update test

makefile

@@ -0,0 +1,10 @@
+fmt:
+	go fmt
+
+test:
+	go test ./... -race -v
+
+cyclo:
+	gocyclo .
+
+all: fmt test cyclo

programmable_test.go

@@ -67,11 +67,69 @@ root
 `, "\n"),
 		},
 		{
-			name:   "case6(succeeded / output json format)",
+			name:   "case6(succeeded / output json)",
 			root:   prepareMultiNode(),
 			optFns: []OptFn{EncodeJSON()},
 			want: strings.TrimPrefix(`
 {"value":"root","children":[{"value":"child 1","children":[{"value":"child 2","children":[{"value":"child 3","children":null},{"value":"child 4","children":[{"value":"child 5","children":null},{"value":"child 6","children":[{"value":"child 7","children":null}]}]}]}]},{"value":"child 8","children":null}]}
+`, "\n"),
+		},
+		{
+			name:   "case7(succeeded / output yaml)",
+			root:   prepareMultiNode(),
+			optFns: []OptFn{EncodeYAML()},
+			want: strings.TrimPrefix(`
+value: root
+children:
+- value: child 1
+  children:
+  - value: child 2
+    children:
+    - value: child 3
+      children: []
+    - value: child 4
+      children:
+      - value: child 5
+        children: []
+      - value: child 6
+        children:
+        - value: child 7
+          children: []
+- value: child 8
+  children: []
+`, "\n"),
+		},
+		{
+			name:   "case8(succeeded / output toml)",
+			root:   prepareMultiNode(),
+			optFns: []OptFn{EncodeTOML()},
+			want: strings.TrimPrefix(`
+value = 'root'
+[[children]]
+value = 'child 1'
+[[children.children]]
+value = 'child 2'
+[[children.children.children]]
+value = 'child 3'
+children = []
+[[children.children.children]]
+value = 'child 4'
+[[children.children.children.children]]
+value = 'child 5'
+children = []
+[[children.children.children.children]]
+value = 'child 6'
+[[children.children.children.children.children]]
+value = 'child 7'
+children = []
+
+
+
+
+[[children]]
+value = 'child 8'
+children = []
+
 `, "\n"),
 		},
 	}

tree_json_test.go

@@ -0,0 +1,110 @@
+package gtree
+
+import (
+	"bytes"
+	"strings"
+	"testing"
+)
+
+func TestExecute_encodeJSON(t *testing.T) {
+	tests := []struct {
+		name string
+		in   in
+		out  out
+	}{
+		{
+			name: "case 1(tab spaces & multi root & output json)",
+			in: in{
+				input: strings.NewReader(strings.TrimSpace(`
+- a
+	- i
+		- u
+			- k
+			- kk
+		- t
+	- e
+		- o
+	- g
+- a
+	- i
+		- u
+			- k
+			- kk
+		- t
+	- e
+		- o
+	- g`)),
+				optFns: []OptFn{EncodeJSON()},
+			},
+			out: out{
+				output: strings.TrimPrefix(`
+{"value":"a","children":[{"value":"i","children":[{"value":"u","children":[{"value":"k","children":null},{"value":"kk","children":null}]},{"value":"t","children":null}]},{"value":"e","children":[{"value":"o","children":null}]},{"value":"g","children":null}]}
+{"value":"a","children":[{"value":"i","children":[{"value":"u","children":[{"value":"k","children":null},{"value":"kk","children":null}]},{"value":"t","children":null}]},{"value":"e","children":[{"value":"o","children":null}]},{"value":"g","children":null}]}
+`, "\n"),
+				err: nil,
+			},
+		},
+		{
+			name: "case 2(indent 2spaces & output json)",
+			in: in{
+				input: strings.NewReader(strings.TrimSpace(`
+- a
+  - i
+    - u
+      - k
+      - kk
+    - t
+  - e
+    - o
+  - g`)),
+				optFns: []OptFn{IndentTwoSpaces(), EncodeJSON()},
+			},
+			out: out{
+				output: strings.TrimPrefix(`
+{"value":"a","children":[{"value":"i","children":[{"value":"u","children":[{"value":"k","children":null},{"value":"kk","children":null}]},{"value":"t","children":null}]},{"value":"e","children":[{"value":"o","children":null}]},{"value":"g","children":null}]}
+`, "\n"),
+				err: nil,
+			},
+		},
+		{
+			name: "case 3(indent 4spaces & output json)",
+			in: in{
+				input: strings.NewReader(strings.TrimSpace(`
+- a
+    - i
+        - u
+            - k
+            - kk
+        - t
+    - e
+        - o
+    - g`)),
+				optFns: []OptFn{IndentFourSpaces(), EncodeJSON()},
+			},
+			out: out{
+				output: strings.TrimPrefix(`
+{"value":"a","children":[{"value":"i","children":[{"value":"u","children":[{"value":"k","children":null},{"value":"kk","children":null}]},{"value":"t","children":null}]},{"value":"e","children":[{"value":"o","children":null}]},{"value":"g","children":null}]}
+`, "\n"),
+				err: nil,
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		tt := tt
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+
+			out := &bytes.Buffer{}
+			gotErr := Execute(out, tt.in.input, tt.in.optFns...)
+			gotOutput := out.String()
+
+			if gotOutput != tt.out.output {
+				t.Errorf("\ngot: \n%s\nwant: \n%s", gotOutput, tt.out.output)
+			}
+			if gotErr != tt.out.err {
+				t.Errorf("\ngotErr: \n%v\nwantErr: \n%v", gotErr, tt.out.err)
+			}
+		})
+	}
+}