import os
import unittest

from bzrlib.tests import TestCaseInTempDir, TestCase
from bzrlib.branch import Branch
from bzrlib.errors import NotBranchError
from bzrlib.inventory import InventoryFile, Inventory
from bzrlib.workingtree import WorkingTree

class TestSmartAdd(TestCaseInTempDir):

    def test_add_dot_from_root(self):
        """Test adding . from the root of the tree.""" 
        from bzrlib.add import smart_add
        paths = ("original/", "original/file1", "original/file2")
        self.build_tree(paths)
        branch = Branch.initialize(u".")
        smart_add((u".",))
        for path in paths:
            self.assertNotEqual(branch.working_tree().path2id(path), None)

    def test_add_dot_from_subdir(self):
        """Test adding . from a subdir of the tree.""" 
        from bzrlib.add import smart_add
        paths = ("original/", "original/file1", "original/file2")
        self.build_tree(paths)
        branch = Branch.initialize(u".")
        os.chdir("original")
        smart_add((u".",))
        for path in paths:
            self.assertNotEqual(branch.working_tree().path2id(path), None)

    def test_add_tree_from_above_tree(self):
        """Test adding a tree from above the tree.""" 
        from bzrlib.add import smart_add
        paths = ("original/", "original/file1", "original/file2")
        branch_paths = ("branch/", "branch/original/", "branch/original/file1",
                        "branch/original/file2")
        self.build_tree(branch_paths)
        branch = Branch.initialize("branch")
        smart_add(("branch",))
        for path in paths:
            self.assertNotEqual(branch.working_tree().path2id(path), None)

    def test_add_above_tree_preserves_tree(self):
        """Test nested trees are not affect by an add above them."""
        from bzrlib.add import smart_add
        paths = ("original/", "original/file1", "original/file2")
        child_paths = ("path",)
        full_child_paths = ("original/child", "original/child/path")
        build_paths = ("original/", "original/file1", "original/file2", 
                       "original/child/", "original/child/path")
        
        self.build_tree(build_paths)
        branch = Branch.initialize(u".")
        child_branch = Branch.initialize("original/child")
        smart_add((u".",))
        for path in paths:
            self.assertNotEqual((path, branch.working_tree().path2id(path)),
                                (path, None))
        for path in full_child_paths:
            self.assertEqual((path, branch.working_tree().path2id(path)),
                             (path, None))
        for path in child_paths:
            self.assertEqual(child_branch.working_tree().path2id(path), None)

    def test_add_paths(self):
        """Test smart-adding a list of paths."""
        from bzrlib.add import smart_add
        paths = ("file1", "file2")
        self.build_tree(paths)
        branch = Branch.initialize(u".")
        smart_add(paths)
        for path in paths:
            self.assertNotEqual(branch.working_tree().path2id(path), None)

    def test_add_dry_run(self):
        """Test a dry run add, make sure nothing is added."""
        from bzrlib.commands import run_bzr
        eq = self.assertEqual
        b = Branch.initialize(u'.')
        t = b.working_tree()
        self.build_tree(['inertiatic/', 'inertiatic/esp'])
        eq(list(t.unknowns()), ['inertiatic'])
        self.capture('add --dry-run .')
        eq(list(t.unknowns()), ['inertiatic'])

class TestSmartAddBranch(TestCaseInTempDir):
    """Test smart adds with a specified branch."""

    def test_add_dot_from_root(self):
        """Test adding . from the root of the tree.""" 
        from bzrlib.add import smart_add_tree
        paths = ("original/", "original/file1", "original/file2")
        self.build_tree(paths)
        Branch.initialize(u".")
        tree = WorkingTree()
        smart_add_tree(tree, (u".",))
        for path in paths:
            self.assertNotEqual(tree.path2id(path), None)

    def test_add_dot_from_subdir(self):
        """Test adding . from a subdir of the tree.""" 
        from bzrlib.add import smart_add_tree
        paths = ("original/", "original/file1", "original/file2")
        self.build_tree(paths)
        Branch.initialize(u".")
        tree = WorkingTree()
        os.chdir("original")
        smart_add_tree(tree, (u".",))
        for path in paths:
            self.assertNotEqual(tree.path2id(path), None)

    def test_add_tree_from_above_tree(self):
        """Test adding a tree from above the tree.""" 
        from bzrlib.add import smart_add_tree
        paths = ("original/", "original/file1", "original/file2")
        branch_paths = ("branch/", "branch/original/", "branch/original/file1",
                        "branch/original/file2")
        self.build_tree(branch_paths)
        Branch.initialize("branch")
        tree = WorkingTree("branch")
        smart_add_tree(tree, ("branch",))
        for path in paths:
            self.assertNotEqual(tree.path2id(path), None)

    def test_add_above_tree_preserves_tree(self):
        """Test nested trees are not affect by an add above them."""
        from bzrlib.add import smart_add_tree
        paths = ("original/", "original/file1", "original/file2")
        child_paths = ("path")
        full_child_paths = ("original/child", "original/child/path")
        build_paths = ("original/", "original/file1", "original/file2", 
                       "original/child/", "original/child/path")
        self.build_tree(build_paths)
        Branch.initialize(u".")
        tree = WorkingTree()
        child_branch = Branch.initialize("original/child")
        smart_add_tree(tree, (u".",))
        for path in paths:
            self.assertNotEqual((path, tree.path2id(path)),
                                (path, None))
        for path in full_child_paths:
            self.assertEqual((path, tree.path2id(path)),
                             (path, None))
        for path in child_paths:
            self.assertEqual(child_branch.working_tree().path2id(path), None)

    def test_add_paths(self):
        """Test smart-adding a list of paths."""
        from bzrlib.add import smart_add_tree
        paths = ("file1", "file2")
        self.build_tree(paths)
        Branch.initialize(u".")
        tree = WorkingTree()
        smart_add_tree(tree, paths)
        for path in paths:
            self.assertNotEqual(tree.path2id(path), None)

class TestAddActions(TestCaseInTempDir):

    def test_null(self):
        from bzrlib.add import add_action_null
        self.run_action(add_action_null, "", False)

    def test_add(self):
        self.entry = InventoryFile("id", "name", None)
        from bzrlib.add import add_action_add
        self.run_action(add_action_add, "", True)

    def test_add_and_print(self):
        from bzrlib.add import add_action_add_and_print
        self.run_action(add_action_add_and_print, "added path\n", True)

    def test_print(self):
        from bzrlib.add import add_action_print
        self.run_action(add_action_print, "added path\n", False)

    def run_action(self, action, output, should_add):
        from StringIO import StringIO
        inv = Inventory()
        stdout = StringIO()

        self.apply_redirected(None, stdout, None, action, inv, 'path', 'file')
        self.assertEqual(stdout.getvalue(), output)

        if should_add:
            self.assertNotEqual(inv.path2id('path'), None)
        else:
            self.assertEqual(inv.path2id('path'), None)