briar-headless: Add Kotlin and first unit test for blogs with Mockk

briar-headless/src/test/java/org/briarproject/briar/headless/blogs/BlogControllerTest.kt

@@ -0,0 +1,63 @@
+package org.briarproject.briar.headless.blogs
+
+import io.javalin.Context
+import io.mockk.every
+import io.mockk.mockk
+import io.mockk.slot
+import io.mockk.verifySequence
+import org.briarproject.bramble.api.identity.Author.Status.OURSELVES
+import org.briarproject.bramble.api.identity.IdentityManager
+import org.briarproject.bramble.api.system.Clock
+import org.briarproject.bramble.test.TestUtils.*
+import org.briarproject.bramble.util.StringUtils.getRandomString
+import org.briarproject.briar.api.blog.Blog
+import org.briarproject.briar.api.blog.BlogManager
+import org.briarproject.briar.api.blog.BlogPostFactory
+import org.briarproject.briar.api.blog.BlogPostHeader
+import org.briarproject.briar.api.blog.MessageType.POST
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Test
+
+class BlogControllerTest {
+
+    private val blogManager = mockk<BlogManager>()
+    private val blogPostFactory = mockk<BlogPostFactory>()
+    private val identityManager = mockk<IdentityManager>()
+    private val clock = mockk<Clock>()
+    private val ctx = mockk<Context>()
+
+    private val blogController =
+            BlogController(blogManager, blogPostFactory, identityManager, clock)
+
+    private val group = getGroup(getClientId(), 0)
+    private val author = getAuthor()
+    private val blog = Blog(group, author, false)
+    private val message = getMessage(group.id)
+    private val body = getRandomString(5)
+
+    @Test
+    fun testList() {
+        val header = BlogPostHeader(POST, group.id, message.id, null, 0, 0, author, OURSELVES, true,
+                true)
+        val slot = slot<List<OutputBlogPost>>()
+
+        every { blogManager.blogs } returns listOf(blog)
+        every { blogManager.getPostHeaders(any()) } returns listOf(header)
+        every { blogManager.getPostBody(any()) } returns body
+        every { ctx.json(capture(slot)) } returns ctx
+
+        blogController.listPosts(ctx)
+
+        assertEquals(1, slot.captured.size)
+        assertEquals(header.id.bytes, slot.captured[0].id)
+        assertEquals(body, slot.captured[0].body)
+
+        verifySequence {
+            blogManager.blogs
+            blogManager.getPostHeaders(group.id)
+            blogManager.getPostBody(message.id)
+            ctx.json(slot.captured)
+        }
+    }
+
+}