test: add unit tests to MatchMapper.kt

app/src/test/java/xyz/leomurca/csgomatches/data/mapper/MatchMapperTest.kt

@@ -0,0 +1,131 @@
+package xyz.leomurca.csgomatches.data.mapper
+
+import xyz.leomurca.csgomatches.data.model.LeagueDto
+import xyz.leomurca.csgomatches.data.model.MatchDto
+import xyz.leomurca.csgomatches.data.model.OpponentDto
+import xyz.leomurca.csgomatches.data.model.OpponentRecord
+import xyz.leomurca.csgomatches.data.model.PlayerDto
+import xyz.leomurca.csgomatches.data.model.SerieDto
+import xyz.leomurca.csgomatches.data.model.TeamDetailsDto
+import xyz.leomurca.csgomatches.domain.model.MatchStatus
+import java.time.ZonedDateTime
+import kotlin.test.Test
+import kotlin.test.assertEquals
+import kotlin.test.assertNull
+
+class MatchMapperTest {
+
+    @Test
+    fun `MatchDto - toDomain converts correctly with all fields`() {
+        // Arrange
+        val beginAt = ZonedDateTime.parse("2025-07-19T10:00:00Z")
+        val dto = MatchDto(
+            beginAt = beginAt,
+            opponents = listOf(
+                OpponentDto(
+                    type = "Team",
+                    opponent = OpponentRecord(id = 1, name = "Team A", imageUrl = "urlA")
+                ),
+                OpponentDto(
+                    type = "Team",
+                    opponent = OpponentRecord(id = 2, name = "Team B", imageUrl = "urlB")
+                )
+            ),
+            league = LeagueDto(id = 10, name = "CS League", imageUrl = "leagueUrl"),
+            serie = SerieDto(id = 20, fullName = "Serie X"),
+            status = "running"
+        )
+
+        // Act
+        val domain = dto.toDomain()
+
+        // Assert
+        assertEquals(beginAt, domain.beginAt)
+        assertEquals(2, domain.opponents.size)
+        assertEquals("Team A", domain.opponents[0].name)
+        assertEquals("CS League", domain.league.name)
+        assertEquals("Serie X", domain.serie.name)
+        assertEquals(MatchStatus.LIVE, domain.matchStatus)
+    }
+
+    @Test
+    fun `MatchDto - toDomain handles nulls gracefully`() {
+        // Arrange
+        val dto = MatchDto(
+            beginAt = null,
+            opponents = listOf(
+                OpponentDto(type = "Team", OpponentRecord(id = 1, name = null, imageUrl = null))
+            ),
+            league = LeagueDto(id = 11, name = null, imageUrl = null),
+            serie = SerieDto(id = 22, fullName = null),
+            status = null
+        )
+
+        // Act
+        val domain = dto.toDomain()
+
+        // Assert
+        assertNull(domain.beginAt)
+        assertEquals("", domain.opponents[0].name)
+        assertEquals("", domain.opponents[0].imageUrl)
+        assertEquals("", domain.league.name)
+        assertEquals("", domain.league.imageUrl)
+        assertEquals("", domain.serie.name)
+        assertEquals(MatchStatus.UNKNOWN, domain.matchStatus)
+    }
+
+    @Test
+    fun `TeamDetailsDto - toDomain maps all players`() {
+        // Arrange
+        val dto = TeamDetailsDto(
+            id = 101,
+            name = "My Team",
+            imageUrl = "team.png",
+            players = listOf(
+                PlayerDto(
+                    id = 1,
+                    name = "nick",
+                    firstName = "John",
+                    lastName = "Doe",
+                    imageUrl = "img1.png"
+                ),
+                PlayerDto(
+                    id = 2,
+                    name = "nick2",
+                    firstName = "Jane",
+                    lastName = "Smith",
+                    imageUrl = "img2.png"
+                )
+            )
+        )
+
+        // Act
+        val domain = dto.toDomain()
+
+        // Assert
+        assertEquals(101, domain.id)
+        assertEquals("My Team", domain.name)
+        assertEquals(2, domain.players.size)
+        assertEquals("John", domain.players[0].firstName)
+        assertEquals("Smith", domain.players[1].lastName)
+    }
+
+    @Test
+    fun `TeamDetailsDto  - toDomain with empty player list`() {
+        // Arrange
+        val dto = TeamDetailsDto(
+            id = 200,
+            name = "No Players",
+            imageUrl = null,
+            players = emptyList()
+        )
+
+        // Act
+        val domain = dto.toDomain()
+
+        // Assert
+        assertEquals(0, domain.players.size)
+        assertEquals("No Players", domain.name)
+        assertEquals(null, domain.imageUrl)
+    }
+}