feat: First implement

utils_test.go

@@ -0,0 +1,110 @@
+package chglog
+
+import (
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestDotGet(t *testing.T) {
+	assert := assert.New(t)
+	now := time.Now()
+
+	type Nest struct {
+		Str  string
+		Int  int
+		Time time.Time
+	}
+
+	type Sample struct {
+		Str  string
+		Int  int
+		Date time.Time
+		Nest Nest
+	}
+
+	sample := Sample{
+		Str:  "sample_string",
+		Int:  12,
+		Date: now,
+		Nest: Nest{
+			Str:  "nest_string",
+			Int:  34,
+			Time: now,
+		},
+	}
+
+	var val interface{}
+	var ok bool
+
+	// .Str
+	val, ok = dotGet(&sample, "Str")
+	assert.True(ok)
+	assert.Equal(val, "sample_string")
+
+	// Lowercase
+	val, ok = dotGet(&sample, "str")
+	assert.True(ok)
+	assert.Equal(val, "sample_string")
+
+	// Int
+	val, ok = dotGet(&sample, "Int")
+	assert.True(ok)
+	assert.Equal(val, 12)
+
+	// Time
+	val, ok = dotGet(&sample, "Date")
+	assert.True(ok)
+	assert.Equal(val, now)
+
+	// Nest
+	val, ok = dotGet(&sample, "Nest.Str")
+	assert.True(ok)
+	assert.Equal(val, "nest_string")
+
+	val, ok = dotGet(&sample, "Nest.Int")
+	assert.True(ok)
+	assert.Equal(val, 34)
+
+	val, ok = dotGet(&sample, "Nest.Time")
+	assert.True(ok)
+	assert.Equal(val, now)
+
+	val, ok = dotGet(&sample, "nest.int")
+	assert.True(ok)
+	assert.Equal(val, 34)
+
+	// Notfound
+	val, ok = dotGet(&sample, "not.found")
+	assert.False(ok)
+	assert.Nil(val)
+}
+
+func TestCompare(t *testing.T) {
+	assert := assert.New(t)
+
+	type sample struct {
+		a        interface{}
+		op       string
+		b        interface{}
+		expected bool
+	}
+
+	table := []sample{
+		{0, "<", 1, true},
+		{0, ">", 1, false},
+		{1, ">", 0, true},
+		{1, "<", 0, false},
+		{"a", "<", "b", true},
+		{"a", ">", "b", false},
+		{time.Unix(1518018017, 0), "<", time.Unix(1518018043, 0), true},
+		{time.Unix(1518018017, 0), ">", time.Unix(1518018043, 0), false},
+	}
+
+	for _, sa := range table {
+		actual, err := compare(sa.a, sa.op, sa.b)
+		assert.Nil(err)
+		assert.Equal(sa.expected, actual)
+	}
+}