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Move GraphQLQueryHelper and StreamHelper from the Core module (#484)
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17 changes: 17 additions & 0 deletions
17
Drop-In/src/androidTest/java/com/braintreepayments/api/GraphQLQueryHelperTest.kt
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package com.braintreepayments.api | ||
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import android.content.res.Resources.NotFoundException | ||
import androidx.test.core.app.ApplicationProvider | ||
import androidx.test.internal.runner.junit4.AndroidJUnit4ClassRunner | ||
import com.braintreepayments.api.GraphQLQueryHelper.getQuery | ||
import org.junit.Test | ||
import org.junit.runner.RunWith | ||
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@RunWith(AndroidJUnit4ClassRunner::class) | ||
class GraphQLQueryHelperTest { | ||
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@Test(expected = NotFoundException::class) | ||
fun query_throwsResourcesNotFoundExceptionForInvalidResources() { | ||
getQuery(ApplicationProvider.getApplicationContext(), -1) | ||
} | ||
} |
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20
Drop-In/src/main/java/com/braintreepayments/api/GraphQLQueryHelper.kt
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package com.braintreepayments.api | ||
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import android.content.Context | ||
import android.content.res.Resources | ||
import java.io.IOException | ||
import java.io.InputStream | ||
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internal object GraphQLQueryHelper { | ||
@JvmStatic | ||
@Throws(Resources.NotFoundException::class, IOException::class) | ||
fun getQuery(context: Context, queryResource: Int): String { | ||
var inputStream: InputStream? = null | ||
return try { | ||
inputStream = context.resources.openRawResource(queryResource) | ||
StreamHelper.getString(inputStream) | ||
} finally { | ||
inputStream?.close() | ||
} | ||
} | ||
} |
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23
Drop-In/src/main/java/com/braintreepayments/api/StreamHelper.kt
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package com.braintreepayments.api | ||
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import java.io.BufferedReader | ||
import java.io.IOException | ||
import java.io.InputStream | ||
import java.io.InputStreamReader | ||
import java.lang.StringBuilder | ||
import java.nio.charset.Charset | ||
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internal object StreamHelper { | ||
@Throws(IOException::class) | ||
fun getString(inputStream: InputStream?): String { | ||
val buffReader = BufferedReader(InputStreamReader(inputStream, Charset.forName("UTF-8"))) | ||
return buffReader.use { reader -> | ||
val data = StringBuilder() | ||
var line: String? | ||
while (reader.readLine().also { line = it } != null) { | ||
data.append(line) | ||
} | ||
data.toString() | ||
} | ||
} | ||
} |
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18
Drop-In/src/test/java/com/braintreepayments/api/StreamHelperUnitTest.kt
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package com.braintreepayments.api | ||
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import org.junit.Assert.assertEquals | ||
import org.junit.Test | ||
import org.junit.runner.RunWith | ||
import org.robolectric.RobolectricTestRunner | ||
import java.io.ByteArrayInputStream | ||
import java.nio.charset.StandardCharsets | ||
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@RunWith(RobolectricTestRunner::class) | ||
class StreamHelperUnitTest { | ||
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@Test | ||
fun getString_readsAStringFromAStream() { | ||
val inputStream = ByteArrayInputStream("Test string".toByteArray(StandardCharsets.UTF_8)); | ||
assertEquals("Test string", StreamHelper.getString(inputStream)) | ||
} | ||
} |