refactor: improve code structure and add tests

any_test.go

@@ -0,0 +1,155 @@
+package gomockctx
+
+import (
+	"context"
+	"testing"
+
+	"github.com/golang/mock/gomock"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestAny(t *testing.T) {
+	tests := []struct {
+		name string
+		x    interface{}
+		want bool
+	}{
+		{
+			name: "nil",
+			x:    nil,
+			want: false,
+		},
+		{
+			name: "empty string",
+			x:    "",
+			want: false,
+		},
+		{
+			name: "string",
+			x:    "foo bar",
+			want: false,
+		},
+		{
+			name: "int",
+			x:    42,
+			want: false,
+		},
+		{
+			name: "int8",
+			x:    int8(64),
+			want: false,
+		},
+		{
+			name: "int16",
+			x:    int16(1024),
+			want: false,
+		},
+		{
+			name: "int32",
+			x:    int32(1123456789),
+			want: false,
+		},
+		{
+			name: "int64",
+			x:    int64(16123456789),
+			want: false,
+		},
+		{
+			name: "uint",
+			x:    uint(616),
+			want: false,
+		},
+		{
+			name: "uint8",
+			x:    uint8(64),
+			want: false,
+		},
+		{
+			name: "uint16",
+			x:    uint16(1024),
+			want: false,
+		},
+		{
+			name: "uint32",
+			x:    uint32(1123456789),
+			want: false,
+		},
+		{
+			name: "uint64",
+			x:    uint64(16123456789),
+			want: false,
+		},
+		{
+			name: "byte",
+			x:    byte('A'),
+			want: false,
+		},
+		{
+			name: "rune",
+			x:    rune('A'),
+			want: false,
+		},
+		{
+			name: "float32",
+			x:    float32(6.16),
+			want: false,
+		},
+		{
+			name: "float64",
+			x:    float64(6.16),
+			want: false,
+		},
+		{
+			name: "bool",
+			x:    true,
+			want: false,
+		},
+		{
+			name: "slice",
+			x:    []string{"foo", "bar"},
+			want: false,
+		},
+		{
+			name: "array",
+			x:    [2]string{"foo", "bar"},
+			want: false,
+		},
+		{
+			name: "channel",
+			x:    make(chan bool),
+			want: false,
+		},
+		{
+			name: "func",
+			x:    func() {},
+			want: false,
+		},
+		{
+			name: "context.Background()",
+			x:    context.Background(),
+			want: true,
+		},
+		{
+			name: "context.TODO()",
+			x:    context.TODO(),
+			want: true,
+		},
+		{
+			name: "custom context",
+			x:    context.WithValue(context.Background(), ctxKey, "foo"),
+			want: true,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			m := Any()
+			require.Implements(t, (*gomock.Matcher)(nil), m)
+
+			got := m.Matches(tt.x)
+
+			assert.Equal(t, tt.want, got)
+			assert.Equal(t, "is a context.Context", m.String())
+		})
+	}
+}