse = accessResponses.deniedResponses.first()
 
     /**
      * Check if the error code is present into the responses
      */
     fun hasErrorCode(code: String): Boolean = accessResponses
-        .filter { it.decision == AccessDecision.DENIED }
+        .deniedResponses
         .any { it.code == code }
 
     /**
      * Find and return the response than match with the error code
      */
     fun getErrorCode(code: String): AccessResponse? = accessResponses
-        .firstOrNull { it.decision == AccessDecision.DENIED && it.code == code }
+        .deniedResponses
+        .firstOrNull { it.code == code }
 
     /**
      * Get a list of messages of all responses
      */
     fun getMessages(): List<String> = accessResponses
-        .mapNotNull { it.message }
+        .deniedResponses
+        .map { it.message!! }
 
     /**
      * Get the first message
      */
     fun getFirstMessage(): String? = accessResponses
+        .deniedResponses
         .first()
         .message
 }
@@ -120,16 +134,32 @@ sealed class AccessResponse(
     }
 }
 
-class GrantedResponse(
+open class GrantedResponse(
     accessControl: AccessControl,
     message: String? = null,
     code: String? = null
 ) : AccessResponse(AccessDecision.GRANTED, accessControl, message, code)
 
-class DeniedResponse(
+open class DeniedResponse(
     accessControl: AccessControl,
     message: String,
     code: String
 ) : AccessResponse(AccessDecision.DENIED, accessControl, message, code)
 
-typealias AccessResponses = List<AccessResponse>
+class GrantedResponses(
+    accessResponses: List<AccessResponse>
+) : AccessResponses by accessResponses,
+    GrantedResponse(
+        accessResponses.grantedResponses.first().accessControl,
+        accessResponses.grantedResponses.first().message,
+        accessResponses.grantedResponses.first().code
+    )
+
+class DeniedResponses(
+    accessResponses: List<AccessResponse>
+) : AccessResponses by accessResponses,
+    DeniedResponse(
+        accessResponses.deniedResponses.first().accessControl,
+        accessResponses.deniedResponses.firstOrNull()?.message ?: error("DeniedResponses cannot be empty"),
+        accessResponses.deniedResponses.firstOrNull()?.code ?: error("DeniedResponses cannot be empty")
+    )

src/test/kotlin/io/github/flecomte/AccessControlTest.kt

@@ -0,0 +1,144 @@
+package io.github.flecomte
+
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Assertions.assertFalse
+import org.junit.jupiter.api.Assertions.assertThrows
+import org.junit.jupiter.api.Assertions.assertTrue
+import org.junit.jupiter.api.Test
+
+data class User(
+    val name: String
+)
+data class MyObject(
+    val title: String
+)
+
+class AccessControlSample : AccessControl() {
+    fun canView(myObject: MyObject, user: User?): AccessResponse {
+        return if (myObject.title == "granted" && user != null) {
+            granted("ok")
+        } else if (myObject.title == "wrong2") {
+            denied("KO2", "ko2")
+        } else {
+            denied("KO", "ko")
+        }
+    }
+
+    fun canView(myObjects: List<MyObject>, user: User?): AccessResponses {
+        return canAll(myObjects) { canView(it, user) }
+    }
+}
+
+class AccessControlTest {
+    @Test
+    fun `test granted`() {
+        AccessControlSample().run {
+            assertTrue(canView(MyObject("granted"), User("")).toBoolean())
+        }
+    }
+
+    @Test
+    fun `test denied`() {
+        AccessControlSample().run {
+            assertFalse(canView(MyObject("wrong"), User("")).toBoolean())
+        }
+    }
+
+    @Test
+    fun `test canAllGranted`() {
+        AccessControlSample().run {
+            assertTrue(
+                canView(
+                    listOf(
+                        MyObject("granted"),
+                        MyObject("granted")
+                    ),
+                    User("")
+                ).first().toBoolean()
+            )
+        }
+    }
+
+    @Test
+    fun `test CanAllDenied`() {
+        AccessControlSample().run {
+            assertFalse(
+                canView(
+                    listOf(
+                        MyObject("granted"),
+                        MyObject("wrong")
+                    ),
+                    User("")
+                ).toBoolean()
+            )
+        }
+    }
+
+    @Test
+    fun `test Assert on fail`() {
+        assertThrows(AccessDeniedException::class.java) {
+            AccessControlSample().canView(MyObject("denied"), User("")).assert()
+        }
+    }
+
+    @Test
+    fun `test Assert on success`() {
+        AccessControlSample().assert { canView(MyObject("granted"), User("")) }
+    }
+
+    @Test
+    fun `Exception tests`() {
+        assertThrows(AccessDeniedException::class.java) {
+            AccessControlSample().canView(listOf(MyObject("wrong"), MyObject("granted"), MyObject("wrong2")), User("")).assert()
+        }.run {
+            assertEquals("ko", first().code)
+            assertTrue(hasErrorCode("ko"))
+            assertFalse(hasErrorCode("notExists"))
+            assertEquals("ko", getErrorCode("ko")?.code)
+            assertEquals(null, getErrorCode("notExists")?.code)
+            assertEquals("KO2", getMessages().last())
+            assertEquals("KO", getFirstMessage())
+        }
+    }
+
+    @Test
+    fun `Assert success`() {
+        AccessControlSample()
+            .canView(listOf(MyObject("granted"), MyObject("granted")), User(""))
+            .assert()
+    }
+
+    @Test
+    fun `test getFirstDecisionResponse`() {
+        AccessControlSample()
+            .canView(listOf(MyObject("granted"), MyObject("granted")), User(""))
+            .getFirstDecisionResponse()
+            .run {
+                assertTrue(decision.toBoolean())
+            }
+    }
+
+    @Test
+    fun `test getFirstDecisionResponse on denied`() {
+        AccessControlSample()
+            .canView(listOf(MyObject("granted"), MyObject("denied")), User(""))
+            .getFirstDecisionResponse()
+            .run {
+                assertFalse(decision.toBoolean())
+            }
+    }
+
+    @Test
+    fun `GrantedResponse instantiation test`() {
+        assertEquals(AccessDecision.GRANTED, GrantedResponse(AccessControlSample()).decision)
+    }
+
+    @Test
+    fun `DeniedResponses must be throw exception if have no denied responses`() {
+        assertThrows(Exception::class.java) {
+            DeniedResponses(
+                listOf(GrantedResponse(AccessControlSample())),
+            )
+        }
+    }
+}