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package treeprint
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestZeroNodesWithRoot(t *testing.T) {
assert := assert.New(t)
tree := NewWithRoot("mytree")
actual := tree.String()
expected := "mytree\n"
assert.Equal(expected, actual)
}
func TestOneNode(t *testing.T) {
assert := assert.New(t)
tree := New()
tree.AddNode("hello")
actual := tree.String()
expected := `.
└── hello
`
assert.Equal(expected, actual)
}
func TestOneNodeWithRoot(t *testing.T) {
assert := assert.New(t)
tree := NewWithRoot("mytree")
tree.AddNode("hello")
actual := tree.String()
expected := `mytree
└── hello
`
assert.Equal(expected, actual)
}
func TestMetaNode(t *testing.T) {
assert := assert.New(t)
tree := New()
tree.AddMetaNode(123, "hello")
tree.AddMetaNode([]struct{}{}, "world")
actual := tree.String()
expected := `.
├── [123] hello
└── [[]] world
`
assert.Equal(expected, actual)
}
func TestTwoNodes(t *testing.T) {
assert := assert.New(t)
tree := New()
tree.AddNode("hello")
tree.AddNode("world")
actual := tree.String()
expected := `.
├── hello
└── world
`
assert.Equal(expected, actual)
}
func TestLevel(t *testing.T) {
assert := assert.New(t)
tree := New()
tree.AddBranch("hello").AddNode("my friend").AddNode("lol")
tree.AddNode("world")
actual := tree.String()
expected := `.
├── hello
│ ├── my friend
│ └── lol
└── world
`
assert.Equal(expected, actual)
}
func TestNamedRoot(t *testing.T) {
assert := assert.New(t)
tree := New()
tree.AddBranch("hello").AddNode("my friend").AddNode("lol")
tree.AddNode("world")
tree.SetValue("friends")
actual := tree.String()
expected := `friends
├── hello
│ ├── my friend
│ └── lol
└── world
`
assert.Equal(expected, actual)
}
func TestDeepLevel(t *testing.T) {
assert := assert.New(t)
tree := New()
one := tree.AddBranch("one")
one.AddNode("subnode1").AddNode("subnode2")
one.AddBranch("two").
AddNode("subnode1").AddNode("subnode2").
AddBranch("three").
AddNode("subnode1").AddNode("subnode2")
one.AddNode("subnode3")
tree.AddNode("outernode")
actual := tree.String()
expected := `.
├── one
│ ├── subnode1
│ ├── subnode2
│ ├── two
│ │ ├── subnode1
│ │ ├── subnode2
│ │ └── three
│ │ ├── subnode1
│ │ └── subnode2
│ └── subnode3
└── outernode
`
assert.Equal(expected, actual)
}
func TestComplex(t *testing.T) {
assert := assert.New(t)
tree := New()
tree.AddNode("Dockerfile")
tree.AddNode("Makefile")
tree.AddNode("aws.sh")
tree.AddMetaBranch(" 204", "bin").
AddNode("dbmaker").AddNode("someserver").AddNode("testtool")
tree.AddMetaBranch(" 374", "deploy").
AddNode("Makefile").AddNode("bootstrap.sh")
tree.AddMetaNode("122K", "testtool.a")
actual := tree.String()
expected := `.
├── Dockerfile
├── Makefile
├── aws.sh
├── [ 204] bin
│ ├── dbmaker
│ ├── someserver
│ └── testtool
├── [ 374] deploy
│ ├── Makefile
│ └── bootstrap.sh
└── [122K] testtool.a
`
assert.Equal(expected, actual)
}
func TestIndirectOrder(t *testing.T) {
assert := assert.New(t)
tree := New()
tree.AddBranch("one").AddNode("two")
foo := tree.AddBranch("foo")
foo.AddBranch("bar").AddNode("a").AddNode("b").AddNode("c")
foo.AddNode("end")
actual := tree.String()
expected := `.
├── one
│ └── two
└── foo
├── bar
│ ├── a
│ ├── b
│ └── c
└── end
`
assert.Equal(expected, actual)
}
func TestEdgeTypeAndIndent(t *testing.T) {
assert := assert.New(t)
// Restore to the original values
defer func(link, mid, end EdgeType, indent int) {
EdgeTypeLink = link
EdgeTypeMid = mid
EdgeTypeEnd = end
IndentSize = indent
}(EdgeTypeLink, EdgeTypeMid, EdgeTypeEnd, IndentSize)
EdgeTypeLink = "|"
EdgeTypeMid = "+-"
EdgeTypeEnd = "+-"
IndentSize = 2
tree := New()
tree.AddBranch("one").AddNode("two")
foo := tree.AddBranch("foo")
foo.AddBranch("bar").AddNode("a").AddNode("b").AddNode("c")
foo.AddNode("end")
actual := tree.String()
expected := `.
+- one
| +- two
+- foo
+- bar
| +- a
| +- b
| +- c
+- end
`
assert.Equal(expected, actual)
}
func TestRelationships(t *testing.T) {
assert := assert.New(t)
tree := New()
tree.AddBranch("one").AddNode("two")
foo := tree.AddBranch("foo")
foo.AddBranch("bar").AddNode("a").AddNode("b").AddNode("c")
foo.AddNode("end")
treeNode := tree.(*Node)
assert.Nil(treeNode.Root)
assert.Len(treeNode.Nodes, 2)
assert.Equal(treeNode, treeNode.Nodes[0].Root)
assert.Equal(treeNode.Nodes[0], treeNode.Nodes[0].Nodes[0].Root)
}
func TestMultiline(t *testing.T) {
assert := assert.New(t)
multi1 := `I am
a multiline
value`
multi2 := `I have
many
empty lines`
multi3 := `I am another
multiple
lines value`
tree := New()
tree.AddBranch("one").AddMetaNode("meta", multi1)
tree.AddBranch("two")
foo := tree.AddBranch("foo")
foo.AddBranch("bar").AddNode("a").AddNode(multi2).AddNode("c")
foo.AddBranch(multi3)
actual := tree.String()
expected := `.
├── one
│ └── [meta] I am
│ a multiline
│ value
├── two
└── foo
├── bar
│ ├── a
│ ├── I have
│ │ many
│ │
│ │
│ │ empty lines
│ └── c
└── I am another
multiple
lines value
`
assert.Equal(expected, actual)
}
func TestVisitAll(t *testing.T) {
tree := New()
one := tree.AddBranch("one")
one.AddNode("one-subnode1").AddNode("one-subnode2")
one.AddBranch("two").AddNode("two-subnode1").AddNode("two-subnode2").
AddBranch("three").AddNode("three-subnode1").AddNode("three-subnode2")
tree.AddNode("outernode")
var visitedNodeValues []Value
expectedNodeValues := []Value{
"one",
"one-subnode1",
"one-subnode2",
"two",
"two-subnode1",
"two-subnode2",
"three",
"three-subnode1",
"three-subnode2",
"outernode",
}
tree.VisitAll(func(item *Node) {
visitedNodeValues = append(visitedNodeValues, item.Value)
})
assert := assert.New(t)
assert.Equal(expectedNodeValues, visitedNodeValues)
}