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Implement Unit test for W3WMLKitImageDataSource and OcrScanManager
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Duy Phạm
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Duy Phạm
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Nov 6, 2024
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lib/src/androidTest/java/com/what3words/ocr/components/OcrScanManagerTest.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,190 @@ | ||
| package com.what3words.ocr.components | ||
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| import androidx.test.ext.junit.runners.AndroidJUnit4 | ||
| import com.what3words.core.types.common.W3WError | ||
| import com.what3words.core.types.domain.W3WAddress | ||
| import com.what3words.core.types.domain.W3WCountry | ||
| import com.what3words.core.types.domain.W3WSuggestion | ||
| import com.what3words.core.types.image.W3WImage | ||
| import com.what3words.core.types.language.W3WRFC5646Language | ||
| import com.what3words.ocr.components.fake.FakeImageDataSource | ||
| import com.what3words.ocr.components.fake.FakeTextDataSource | ||
| import com.what3words.ocr.components.ui.OcrScanManager | ||
| import com.what3words.ocr.components.ui.OcrScannerState | ||
| import io.mockk.every | ||
| import io.mockk.mockk | ||
| import junit.framework.TestCase.assertEquals | ||
| import junit.framework.TestCase.assertFalse | ||
| import junit.framework.TestCase.assertNotNull | ||
| import junit.framework.TestCase.assertNull | ||
| import junit.framework.TestCase.assertTrue | ||
| import junit.framework.TestCase.fail | ||
| import kotlinx.coroutines.ExperimentalCoroutinesApi | ||
| import kotlinx.coroutines.test.runTest | ||
| import org.junit.Before | ||
| import org.junit.Test | ||
| import org.junit.runner.RunWith | ||
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|
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| @ExperimentalCoroutinesApi | ||
| @RunWith(AndroidJUnit4::class) | ||
| class OcrScanManagerTest { | ||
| private lateinit var ocrScanManager: OcrScanManager | ||
| private lateinit var fakeImageDataSource: FakeImageDataSource | ||
| private lateinit var fakeTextDataSource: FakeTextDataSource | ||
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| @Before | ||
| fun setup() { | ||
| fakeImageDataSource = FakeImageDataSource() | ||
| fakeTextDataSource = FakeTextDataSource() | ||
| ocrScanManager = OcrScanManager(fakeImageDataSource, fakeTextDataSource) | ||
| } | ||
|
|
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| @Test | ||
| fun testGetReadySuccess() { | ||
| var isReady = false | ||
| var error: W3WError? = null | ||
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| fakeImageDataSource.setShouldSimulateStartError(false) | ||
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| val onReady = { | ||
| isReady = true | ||
| } | ||
|
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| val onError: ((W3WError) -> Unit) = { | ||
| error = it | ||
| } | ||
|
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| ocrScanManager.getReady(onReady, onError) | ||
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| assertTrue(isReady) | ||
| assertNull(error) | ||
| } | ||
|
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| @Test | ||
| fun testGetReadyFailed() { | ||
| var isReady = false | ||
| var error: W3WError? = null | ||
|
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| fakeImageDataSource.setShouldSimulateStartError(true) | ||
|
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| val onReady = { | ||
| isReady = true | ||
| } | ||
|
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| val onError: ((W3WError) -> Unit) = { | ||
| error = it | ||
| } | ||
|
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| ocrScanManager.getReady(onReady, onError) | ||
|
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| assertFalse(isReady) | ||
| assertNotNull(error) | ||
| } | ||
|
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| @Test | ||
| fun testScanImage() = runTest { | ||
| fakeImageDataSource.setScanResults(listOf("index.home.raft")) | ||
| fakeTextDataSource.setSuggested3was( | ||
| listOf( | ||
| W3WSuggestion( | ||
| w3wAddress = W3WAddress( | ||
| "index.home.raft", | ||
| null, | ||
| null, | ||
| W3WRFC5646Language.EN_GB, | ||
| W3WCountry("en"), | ||
| "Bayswater, London" | ||
| ), | ||
| rank = 0, | ||
| distanceToFocus = null | ||
| ) | ||
| ) | ||
| ) | ||
|
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| val mockImage: W3WImage = mockk() | ||
| every { mockImage.bitmap } returns mockk(relaxed = true) | ||
|
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| var foundSuggestions: List<W3WSuggestion>? = null | ||
| var completed = false | ||
|
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| ocrScanManager.getReady( | ||
| onReady = { | ||
|
|
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| }, | ||
| onError = { | ||
| fail("Error when ocrScanManager getReady") | ||
| } | ||
| ) | ||
| ocrScanManager.scanImage( | ||
| mockImage, | ||
| onError = { | ||
| println("Error: $it") | ||
| fail("Unexpected error") | ||
| }, | ||
| onFound = { foundSuggestions = it }, | ||
| onCompleted = { completed = true } | ||
| ) | ||
|
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| // Assert the results | ||
| assertNotNull(foundSuggestions) | ||
| assertTrue(completed) | ||
| } | ||
|
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| @Test | ||
| fun testOcrScannerState() = runTest { | ||
| // Initial state | ||
| assertEquals(OcrScannerState.State.Idle, ocrScanManager.ocrScannerState.value.state) | ||
| assertTrue(ocrScanManager.ocrScannerState.value.foundItems.isEmpty()) | ||
|
|
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| // Simulate scanning | ||
| val mockImage: W3WImage = mockk() | ||
| every { mockImage.bitmap } returns mockk(relaxed = true) | ||
|
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| fakeImageDataSource.setScanResults(listOf("index.home.raft")) | ||
| fakeTextDataSource.setSuggested3was( | ||
| listOf( | ||
| W3WSuggestion( | ||
| w3wAddress = W3WAddress( | ||
| "index.home.raft", | ||
| null, | ||
| null, | ||
| W3WRFC5646Language.EN_GB, | ||
| W3WCountry("en"), | ||
| "Bayswater, London" | ||
| ), | ||
| rank = 0, | ||
| distanceToFocus = null | ||
| ) | ||
| ) | ||
| ) | ||
|
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| ocrScanManager.getReady( | ||
| onReady = { | ||
|
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| }, | ||
| onError = { | ||
| fail("Error when ocrScanManager getReady") | ||
| } | ||
| ) | ||
| ocrScanManager.scanImage( | ||
| mockImage, | ||
| onError = { | ||
| fail("Unexpected error") | ||
| }, | ||
| onFound = { | ||
|
|
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| }, | ||
| onCompleted = { | ||
|
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| } | ||
| ) | ||
|
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| // Verify the final state | ||
| assertEquals(OcrScannerState.State.Found, ocrScanManager.ocrScannerState.value.state) | ||
| assertEquals(1, ocrScanManager.ocrScannerState.value.foundItems.size) | ||
| assertEquals( | ||
| "index.home.raft", | ||
| ocrScanManager.ocrScannerState.value.foundItems[0].w3wAddress.words | ||
| ) | ||
| } | ||
| } |
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