/*
   Copyright 2014 CoreOS, Inc.

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/

package validate

import (
	"bytes"
	"reflect"
	"testing"
)

func TestEntry(t *testing.T) {
	tests := []struct {
		entry Entry

		str  string
		json []byte
	}{
		{
			Entry{entryInfo, "test info", 1},
			"line 1: info: test info",
			[]byte(`{"kind":"info","line":1,"message":"test info"}`),
		},
		{
			Entry{entryWarning, "test warning", 1},
			"line 1: warning: test warning",
			[]byte(`{"kind":"warning","line":1,"message":"test warning"}`),
		},
		{
			Entry{entryError, "test error", 2},
			"line 2: error: test error",
			[]byte(`{"kind":"error","line":2,"message":"test error"}`),
		},
	}

	for _, tt := range tests {
		if str := tt.entry.String(); tt.str != str {
			t.Errorf("bad string (%q): want %q, got %q", tt.entry, tt.str, str)
		}
		json, err := tt.entry.MarshalJSON()
		if err != nil {
			t.Errorf("bad error (%q): want %v, got %q", tt.entry, nil, err)
		}
		if !bytes.Equal(tt.json, json) {
			t.Errorf("bad JSON (%q): want %q, got %q", tt.entry, tt.json, json)
		}
	}
}

func TestReport(t *testing.T) {
	type reportFunc struct {
		fn      func(*Report, int, string)
		line    int
		message string
	}

	tests := []struct {
		fs []reportFunc

		es []Entry
	}{
		{
			[]reportFunc{
				{(*Report).Warning, 1, "test warning 1"},
				{(*Report).Error, 2, "test error 2"},
				{(*Report).Info, 10, "test info 10"},
			},
			[]Entry{
				Entry{entryWarning, "test warning 1", 1},
				Entry{entryError, "test error 2", 2},
				Entry{entryInfo, "test info 10", 10},
			},
		},
	}

	for _, tt := range tests {
		r := Report{}
		for _, f := range tt.fs {
			f.fn(&r, f.line, f.message)
		}
		if es := r.Entries(); !reflect.DeepEqual(tt.es, es) {
			t.Errorf("bad entries (%v): want %#v, got %#v", tt.fs, tt.es, es)
		}
	}
}