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Do not convert separatorsToSystem in file path extensions.

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Do not require network host in network share root to contain dot.
File.root now is always non-null to be consistent with File.toComponents().root.
Introduce invariantSeparatorsPath property.
Deprecate relativeTo to make it return File later. Introduce toRelativeString instead.
Introduce relativeToOrNull and relativeToOrSelf extensions.
This commit is contained in:
Ilya Gorbunov
2015-12-10 01:26:01 +03:00
parent 52eb9e4276
commit 7c9b53c75c
4 changed files with 186 additions and 117 deletions
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libraries/stdlib/test/io/Files.kt
+72 -58
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@@ -75,7 +75,7 @@ class FilesTest {
val file1 = File("/foo/bar/baz")
val file2 = File("/foo/baa/ghoo")
assertEquals("../../bar/baz".separatorsToSystem(), file1.relativeTo(file2))
assertEquals("../../bar/baz", file1.relativeToFile(file2).invariantSeparatorsPath)
val file3 = File("/foo/bar")
@@ -91,10 +91,10 @@ class FilesTest {
val file5 = File("/foo/baran")
assertEquals("../bar".separatorsToSystem(), file3.relativeTo(file5))
assertEquals("../baran".separatorsToSystem(), file5.relativeTo(file3))
assertEquals("../bar".separatorsToSystem(), file4.relativeTo(file5))
assertEquals("../baran".separatorsToSystem(), file5.relativeTo(file4))
assertEquals("../bar", file3.relativeToFile(file5).invariantSeparatorsPath)
assertEquals("../baran", file5.relativeToFile(file3).invariantSeparatorsPath)
assertEquals("../bar", file4.relativeToFile(file5).invariantSeparatorsPath)
assertEquals("../baran", file5.relativeToFile(file4).invariantSeparatorsPath)
val file6 = File("C:\\Users\\Me")
val file7 = File("C:\\Users\\Me\\Documents")
@@ -109,8 +109,8 @@ class FilesTest {
val file8 = File("""\\my.host\home/user/documents/vip""")
val file9 = File("""\\my.host\home/other/images/nice""")
assertEquals("../../../user/documents/vip".separatorsToSystem(), file8.relativeTo(file9))
assertEquals("../../../other/images/nice".separatorsToSystem(), file9.relativeTo(file8))
assertEquals("../../../user/documents/vip", file8.relativeToFile(file9).invariantSeparatorsPath)
assertEquals("../../../other/images/nice", file9.relativeToFile(file8).invariantSeparatorsPath)
}
@test fun relativeToRelative() {
@@ -165,56 +165,66 @@ class FilesTest {
}
assertFailsRelativeTo(File("y"), File("../x"))
// This test operates correctly only at Windows PCs with C & D drives
val fileOnC = File("C:/dir1")
val fileOnD = File("D:/dir2")
assertFailsRelativeTo(fileOnC, fileOnD)
}
@test fun relativeTo() {
assertEquals("kotlin", File("src/kotlin".separatorsToSystem()).relativeTo(File("src")))
assertEquals("kotlin", File("src/kotlin").relativeTo(File("src")))
assertEquals("", File("dir").relativeTo(File("dir")))
assertEquals("..", File("dir").relativeTo(File("dir/subdir".separatorsToSystem())))
assertEquals("../../test".separatorsToSystem(), File("test").relativeTo(File("dir/dir".separatorsToSystem())))
// This test operates correctly only at Windows PCs with C & D drives
val file1 = File("C:/dir1".separatorsToSystem())
val file2 = File("D:/dir2".separatorsToSystem())
try {
file1.relativeTo(file2)
assert(false);
} catch (e: IllegalArgumentException) {
// It's the thing we should get here
} catch (e: IOException) {
// The device is not ready (D) ==> DO NOTHING
}
assertEquals("..", File("dir").relativeTo(File("dir/subdir")))
assertEquals(File("../../test"), File("test").relativeToFile(File("dir/dir")))
}
private fun checkFileElements(f: File, root: File?, elements: List<String>) {
var i = 0
private fun checkFilePathComponents(f: File, root: File, elements: List<String>) {
assertEquals(root, f.root)
for (elem in f.toComponents().segments) {
assertTrue(i < elements.size, i.toString())
assertEquals(elements[i++], elem.toString())
}
assertEquals(elements.size, i)
val components = f.toComponents()
assertEquals(root, components.root)
assertEquals(elements, components.segments.map { it.toString() })
}
@test fun fileIterator() {
checkFileElements(File("/foo/bar"), File("/"), listOf("foo", "bar"))
checkFileElements(File("\\foo\\bar"), File("\\".separatorsToSystem()), listOf("foo", "bar"))
checkFileElements(File("/foo/bar/gav"), File("/"), listOf("foo", "bar", "gav"))
checkFileElements(File("/foo/bar/gav/"), File("/"), listOf("foo", "bar", "gav"))
checkFileElements(File("bar/gav"), null, listOf("bar", "gav"))
checkFileElements(File("C:\\bar\\gav"), File("C:\\".separatorsToSystem()), listOf("bar", "gav"))
checkFileElements(File("C:/bar/gav"), File("C:/"), listOf("bar", "gav"))
checkFileElements(File("C:\\"), File("C:\\".separatorsToSystem()), listOf())
checkFileElements(File("C:/"), File("C:/"), listOf())
checkFileElements(File("C:"), File("C:"), listOf())
if (File.separatorChar == '\\') {
@test fun filePathComponents() {
checkFilePathComponents(File("/foo/bar"), File("/"), listOf("foo", "bar"))
checkFilePathComponents(File("/foo/bar/gav"), File("/"), listOf("foo", "bar", "gav"))
checkFilePathComponents(File("/foo/bar/gav/"), File("/"), listOf("foo", "bar", "gav"))
checkFilePathComponents(File("bar/gav"), File(""), listOf("bar", "gav"))
checkFilePathComponents(File("C:/bar/gav"), File("C:/"), listOf("bar", "gav"))
checkFilePathComponents(File("C:/"), File("C:/"), listOf())
checkFilePathComponents(File("C:"), File("C:"), listOf())
if (File.separator == "\\") {
// Check only in Windows
checkFileElements(File("\\\\host.ru\\home\\mike"), File("\\\\host.ru\\home"), listOf("mike"))
checkFileElements(File("//host.ru/home/mike"), File("//host.ru/home"), listOf("mike"))
checkFilePathComponents(File("\\\\host.ru\\home\\mike"), File("\\\\host.ru\\home"), listOf("mike"))
checkFilePathComponents(File("//host.ru/home/mike"), File("//host.ru/home"), listOf("mike"))
checkFilePathComponents(File("\\foo\\bar"), File("\\"), listOf("foo", "bar"))
checkFilePathComponents(File("C:\\bar\\gav"), File("C:\\"), listOf("bar", "gav"))
checkFilePathComponents(File("C:\\"), File("C:\\"), listOf())
}
checkFileElements(File(""), null, listOf())
checkFileElements(File("."), null, listOf("."))
checkFileElements(File(".."), null, listOf(".."))
checkFilePathComponents(File(""), File(""), listOf())
checkFilePathComponents(File("."), File(""), listOf("."))
checkFilePathComponents(File(".."), File(""), listOf(".."))
}
@test fun fileRoot() {
val rooted = File("/foo/bar")
assertTrue(rooted.isRooted)
assertEquals("/", rooted.root.invariantSeparatorsPath)
if (File.separator == "\\") {
val diskRooted = File("""C:\foo\bar""")
assertTrue(rooted.isRooted)
assertEquals("""C:\""", diskRooted.rootName)
val networkRooted = File("""\\network\share\""")
assertTrue(networkRooted.isRooted)
assertEquals("""\\network\share""", networkRooted.rootName)
}
val relative = File("foo/bar")
assertFalse(relative.isRooted)
assertEquals("", relative.rootName)
}
@test fun startsWith() {
@@ -254,9 +264,10 @@ class FilesTest {
assertEquals(File("/foo/bar/baaz"), File("/foo/bak/../bar/gav/../baaz").normalize())
assertEquals(File("../../bar"), File("../foo/../../bar").normalize())
// For Unix C:\windows is not correct so it's not the same as C:/windows
assertEquals(File("C:\\windows").separatorsToSystem(),
File("C:\\home\\..\\documents\\..\\windows").normalize().separatorsToSystem())
assertEquals(File("C:/windows"), File("C:/home/../documents/../windows").normalize())
if (File.separator == "\\") {
assertEquals(File("C:\\windows"), File("C:\\home\\..\\documents\\..\\windows").normalize())
assertEquals(File("C:/windows"), File("C:/home/../documents/../windows").normalize())
}
assertEquals(File("foo"), File("gav/bar/../../foo").normalize())
assertEquals(File("/../foo"), File("/bar/../../foo").normalize())
}
@@ -266,11 +277,12 @@ class FilesTest {
assertEquals(File("/foo/bar/gav"), File("/foo/bar/").resolve("gav"))
assertEquals(File("/gav"), File("/foo/bar").resolve("/gav"))
// For Unix C:\path is not correct so it's cannot be automatically converted
assertEquals(File("C:\\Users\\Me\\Documents\\important.doc").separatorsToSystem(),
File("C:\\Users\\Me").resolve("Documents\\important.doc").separatorsToSystem())
assertEquals(File("C:/Users/Me/Documents/important.doc"),
File("C:/Users/Me").resolve("Documents/important.doc"))
if (File.separator == "\\") {
assertEquals(File("C:\\Users\\Me\\Documents\\important.doc"),
File("C:\\Users\\Me").resolve("Documents\\important.doc"))
assertEquals(File("C:/Users/Me/Documents/important.doc"),
File("C:/Users/Me").resolve("Documents/important.doc"))
}
assertEquals(File(""), File("").resolve(""))
assertEquals(File("bar"), File("").resolve("bar"))
assertEquals(File("foo/bar"), File("foo").resolve("bar"))
@@ -285,10 +297,12 @@ class FilesTest {
assertEquals(File("/foo/gav"), File("/foo/bar/").resolveSibling("gav"))
assertEquals(File("/gav"), File("/foo/bar").resolveSibling("/gav"))
// For Unix C:\path is not correct so it's cannot be automatically converted
assertEquals(File("C:\\Users\\Me\\Documents\\important.doc").separatorsToSystem(),
File("C:\\Users\\Me\\profile.ini").resolveSibling("Documents\\important.doc").separatorsToSystem())
assertEquals(File("C:/Users/Me/Documents/important.doc"),
File("C:/Users/Me/profile.ini").resolveSibling("Documents/important.doc"))
if (File.separator == "\\") {
assertEquals(File("C:\\Users\\Me\\Documents\\important.doc"),
File("C:\\Users\\Me\\profile.ini").resolveSibling("Documents\\important.doc"))
assertEquals(File("C:/Users/Me/Documents/important.doc"),
File("C:/Users/Me/profile.ini").resolveSibling("Documents/important.doc"))
}
assertEquals(File("gav"), File("foo").resolveSibling("gav"))
assertEquals(File("../gav"), File("").resolveSibling("gav"))
}