github.com/scottcagno/storage@v1.8.0/pkg/_junk/_lsmtree/db_test.go (about)

     1  package lsmtree
     2  
     3  import (
     4  	"fmt"
     5  	"testing"
     6  )
     7  
     8  func TestDB(t *testing.T) {
     9  
    10  	// open db
    11  	db, err := Open("test_db/ks-test")
    12  	if err != nil {
    13  		t.Errorf("db.open: %v\n", err)
    14  	}
    15  
    16  	// close db
    17  	err = db.Close()
    18  	if err != nil {
    19  		t.Errorf("db.close: %v\n", err)
    20  	}
    21  }
    22  
    23  func TestDB_Write(t *testing.T) {
    24  
    25  	// open db
    26  	db, err := Open("test_db/ks-test")
    27  	if err != nil {
    28  		t.Errorf("db.open: %v\n", err)
    29  	}
    30  
    31  	count := 5000
    32  	for i := 0; i < count; i++ {
    33  		key := fmt.Sprintf("key-%06d", i)
    34  		val := []byte(fmt.Sprintf("value-%012d", i))
    35  		err := db.Put(key, val)
    36  		if err != nil {
    37  			t.Errorf("db.put: %v\n", err)
    38  		}
    39  	}
    40  
    41  	// close db
    42  	err = db.Close()
    43  	if err != nil {
    44  		t.Errorf("db.close: %v\n", err)
    45  	}
    46  }
    47  
    48  func TestDB_Read(t *testing.T) {
    49  
    50  	// open db
    51  	db, err := Open("test_db/ks-test")
    52  	if err != nil {
    53  		t.Errorf("db.open: %v\n", err)
    54  	}
    55  
    56  	count := 5000
    57  	for i := 0; i < count; i++ {
    58  		key := fmt.Sprintf("key-%06d", i)
    59  		val, err := db.Get(key)
    60  		if err != nil {
    61  			t.Errorf("db.get: %v\n", err)
    62  		}
    63  		fmt.Printf("key=%q, value=%q\n", key, val)
    64  	}
    65  
    66  	// close db
    67  	err = db.Close()
    68  	if err != nil {
    69  		t.Errorf("db.close: %v\n", err)
    70  	}
    71  }