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/*
* Copyright 2018 Allan Wang
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package ca.allanwang.kau.kpref
import android.annotation.SuppressLint
import android.content.SharedPreferences
import androidx.test.ext.junit.runners.AndroidJUnit4
import androidx.test.filters.MediumTest
import ca.allanwang.kau.context
import kotlin.test.assertEquals
import org.junit.Before
import org.junit.Test
import org.junit.runner.RunWith
/**
* Created by Allan Wang on 2017-08-01.
*/
@RunWith(AndroidJUnit4::class)
@MediumTest
class KPrefTest {
lateinit var androidPref: TestPref
lateinit var androidSp: SharedPreferences
lateinit var memPref: TestPref
class TestPref(factory: KPrefFactory) :
KPref("kpref_test_${System.currentTimeMillis()}", factory) {
var postSetterCount: Int = 0
var one by kpref("one", 1)
var two by kpref("two", 2f)
var `true` by kpref("true", true, postSetter = {
postSetterCount++
})
var hello by kpref("hello", "hello")
var set by kpref("set", setOf("po", "ta", "to"))
val oneShot by kprefSingle("asdf")
}
@Before
fun init() {
androidPref = TestPref(KPrefFactoryAndroid(context))
androidSp = (androidPref.builder as KPrefBuilderAndroid).sp
androidSp.edit().clear().commit()
memPref = TestPref(KPrefFactoryInMemory)
}
private fun pref(action: TestPref.() -> Unit) {
androidPref.action()
memPref.action()
}
private fun <T> assertPrefEquals(
expected: T,
actual: TestPref.() -> T,
message: String? = null
) {
assertEquals(expected, androidPref.actual(), "Android KPrefs: $message")
assertEquals(expected, memPref.actual(), "In Mem KPrefs: $message")
}
@Test
fun getDefaults() {
assertPrefEquals(1, { one })
assertPrefEquals(2f, { two })
assertPrefEquals(true, { `true` })
assertPrefEquals("hello", { hello })
assertPrefEquals(3, { set.size })
assertPrefEquals(setOf("po", "ta", "to"), { set })
assertEquals(0, androidSp.all.size, "Defaults should not be set automatically")
}
@Test
fun setter() {
assertPrefEquals(1, { one })
pref { one = 2 }
assertPrefEquals(2, { one })
pref { hello = "goodbye" }
assertPrefEquals("goodbye", { hello })
assertEquals(androidPref.hello, androidSp.getString("hello", "badfallback"))
assertEquals(2, androidSp.all.size)
}
@SuppressLint("CommitPrefEdits")
@Test
fun reset() {
pref { one = 2 }
assertPrefEquals(2, { one })
assertPrefEquals(6, { prefMap.size }, "Prefmap does not have all elements")
pref { reset() } // only invalidates our lazy delegate; doesn't change the actual pref
assertEquals(1, memPref.one, "Memory Kpref did not invalidate value")
assertEquals(2, androidPref.one, "Android Kpref did not properly fetch from shared prefs")
// Android pref only
androidSp.edit().putInt("one", -1).commit()
assertEquals(2, androidPref.one, "Lazy kpref should still retain old value")
androidPref.reset()
assertEquals(-1, androidPref.one, "Kpref did not refetch from shared prefs upon reset")
}
@Test
fun single() {
assertPrefEquals(true, { oneShot })
assertPrefEquals(false, { androidPref.oneShot })
}
@Test
fun postSetter() {
pref { `true` = true }
assertPrefEquals(1, { postSetterCount }, "Post setter was not called")
}
}
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