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6038: ExtTest for BookmarkNode r=mcomella a=kglazko



Co-authored-by: Kate Glazko <katglazko@gmail.com>
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MozLando 2019-10-17 20:39:35 +00:00
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.fenix.ext
import org.junit.Assert.assertEquals
import org.junit.Test
import org.junit.runner.RunWith
import org.mozilla.fenix.TestApplication
import org.robolectric.RobolectricTestRunner
import org.robolectric.annotation.Config
import mozilla.components.concept.storage.BookmarkNode
import mozilla.components.concept.storage.BookmarkNodeType
@RunWith(RobolectricTestRunner::class)
@Config(application = TestApplication::class)
class BookmarkNodeTest {
@Test
fun `GIVEN a bookmark node with children WHEN minusing a sub set of children THEN the children subset is removed and rest remains`() {
val bookMarkChild1 = newBookmarkNode("Child 1", 1, null)
val bookMarkChild2 = newBookmarkNode("Child 2", 2, null)
val allChildren = listOf(bookMarkChild1, bookMarkChild2)
val bookmarkNode = newBookmarkNode("Parent 1", 0, allChildren)
val subsetToSubtract = setOf(bookMarkChild1)
val expectedRemainingSubset = listOf(bookMarkChild2)
val bookmarkNodeSubsetRemoved = bookmarkNode.minus(subsetToSubtract)
assertEquals(expectedRemainingSubset, bookmarkNodeSubsetRemoved.children)
}
@Test
fun `GIVEN a bookmark node with children WHEN minusing a set of all children THEN all children are removed and empty list remains`() {
val bookMarkChild1 = newBookmarkNode("Child 1", 1, null)
val bookMarkChild2 = newBookmarkNode("Child 2", 2, null)
val allChildren = listOf(bookMarkChild1, bookMarkChild2)
val bookmarkNode = newBookmarkNode("Parent 1", 0, allChildren)
val setofAllChildren = setOf(bookMarkChild1, bookMarkChild2)
val bookmarkNodeAllChildrenRemoved = bookmarkNode.minus(setofAllChildren)
assertEquals(emptyList<BookmarkNode>(), bookmarkNodeAllChildrenRemoved.children)
}
@Test
fun `GIVEN a bookmark node with children WHEN minusing a set of non-children THEN no children are removed`() {
val bookMarkChild1 = newBookmarkNode("Child 1", 1, null)
val bookMarkChild2 = newBookmarkNode("Child 2", 2, null)
val allChildren = listOf(bookMarkChild1, bookMarkChild2)
val bookMarkChild3 = newBookmarkNode("Child 3", 3, null)
val setofNonChildren = setOf(bookMarkChild3)
val bookmarkNode = newBookmarkNode("Parent 1", 0, allChildren)
val bookmarkNodeNonChildrenRemoved = bookmarkNode.minus(setofNonChildren)
assertEquals(allChildren, bookmarkNodeNonChildrenRemoved.children)
}
@Test
fun `GIVEN a bookmark node with children WHEN minusing an empty set THEN no children are removed`() {
val bookMarkChild1 = newBookmarkNode("Child 1", 1, null)
val bookMarkChild2 = newBookmarkNode("Child 2", 2, null)
val allChildren = listOf(bookMarkChild1, bookMarkChild2)
val bookmarkNode = newBookmarkNode("Parent 1", 0, allChildren)
val bookmarkNodeEmptySetRemoved = bookmarkNode.minus(emptySet())
assertEquals(allChildren, bookmarkNodeEmptySetRemoved.children)
}
@Test
fun `GIVEN a bookmark node with an empty list as children WHEN minusing a set of non-children from an empty parent THEN an empty list remains`() {
val parentWithEmptyList = newBookmarkNode("Parent 1", 0, emptyList<BookmarkNode>())
val bookMarkChild1 = newBookmarkNode("Child 1", 1, null)
val bookMarkChild2 = newBookmarkNode("Child 2", 2, null)
val setofAllChildren = setOf(bookMarkChild1, bookMarkChild2)
val parentWithEmptyListNonChildRemoved = parentWithEmptyList.minus(setofAllChildren)
assertEquals(emptyList<BookmarkNode>(), parentWithEmptyListNonChildRemoved.children)
}
@Test
fun `GIVEN a bookmark node with null as children WHEN minusing a set of non-children from a parent with null children THEN null remains`() {
val parentWithNullList = newBookmarkNode("Parent 1", 0, null)
val bookMarkChild1 = newBookmarkNode("Child 1", 1, null)
val bookMarkChild2 = newBookmarkNode("Child 2", 2, null)
val setofAllChildren = setOf(bookMarkChild1, bookMarkChild2)
val parentWithNullListNonChildRemoved = parentWithNullList.minus(setofAllChildren)
assertEquals(null, parentWithNullListNonChildRemoved.children)
}
@Test
fun `GIVEN a bookmark node with children WHEN minusing a sub-set of children THEN the rest of the parents object should remain the same`() {
val bookMarkChild1 = newBookmarkNode("Child 1", 1, null)
val bookMarkChild2 = newBookmarkNode("Child 2", 2, null)
val allChildren = listOf(bookMarkChild1, bookMarkChild2)
val bookmarkNode = newBookmarkNode("Parent 1", 0, allChildren)
val subsetToSubtract = setOf(bookMarkChild1)
val expectedRemainingSubset = listOf(bookMarkChild2)
val resultBookmarkNode = bookmarkNode.minus(subsetToSubtract)
// We're pinning children to the same value so we can compare the rest.
val restOfResult = resultBookmarkNode.copy(children = expectedRemainingSubset)
val restofOriginal = bookmarkNode.copy(children = expectedRemainingSubset)
assertEquals(restOfResult, restofOriginal)
}
private fun newBookmarkNode(title: String, position: Int, children: List<BookmarkNode>?) = BookmarkNode(
type = BookmarkNodeType.ITEM,
guid = "11",
parentGuid = "12",
position = position,
title = title,
url = "www.mockurl.com",
children = children
)
}