grain.social/grain-android

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package social.grain

import kotlinx.serialization.json.Json
import org.junit.Assert.assertEquals
import org.junit.Assert.assertNull
import org.junit.Assert.assertTrue
import org.junit.Test
import social.grain.data.api.SearchProfilesResponse

/**
 * Profile search reuses ActorListItem, the same model the follower and
 * favourite lists decode into. A field typed wrong breaks all of them at once.
 * The fixture is a real response from the appview.
 */
class SearchDecodeTest {

    private val json = Json {
        ignoreUnknownKeys = true
        explicitNulls = false
        coerceInputValues = true
    }

    @Test
    fun `a real profile search response decodes`() {
        val fixture = """
            {
              "items": [
                {
                  "did": "did:plc:bcgltzqazw5tb6k2g3ttenbj",
                  "handle": "chadtmiller.com",
                  "displayName": "chad",
                  "description": "building @grain.social, suuuup",
                  "avatar": "https://cdn.grain.social/x/avatar/plain/did:plc:bcgltzqazw5tb6k2g3ttenbj/y"
                }
              ],
              "cursor": "abc"
            }
        """.trimIndent()

        val response = json.decodeFromString<SearchProfilesResponse>(fixture)
        val profile = response.items!!.single()

        assertEquals("chadtmiller.com", profile.handle)
        assertEquals("chad", profile.displayName)
        assertTrue(profile.avatar!!.startsWith("https://"))
        assertEquals("abc", response.cursor)
    }

    @Test
    fun `no matches decodes to an empty list rather than failing`() {
        val response = json.decodeFromString<SearchProfilesResponse>("""{"items":[]}""")
        assertTrue(response.items!!.isEmpty())
        assertNull(response.cursor)
    }

    @Test
    fun `a result missing optional fields decodes`() {
        val response = json.decodeFromString<SearchProfilesResponse>(
            """{"items":[{"did":"did:plc:sparse","handle":"sparse.test"}]}""",
        )
        val profile = response.items!!.single()
        assertNull(profile.displayName)
        assertNull(profile.description)
    }
}