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Commit 565be57

Browse files
finish PostRepository tests and implementation for Coroutines
1 parent a0b5172 commit 565be57

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5 files changed

+154
-14
lines changed

5 files changed

+154
-14
lines changed

‎libraries/data/src/main/java/com/smarttoolfactory/data/repository/PostRepository.kt‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -9,10 +9,10 @@ import com.smarttoolfactory.data.model.PostEntity
99
*/
1010
interface PostRepository {
1111

12-
suspend fun getPostEntitiesFromLocal(): List<PostEntity>
13-
1412
suspend fun fetchEntitiesFromRemote(): List<PostEntity>
1513

14+
suspend fun getPostEntitiesFromLocal(): List<PostEntity>
15+
1616
suspend fun savePostEntities(postEntities: List<PostEntity>)
1717

1818
suspend fun deletePostEntities()

‎libraries/data/src/main/java/com/smarttoolfactory/data/repository/PostRepositoryImpl.kt‎

Lines changed: 9 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -4,6 +4,7 @@ import com.smarttoolfactory.data.mapper.DTOtoEntityMapper
44
import com.smarttoolfactory.data.model.PostEntity
55
import com.smarttoolfactory.data.source.LocalPostDataSourceCoroutines
66
import com.smarttoolfactory.data.source.RemotePostDataSourceCoroutines
7+
import javax.inject.Inject
78

89
/**
910
* Repository for persistence layer. Local Data source acts as Single Source of Truth
@@ -20,26 +21,27 @@ import com.smarttoolfactory.data.source.RemotePostDataSourceCoroutines
2021
* this [PostRepository] as dependency.
2122
*
2223
*/
23-
class PostRepositoryCoroutinesImpl(
24+
class PostRepositoryCoroutinesImpl @Inject constructor(
2425
private val localPostDataSource: LocalPostDataSourceCoroutines,
2526
private val remotePostDataSource: RemotePostDataSourceCoroutines,
2627
private val mapper: DTOtoEntityMapper
2728
) : PostRepository {
2829

29-
override suspend fun getPostEntitiesFromLocal(): List<PostEntity> {
30-
TODO("Not yet implemented")
30+
override suspend fun fetchEntitiesFromRemote(): List<PostEntity> {
31+
val postDTOList = remotePostDataSource.getPostDTOs()
32+
return mapper.map(postDTOList)
3133
}
3234

33-
override suspend fun fetchEntitiesFromRemote(): List<PostEntity> {
34-
TODO("Not yet implemented")
35+
override suspend fun getPostEntitiesFromLocal(): List<PostEntity> {
36+
return localPostDataSource.getPostEntities()
3537
}
3638

3739
override suspend fun savePostEntities(postEntities: List<PostEntity>) {
38-
TODO("Not yet implemented")
40+
localPostDataSource.saveEntities(postEntities)
3941
}
4042

4143
override suspend fun deletePostEntities() {
42-
TODO("Not yet implemented")
44+
localPostDataSource.deletePostEntities()
4345
}
4446
}
4547

Lines changed: 139 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,17 +1,155 @@
11
package com.smarttoolfactory.data.repository
22

3+
import com.google.common.truth.Truth
4+
import com.smarttoolfactory.data.mapper.DTOtoEntityMapper
5+
import com.smarttoolfactory.data.model.PostDTO
6+
import com.smarttoolfactory.data.model.PostEntity
7+
import com.smarttoolfactory.data.source.LocalPostDataSourceCoroutines
8+
import com.smarttoolfactory.data.source.RemotePostDataSourceCoroutines
9+
import com.smarttoolfactory.test_utils.RESPONSE_JSON_PATH
10+
import com.smarttoolfactory.test_utils.util.convertFromJsonToListOf
11+
import com.smarttoolfactory.test_utils.util.getResourceAsText
12+
import io.mockk.clearMocks
13+
import io.mockk.coEvery
14+
import io.mockk.coVerify
15+
import io.mockk.coVerifyOrder
16+
import io.mockk.every
17+
import io.mockk.just
18+
import io.mockk.mockk
19+
import io.mockk.runs
20+
import io.mockk.verify
21+
import kotlinx.coroutines.test.runBlockingTest
322
import org.junit.jupiter.api.AfterEach
423
import org.junit.jupiter.api.BeforeEach
24+
import org.junit.jupiter.api.Test
525
import org.junit.jupiter.api.TestInstance
626

727
@TestInstance(TestInstance.Lifecycle.PER_CLASS)
8-
internal class PostRepositoryCoroutinesTest {
28+
class PostRepositoryCoroutinesTest {
29+
30+
companion object {
31+
32+
val postDTOList =
33+
convertFromJsonToListOf<PostDTO>(getResourceAsText(RESPONSE_JSON_PATH))!!
34+
35+
val postEntityList =
36+
convertFromJsonToListOf<PostEntity>(getResourceAsText(RESPONSE_JSON_PATH))!!
37+
}
38+
39+
private lateinit var repository: PostRepositoryCoroutinesImpl
40+
41+
private val localPostDataSource: LocalPostDataSourceCoroutines = mockk()
42+
private val remotePostDataSource: RemotePostDataSourceCoroutines = mockk()
43+
private val mapper: DTOtoEntityMapper = mockk()
44+
45+
@Test
46+
fun `given network error occurred, should throw Exception`() = runBlockingTest {
47+
48+
// GIVEN
49+
coEvery { remotePostDataSource.getPostDTOs() } throws Exception("Network Exception")
50+
every { mapper.map(postDTOList) } returns postEntityList
51+
52+
// WHEN
53+
val expected = try {
54+
remotePostDataSource.getPostDTOs()
55+
} catch (e: Exception) {
56+
e
57+
}
58+
59+
// THEN
60+
Truth.assertThat(expected).isInstanceOf(Exception::class.java)
61+
coVerify { remotePostDataSource.getPostDTOs() }
62+
verify(exactly = 0) { mapper.map(postDTOList) }
63+
}
64+
65+
@Test
66+
fun `given PostDTO list returned from remote source, should return postEntity list`() =
67+
runBlockingTest {
68+
// GIVEN
69+
val actual = postEntityList
70+
coEvery { remotePostDataSource.getPostDTOs() } returns postDTOList
71+
every { mapper.map(postDTOList) } returns postEntityList
72+
73+
// WHEN
74+
val expected = repository.fetchEntitiesFromRemote()
75+
76+
// THEN
77+
Truth.assertThat(expected).isEqualTo(actual)
78+
// Check for order of call either
79+
coVerifyOrder {
80+
remotePostDataSource.getPostDTOs()
81+
mapper.map(postDTOList)
82+
}
83+
}
84+
85+
@Test
86+
fun `given DB is empty should return an empty list`() = runBlockingTest {
87+
88+
// GIVEN
89+
val expected = listOf<PostEntity>()
90+
coEvery { localPostDataSource.getPostEntities() } returns expected
91+
92+
// WHEN
93+
val actual = repository.getPostEntitiesFromLocal()
94+
95+
// THEN
96+
Truth.assertThat(actual).isEmpty()
97+
coVerify(exactly = 1) { localPostDataSource.getPostEntities() }
98+
}
99+
100+
@Test
101+
fun `given DB is populated should return data list`() = runBlockingTest {
102+
103+
// GIVEN
104+
coEvery { localPostDataSource.getPostEntities() } returns postEntityList
105+
106+
// WHEN
107+
val actual = repository.getPostEntitiesFromLocal()
108+
109+
// THEN
110+
Truth.assertThat(actual)
111+
.containsExactlyElementsIn(postEntityList)
112+
coVerify(exactly = 1) { localPostDataSource.getPostEntities() }
113+
}
114+
115+
@Test
116+
fun `given entities, should save entities to DB`() = runBlockingTest {
117+
118+
// GIVEN
119+
val idList = postEntityList.map {
120+
it.id.toLong()
121+
}
122+
123+
coEvery { localPostDataSource.saveEntities(postEntityList) } returns idList
124+
125+
// WHEN
126+
repository.savePostEntities(postEntityList)
127+
128+
// THEN
129+
coVerify(exactly = 1) { localPostDataSource.saveEntities(postEntityList) }
130+
}
131+
132+
@Test
133+
fun `given no error should delete entities`() = runBlockingTest {
134+
135+
// GIVEN
136+
coEvery { localPostDataSource.deletePostEntities() } just runs
137+
138+
// WHEN
139+
repository.deletePostEntities()
140+
141+
// THEN
142+
coVerify(exactly = 1) { localPostDataSource.deletePostEntities() }
143+
}
9144

10145
@BeforeEach
11146
fun setUp() {
147+
repository =
148+
PostRepositoryCoroutinesImpl(localPostDataSource, remotePostDataSource, mapper)
12149
}
13150

14151
@AfterEach
15152
fun tearDown() {
153+
clearMocks(localPostDataSource, remotePostDataSource, mapper)
16154
}
17155
}

‎libraries/data/src/test/java/com/smarttoolfactory/data/source/PostDataSourceCoroutinesTest.kt‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -24,7 +24,7 @@ import org.junit.jupiter.api.TestInstance
2424
class PostDataSourceCoroutinesTest {
2525

2626
companion object {
27-
val PostDTOList =
27+
val postDTOList =
2828
convertFromJsonToListOf<PostDTO>(getResourceAsText(RESPONSE_JSON_PATH))!!
2929

3030
val postEntityList =
@@ -61,7 +61,7 @@ class PostDataSourceCoroutinesTest {
6161
fun `given Http 200, should return DTO list`() = runBlockingTest {
6262

6363
// GIVEN
64-
val actual = PostDTOList
64+
val actual = postDTOList
6565
coEvery { postApi.getPosts() } returns actual
6666

6767
// WHEN

‎libraries/data/src/test/java/com/smarttoolfactory/data/source/PostDataSourceRxJava3Test.kt‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -24,7 +24,7 @@ import org.junit.jupiter.api.TestInstance
2424
class PostDataSourceRxJava3Test {
2525

2626
companion object {
27-
val PostDTOList =
27+
val postDTOList =
2828
convertFromJsonToListOf<PostDTO>(getResourceAsText(RESPONSE_JSON_PATH))!!
2929

3030
val postEntityList =
@@ -60,7 +60,7 @@ class PostDataSourceRxJava3Test {
6060
fun `given Http 200, should return DTO list`() {
6161

6262
// GIVEN
63-
val actual = PostDTOList
63+
val actual = postDTOList
6464
every { postApi.getPostsSingle() } returns Single.just(actual)
6565

6666
// WHEN

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