From 16feab9655243b9dceed2bcba79e2debd7b402f8 Mon Sep 17 00:00:00 2001
From: Fabrice Lecomte <fabrice.lecomte.be@gmail.com>
Date: Mon, 24 Aug 2020 15:58:48 +0200
Subject: [PATCH] #57 I can filter articles by workgroup

update lib "postgres-json:1.2.1"
---
 .idea/codeStyles/Project.xml                  | 16 +++++++++++++
 .idea/runConfigurations/Check.xml             |  9 +++++++
 .../Lint_Test_Sonar___Run.xml                 |  2 +-
 .idea/runConfigurations/Lint__Test___Run.xml  |  2 +-
 .../{All_Tests___Lint.xml => Unit_Tests.xml}  |  4 +---
 ..._offline_.xml => Unit_Tests__offline_.xml} |  4 +---
 Makefile                                      |  3 +++
 build.gradle.kts                              |  9 +++++--
 src/main/kotlin/entity/Article.kt             | 22 +++++++++++++----
 src/main/kotlin/entity/Constitution.kt        |  4 +++-
 src/main/kotlin/entity/Extra.kt               |  2 +-
 src/main/kotlin/repository/Article.kt         |  7 +++---
 src/main/kotlin/routes/Article.kt             | 24 ++++++++++++-------
 src/main/resources/openapi.yaml               |  8 +++++++
 .../sql/functions/article/find_articles.sql   |  2 ++
 src/test/kotlin/feature/ArticleSteps.kt       | 13 ++++++----
 src/test/resources/feature/articles.feature   | 12 ++++++++++
 src/test/sql/article.sql                      | 11 +++++++++
 src/test/sql/fixtures/3-fixture_workgroup.sql |  3 ++-
 19 files changed, 125 insertions(+), 32 deletions(-)
 create mode 100644 .idea/runConfigurations/Check.xml
 rename .idea/runConfigurations/{All_Tests___Lint.xml => Unit_Tests.xml} (66%)
 rename .idea/runConfigurations/{All_Tests___Lint__offline_.xml => Unit_Tests__offline_.xml} (67%)

diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
index d68c5c7..6db3ab5 100644
--- a/.idea/codeStyles/Project.xml
+++ b/.idea/codeStyles/Project.xml
@@ -2,6 +2,22 @@
   <code_scheme name="Project" version="173">
     <option name="LINE_SEPARATOR" value="&#10;" />
     <JetCodeStyleSettings>
+      <option name="PACKAGES_TO_USE_STAR_IMPORTS">
+        <value>
+          <package name="java.util" alias="false" withSubpackages="false" />
+          <package name="kotlinx.android.synthetic" alias="false" withSubpackages="true" />
+          <package name="io.ktor" alias="false" withSubpackages="true" />
+        </value>
+      </option>
+      <option name="PACKAGES_IMPORT_LAYOUT">
+        <value>
+          <package name="" alias="false" withSubpackages="true" />
+          <package name="java" alias="false" withSubpackages="true" />
+          <package name="javax" alias="false" withSubpackages="true" />
+          <package name="kotlin" alias="false" withSubpackages="true" />
+          <package name="" alias="true" withSubpackages="true" />
+        </value>
+      </option>
       <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
     </JetCodeStyleSettings>
     <PostgresCodeStyleSettings version="2">
diff --git a/.idea/runConfigurations/Check.xml b/.idea/runConfigurations/Check.xml
new file mode 100644
index 0000000..eb90d35
--- /dev/null
+++ b/.idea/runConfigurations/Check.xml
@@ -0,0 +1,9 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="Check" type="CompoundRunConfigurationType">
+    <toRun name="Unit Tests (offline)" type="JUnit" />
+    <toRun name="Cucumber Tests (offline)" type="JUnit" />
+    <toRun name="Test All SQL" type="ShConfigurationType" />
+    <toRun name="Lint" type="GradleRunConfiguration" />
+    <method v="2" />
+  </configuration>
+</component>
\ No newline at end of file
diff --git a/.idea/runConfigurations/Lint_Test_Sonar___Run.xml b/.idea/runConfigurations/Lint_Test_Sonar___Run.xml
index e5c1ebe..9ba45b3 100644
--- a/.idea/runConfigurations/Lint_Test_Sonar___Run.xml
+++ b/.idea/runConfigurations/Lint_Test_Sonar___Run.xml
@@ -32,7 +32,7 @@
     </extension>
     <GradleScriptDebugEnabled>true</GradleScriptDebugEnabled>
     <method v="2">
-      <option name="RunConfigurationTask" enabled="true" run_configuration_name="All Tests + Lint" run_configuration_type="JUnit" />
+      <option name="RunConfigurationTask" enabled="true" />
       <option name="RunConfigurationTask" enabled="true" run_configuration_name="Sonarqube" run_configuration_type="GradleRunConfiguration" />
     </method>
   </configuration>
diff --git a/.idea/runConfigurations/Lint__Test___Run.xml b/.idea/runConfigurations/Lint__Test___Run.xml
index 7fdee5b..71edebc 100644
--- a/.idea/runConfigurations/Lint__Test___Run.xml
+++ b/.idea/runConfigurations/Lint__Test___Run.xml
@@ -32,7 +32,7 @@
     </extension>
     <GradleScriptDebugEnabled>true</GradleScriptDebugEnabled>
     <method v="2">
-      <option name="RunConfigurationTask" enabled="true" run_configuration_name="All Tests + Lint" run_configuration_type="JUnit" />
+      <option name="RunConfigurationTask" enabled="true" />
     </method>
   </configuration>
 </component>
\ No newline at end of file
diff --git a/.idea/runConfigurations/All_Tests___Lint.xml b/.idea/runConfigurations/Unit_Tests.xml
similarity index 66%
rename from .idea/runConfigurations/All_Tests___Lint.xml
rename to .idea/runConfigurations/Unit_Tests.xml
index ad48e1e..300e5de 100644
--- a/.idea/runConfigurations/All_Tests___Lint.xml
+++ b/.idea/runConfigurations/Unit_Tests.xml
@@ -1,5 +1,5 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="All Tests + Lint" type="JUnit" factoryName="JUnit" show_console_on_std_err="true">
+  <configuration default="false" name="Unit Tests" type="JUnit" factoryName="JUnit" show_console_on_std_err="true">
     <output_file path="$PROJECT_DIR$/var/log/test/out.log" is_save="true" />
     <useClassPathOnly />
     <option name="PACKAGE_NAME" value="fr.dcproject" />
@@ -17,8 +17,6 @@
     <dir value="$PROJECT_DIR$" />
     <method v="2">
       <option name="Make" enabled="true" />
-      <option name="RunConfigurationTask" enabled="true" run_configuration_name="Lint" run_configuration_type="GradleRunConfiguration" />
-      <option name="RunConfigurationTask" enabled="true" run_configuration_name="Test All SQL" run_configuration_type="ShConfigurationType" />
     </method>
   </configuration>
 </component>
\ No newline at end of file
diff --git a/.idea/runConfigurations/All_Tests___Lint__offline_.xml b/.idea/runConfigurations/Unit_Tests__offline_.xml
similarity index 67%
rename from .idea/runConfigurations/All_Tests___Lint__offline_.xml
rename to .idea/runConfigurations/Unit_Tests__offline_.xml
index b0e28ac..159a284 100644
--- a/.idea/runConfigurations/All_Tests___Lint__offline_.xml
+++ b/.idea/runConfigurations/Unit_Tests__offline_.xml
@@ -1,5 +1,5 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="All Tests + Lint (offline)" type="JUnit" factoryName="JUnit" show_console_on_std_err="true">
+  <configuration default="false" name="Unit Tests (offline)" type="JUnit" factoryName="JUnit" show_console_on_std_err="true">
     <output_file path="$PROJECT_DIR$/var/log/test/out.log" is_save="true" />
     <useClassPathOnly />
     <option name="PACKAGE_NAME" value="fr.dcproject" />
@@ -18,8 +18,6 @@
     <tag value="!online" />
     <method v="2">
       <option name="Make" enabled="true" />
-      <option name="RunConfigurationTask" enabled="true" run_configuration_name="Lint" run_configuration_type="GradleRunConfiguration" />
-      <option name="RunConfigurationTask" enabled="true" run_configuration_name="Test All SQL" run_configuration_type="ShConfigurationType" />
     </method>
   </configuration>
 </component>
\ No newline at end of file
diff --git a/Makefile b/Makefile
index 0e0ad58..4115ca7 100644
--- a/Makefile
+++ b/Makefile
@@ -42,6 +42,9 @@ f: fixtures
 fixtures: ## Import fixtures
 	bash src/main/resources/sql/fixtures/fixtures.sh
 
+test-sql: ## Test sql
+	cd src/test/sql/ ; bash test.sh 1
+
 v: vertion
 
 vertion: ## Show current version
diff --git a/build.gradle.kts b/build.gradle.kts
index 92609e5..14a4ff0 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -64,6 +64,11 @@ val sourcesJar by tasks.creating(Jar::class) {
     archiveClassifier.set("sources")
     from(sourceSets.getByName("main").allSource)
 }
+tasks.test {
+    useJUnit()
+    useJUnitPlatform()
+//    maxHeapSize = "1G"
+}
 
 publishing {
     if (versioning.info.dirty == false) {
@@ -87,7 +92,7 @@ publishing {
         }
     } else {
         LoggerFactory.getLogger("gradle")
-            .warn("The git is DIRTY !!! You cannot publish this crap! (${versioning.info.full})")
+            .warn("The git is DIRTY (${versioning.info.full})")
     }
 }
 
@@ -133,7 +138,7 @@ dependencies {
     implementation("net.pearx.kasechange:kasechange-jvm:1.1.0")
     implementation("com.auth0:java-jwt:3.8.2")
     implementation("com.github.jasync-sql:jasync-postgresql:1.0.7")
-    implementation("com.github.flecomte:postgres-json:1.1.1")
+    implementation("com.github.flecomte:postgres-json:1.2.1")
     implementation("com.github.flecomte:ktor-voter:1.0.1")
     implementation("com.sendgrid:sendgrid-java:4.4.1")
     implementation("io.lettuce:lettuce-core:5.2.2.RELEASE")
diff --git a/src/main/kotlin/entity/Article.kt b/src/main/kotlin/entity/Article.kt
index 1e6ae15..335ec1a 100644
--- a/src/main/kotlin/entity/Article.kt
+++ b/src/main/kotlin/entity/Article.kt
@@ -8,7 +8,7 @@ import fr.postgresjson.entity.mutable.UuidEntityVersioning
 import java.util.*
 
 class Article(
-    id: UUID = UUID.randomUUID(),
+    id: UUID? = null,
     title: String,
     override var anonymous: Boolean = true,
     override var content: String,
@@ -27,8 +27,22 @@ class Article(
     }
 }
 
+class ArticleForUpdate(
+    id: UUID?,
+    val title: String,
+    val anonymous: Boolean = true,
+    val content: String,
+    val description: String,
+    tags: List<String> = emptyList(),
+    val draft: Boolean = false,
+    val createdBy: CitizenRef,
+    val workgroup: WorkgroupRef? = null
+) : ArticleRefVersioning(id) {
+    val tags: List<String> = tags.distinct()
+}
+
 open class ArticleSimple(
-    id: UUID = UUID.randomUUID(),
+    id: UUID? = null,
     override var title: String,
     override val createdBy: CitizenBasic,
     override var draft: Boolean = false,
@@ -43,14 +57,14 @@ open class ArticleSimple(
     Opinionable by OpinionableImp()
 
 open class ArticleRefVersioning(
-    id: UUID = UUID.randomUUID(),
+    id: UUID? = null,
     versionNumber: Int? = null,
     versionId: UUID = UUID.randomUUID()
 ) : ArticleRef(id),
     EntityVersioning<UUID, Int> by UuidEntityVersioning(versionNumber, versionId)
 
 open class ArticleRef(
-    id: UUID = UUID.randomUUID()
+    id: UUID? = null
 ) : ArticleI, TargetRef(id)
 
 interface ArticleI : UuidEntityI, TargetI
diff --git a/src/main/kotlin/entity/Constitution.kt b/src/main/kotlin/entity/Constitution.kt
index d1d335d..66ddc2a 100644
--- a/src/main/kotlin/entity/Constitution.kt
+++ b/src/main/kotlin/entity/Constitution.kt
@@ -3,6 +3,8 @@ package fr.dcproject.entity
 import fr.postgresjson.entity.immutable.*
 import fr.postgresjson.entity.mutable.EntityDeletedAt
 import fr.postgresjson.entity.mutable.EntityDeletedAtImp
+import fr.postgresjson.entity.mutable.EntityVersioning
+import fr.postgresjson.entity.mutable.UuidEntityVersioning
 import java.util.*
 
 class Constitution(
@@ -41,7 +43,7 @@ open class ConstitutionSimple<Cr : CitizenRefWithUser, T : ConstitutionSimple.Ti
     override val createdBy: Cr,
     versionId: UUID = UUID.randomUUID()
 ) : ConstitutionRef(id),
-    EntityVersioning<UUID, Int?> by UuidEntityVersioning(versionId = versionId),
+    EntityVersioning<UUID, Int> by UuidEntityVersioning(versionId = versionId),
     EntityCreatedAt by EntityCreatedAtImp(),
     EntityCreatedBy<Cr> by EntityCreatedByImp(createdBy),
     EntityDeletedAt by EntityDeletedAtImp() {
diff --git a/src/main/kotlin/entity/Extra.kt b/src/main/kotlin/entity/Extra.kt
index 8d50f54..ae435f2 100644
--- a/src/main/kotlin/entity/Extra.kt
+++ b/src/main/kotlin/entity/Extra.kt
@@ -15,7 +15,7 @@ interface ExtraI<T : TargetI, C : CitizenI> :
     val target: T
 }
 
-open class TargetRef(id: UUID = UUID.randomUUID(), reference: String = "") : TargetI, UuidEntity(id) {
+open class TargetRef(id: UUID? = null, reference: String = "") : TargetI, UuidEntity(id) {
 
     final override val reference: String
         get() = if (field != "") field else TargetI.getReference(this)
diff --git a/src/main/kotlin/repository/Article.kt b/src/main/kotlin/repository/Article.kt
index b405cff..26dfdab 100644
--- a/src/main/kotlin/repository/Article.kt
+++ b/src/main/kotlin/repository/Article.kt
@@ -1,6 +1,6 @@
 package fr.dcproject.repository
 
-import fr.dcproject.entity.ArticleFull
+import fr.dcproject.entity.ArticleForUpdate
 import fr.dcproject.entity.ArticleSimple
 import fr.postgresjson.connexion.Paginated
 import fr.postgresjson.connexion.Requester
@@ -42,13 +42,14 @@ class Article(override var requester: Requester) : RepositoryI {
             )
     }
 
-    fun upsert(article: ArticleFull): ArticleEntity? {
+    fun upsert(article: ArticleForUpdate): ArticleEntity? {
         return requester
             .getFunction("upsert_article")
             .selectOne("resource" to article)
     }
 
     class Filter(
-        val createdById: String? = null
+        val createdById: String? = null,
+        val workgroupId: String? = null
     ) : Parameter
 }
diff --git a/src/main/kotlin/routes/Article.kt b/src/main/kotlin/routes/Article.kt
index f15dd21..f952dff 100644
--- a/src/main/kotlin/routes/Article.kt
+++ b/src/main/kotlin/routes/Article.kt
@@ -2,6 +2,7 @@ package fr.dcproject.routes
 
 import fr.dcproject.citizen
 import fr.dcproject.citizenOrNull
+import fr.dcproject.entity.ArticleForUpdate
 import fr.dcproject.entity.CitizenRef
 import fr.dcproject.entity.WorkgroupRef
 import fr.dcproject.entity.WorkgroupSimple
@@ -39,7 +40,8 @@ object ArticlesPaths {
         val sort: String? = null,
         val direction: RepositoryI.Direction? = null,
         val search: String? = null,
-        val createdBy: String? = null
+        val createdBy: String? = null,
+        val workgroup: String? = null
     ) {
         val page: Int = if (page < 1) 1 else page
         val limit: Int = if (limit > 50) 50 else if (limit < 1) 1 else limit
@@ -62,7 +64,7 @@ object ArticlesPaths {
     }
 
     @Location("/articles")
-    class PostArticleRequest: KoinComponent {
+    class PostArticleRequest : KoinComponent {
         class Article(
             val id: UUID?,
             val title: String,
@@ -77,8 +79,8 @@ object ArticlesPaths {
 
         private val workgroupRepository: WorkgroupRepository by inject()
 
-        suspend fun getNewArticle(call: ApplicationCall): ArticleEntity = call.receive<Article>().run {
-            ArticleEntity(
+        suspend fun getNewArticle(call: ApplicationCall): ArticleForUpdate = call.receive<Article>().run {
+            ArticleForUpdate(
                 id ?: UUID.randomUUID(),
                 title,
                 anonymous,
@@ -98,8 +100,14 @@ object ArticlesPaths {
 @KtorExperimentalLocationsAPI
 fun Route.article(repo: ArticleRepository, viewManager: ArticleViewManager) {
     get<ArticlesPaths.ArticlesRequest> {
-        val articles =
-            repo.find(it.page, it.limit, it.sort, it.direction, it.search, Filter(createdById = it.createdBy))
+        val articles = repo.find(
+            it.page,
+            it.limit,
+            it.sort,
+            it.direction,
+            it.search,
+            Filter(createdById = it.createdBy, workgroupId = it.workgroup)
+        )
         assertCan(VIEW, articles.result)
         call.respond(articles)
     }
@@ -127,9 +135,9 @@ fun Route.article(repo: ArticleRepository, viewManager: ArticleViewManager) {
     post<ArticlesPaths.PostArticleRequest> {
         it.getNewArticle(call).also { article ->
             assertCan(CREATE, article)
-            repo.upsert(article)
+            val newArticle = repo.upsert(article) ?: error("Article not updated")
             call.respond(article)
-            raiseEvent(ArticleUpdate.event, ArticleUpdate(article))
+            raiseEvent(ArticleUpdate.event, ArticleUpdate(newArticle))
         }
     }
 }
diff --git a/src/main/resources/openapi.yaml b/src/main/resources/openapi.yaml
index 49b6c91..d213cc9 100644
--- a/src/main/resources/openapi.yaml
+++ b/src/main/resources/openapi.yaml
@@ -218,6 +218,14 @@ paths:
         - $ref: '#/components/parameters/direction'
         - $ref: '#/components/parameters/search'
         - $ref: '#/components/parameters/createdBy'
+        - name: workgroup
+          in: query
+          description: ID of workgroup
+          example: 82a0e60a-bb55-dbc0-1c3d-0a804df2b5df
+          required: false
+          schema:
+            type: string
+            format: uuid
       responses:
         200:
           description: The Article objects
diff --git a/src/main/resources/sql/functions/article/find_articles.sql b/src/main/resources/sql/functions/article/find_articles.sql
index d19e970..eed518b 100644
--- a/src/main/resources/sql/functions/article/find_articles.sql
+++ b/src/main/resources/sql/functions/article/find_articles.sql
@@ -15,6 +15,7 @@ begin
         from article a
         where (_search is null or _search = '' or a ==> dsl.multi_match('{title^3, content, description, tags}', _search))
           and (_filter->>'created_by_id' is null or a.created_by_id = (_filter->>'created_by_id')::uuid)
+          and (_filter->>'workgroup_id' is null or a.workgroup_id = (_filter->>'workgroup_id')::uuid)
           and a.last_version = true
         )
     into resource, total
@@ -33,6 +34,7 @@ begin
            or a ==> dsl.multi_match('{title^3, content, description, tags}', _search)
         )
           and (_filter->>'created_by_id' is null or a.created_by_id = (_filter->>'created_by_id')::uuid)
+          and (_filter->>'workgroup_id' is null or a.workgroup_id = (_filter->>'workgroup_id')::uuid)
           and a.last_version = true
 
         order by
diff --git a/src/test/kotlin/feature/ArticleSteps.kt b/src/test/kotlin/feature/ArticleSteps.kt
index 03b3602..744c4bf 100644
--- a/src/test/kotlin/feature/ArticleSteps.kt
+++ b/src/test/kotlin/feature/ArticleSteps.kt
@@ -31,6 +31,10 @@ class ArticleSteps : En, KoinTest {
             createArticle(id = UUID.fromString(id))
         }
 
+        Given("I have article created by workgroup ID {string}") { id: String ->
+            createArticle(workgroup = WorkgroupRef(UUID.fromString(id)))
+        }
+
         Given("I have comment created by {word} {word} on article {string}:") { firstName: String, lastName: String, articleId: String, extraData: DataTable? ->
             commentArticle(articleId, firstName, lastName, extraData)
         }
@@ -39,7 +43,7 @@ class ArticleSteps : En, KoinTest {
         }
     }
 
-    private fun createArticle(extraData: DataTable? = null, id: UUID? = null) {
+    private fun createArticle(extraData: DataTable? = null, id: UUID? = null, workgroup: WorkgroupRef? = null) {
         val params = extraData?.asMap<String, String>(String::class.java, String::class.java)
         val createdByUsername = params?.get("createdBy")
         val username = (createdByUsername ?: "username" + UUID.randomUUID().toString())
@@ -63,12 +67,13 @@ class ArticleSteps : En, KoinTest {
             }
         }
 
-        val article = ArticleEntity(
-            id = id ?: params?.get("id")?.toUUID() ?: UUID.randomUUID(),
+        val article = ArticleForUpdate(
+            id = id ?: params?.get("id")?.toUUID(),
             title = "hello",
             content = "bla bla bla",
             description = "A super article",
-            createdBy = createdBy
+            createdBy = createdBy,
+            workgroup = workgroup
         )
         get<ArticleRepository>().upsert(article)
     }
diff --git a/src/test/resources/feature/articles.feature b/src/test/resources/feature/articles.feature
index 56174b1..3d1b6e1 100644
--- a/src/test/resources/feature/articles.feature
+++ b/src/test/resources/feature/articles.feature
@@ -6,6 +6,18 @@ Feature: articles routes
     When I send a GET request to "/articles"
     Then the response status code should be 200
 
+  Scenario: Can get articles filtered by workgroup
+    Given I have 3 article
+    And I have workgroup:
+      | id   | 2bccd5a7-9082-4b31-88f8-e25d70b22b12 |
+      | name | Les papy                             |
+    And I have article created by workgroup ID "2bccd5a7-9082-4b31-88f8-e25d70b22b12"
+    When I send a GET request to "/articles?workgroup=2bccd5a7-9082-4b31-88f8-e25d70b22b12"
+    Then the response status code should be 200
+    And the JSON should contain:
+      | total                   | 1        |
+      | result[0]workgroup.name | Les papy |
+
   Scenario: Can get versions of article by the id
     Given I have article
       | id | 13e6091c-8fed-4600-b079-a97a6b7a9800 |
diff --git a/src/test/sql/article.sql b/src/test/sql/article.sql
index f3e6554..04f8bc7 100644
--- a/src/test/sql/article.sql
+++ b/src/test/sql/article.sql
@@ -2,7 +2,9 @@ do
 $$
 declare
     _citizen_id      uuid := fixture_citizen();
+    _workgroup_id uuid := fixture_workgroup(_citizen_id => _citizen_id);
     created_article  json := '{"version_id":"933b6a1b-50c9-42b6-989f-c02a57814ef9", "title": "Love the world", "anonymous": false, "content": "bla bal bla", "tags": ["love", "test"], "draft":false}';
+    created_article_grouped  json := '{"version_id":"35f5c4c3-0629-4405-9956-12557020c9f5", "title": "Love my group", "anonymous": false, "content": "groupy groupy", "tags": ["love", "group"], "draft":false}';
     created_article_v2 json;
     first_article_id uuid;
     second_article_id uuid;
@@ -25,12 +27,21 @@ begin
     assert (created_article_v2->>'last_version')::bool = true, 'The second insert must be set to the last version';
     second_article_id = (created_article_v2->>'id')::uuid;
 
+    created_article_grouped := jsonb_set(created_article_grouped::jsonb, '{created_by}'::text[], jsonb_build_object('id', _citizen_id::text), true)::json;
+    created_article_grouped := jsonb_set(created_article_grouped::jsonb, '{workgroup}'::text[], jsonb_build_object('id', _workgroup_id::text), true)::json;
+    select upsert_article(created_article_grouped) into created_article_grouped;
+
     -- get articles versions by version_id
     select resource, total into selected_article, selected_total from find_articles_versions_by_version_id((created_article->>'version_id')::uuid);
     assert selected_article#>>'{0,title}' = 'Love the world', format('title must be "Love the world", %s', selected_article#>>'{0,title}');
     assert (selected_article#>>'{0,version_number}')::int = 2, format('version_id must be 2, %s instead', selected_article#>>'{0,version_number}');
     assert selected_total = 2, format('the total must be 2, %s instead', selected_total);
 
+    -- get articles by workgroup id
+    select resource, total into selected_article, selected_total from find_articles(_filter => json_build_object('workgroup_id', _workgroup_id));
+    assert selected_article#>>'{0,title}' = 'Love my group', format('title must be "Love my group", %s', selected_article#>>'{0,title}');
+    assert selected_total = 1, format('the total must be 1, %s instead', selected_total);
+
     -- get articles versions by id
     select resource, total into selected_article, selected_total from find_articles_versions_by_id((created_article->>'id')::uuid);
     assert selected_article#>>'{0,title}' = 'Love the world', format('title must be "Love the world", %s', selected_article#>>'{0,title}');
diff --git a/src/test/sql/fixtures/3-fixture_workgroup.sql b/src/test/sql/fixtures/3-fixture_workgroup.sql
index 0390263..b6676ff 100644
--- a/src/test/sql/fixtures/3-fixture_workgroup.sql
+++ b/src/test/sql/fixtures/3-fixture_workgroup.sql
@@ -1,4 +1,4 @@
-create or replace function fixture_workgroup(in name text default 'vert', _citizen_id uuid default fixture_citizen(), out _article_id uuid)
+create or replace function fixture_workgroup(in name text default 'vert', _citizen_id uuid default fixture_citizen(), out _workgroup_id uuid)
     language plpgsql as
 $$
 declare
@@ -23,6 +23,7 @@ begin
 
     -- upsert workgroup
     select upsert_workgroup(created_workgroup) into created_workgroup;
+    select (created_workgroup->>'id')::uuid into _workgroup_id;
     assert created_workgroup->>'description' is not null, 'description should not be null';
 end;
 $$;