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// Tideland Go Library - Collections - Sets - Unit Tests
//
// Copyright (C) 2015 Frank Mueller / Tideland / Oldenburg / Germany
//
// All rights reserved. Use of this source code is governed
// by the new BSD license.
package collections_test
//--------------------
// IMPORTS
//--------------------
import (
"errors"
"testing"
"github.com/tideland/golib/audit"
"github.com/tideland/golib/collections"
)
//--------------------
// TESTS
//--------------------
// TestSetsAddRemove tests the core set methods.
func TestSetsAddRemove(t *testing.T) {
assert := audit.NewTestingAssertion(t, true)
set := collections.NewSet("foo", 42, true)
assert.Length(set, 3)
set.Add("foo", "bar", 123)
assert.Length(set, 5)
all := set.All()
assert.Length(all, 5)
set.Remove("yadda")
assert.Length(set, 5)
set.Remove("bar", 42)
assert.Length(set, 3)
set.Remove(false, "foo")
assert.Length(set, 2)
set.Deflate()
assert.Length(set, 0)
}
// TestSetsFindAll tests the finding of set values.
func TestSetsFindAll(t *testing.T) {
assert := audit.NewTestingAssertion(t, true)
set := collections.NewSet("foo", "bar", 42, true, "yadda", 12345)
vs, err := set.FindAll(func(v interface{}) (bool, error) {
switch v.(type) {
case string:
return true, nil
default:
return false, nil
}
})
assert.Nil(err)
assert.Length(vs, 3)
vs, err = set.FindAll(func(v interface{}) (bool, error) {
return false, errors.New("ouch")
})
assert.ErrorMatch(err, ".* cannot find all matching values: ouch")
assert.Length(vs, 0)
}
// TestSetsDoAll tests the iteration over set values.
func TestSetsDoAll(t *testing.T) {
assert := audit.NewTestingAssertion(t, true)
set := collections.NewSet("foo", "bar", 42, true, "yadda", 12345)
sl := 0
err := set.DoAll(func(v interface{}) error {
if s, ok := v.(string); ok {
sl += len(s)
}
return nil
})
assert.Nil(err)
assert.Equal(sl, 11)
err = set.DoAll(func(v interface{}) error {
return errors.New("ouch")
})
assert.ErrorMatch(err, ".* cannot perform function on all values: ouch")
}
// TestStringSetsAddRemove tests the core set methods.
func TestStringSetsAddRemove(t *testing.T) {
assert := audit.NewTestingAssertion(t, true)
set := collections.NewStringSet("foo", "42", "true")
assert.Length(set, 3)
set.Add("foo", "bar", "123")
assert.Length(set, 5)
all := set.All()
assert.Length(all, 5)
set.Remove("yadda")
assert.Length(set, 5)
set.Remove("bar", "42")
assert.Length(set, 3)
set.Remove("false", "foo")
assert.Length(set, 2)
set.Deflate()
assert.Length(set, 0)
}
// TestStringSetsFindAll tests the finding of set values.
func TestStringSetsFindAll(t *testing.T) {
assert := audit.NewTestingAssertion(t, true)
set := collections.NewStringSet("foo", "bar", "42", "true", "yadda", "12345")
vs, err := set.FindAll(func(v string) (bool, error) {
return len(v) == 3, nil
})
assert.Nil(err)
assert.Length(vs, 2)
vs, err = set.FindAll(func(v string) (bool, error) {
return false, errors.New("ouch")
})
assert.ErrorMatch(err, ".* cannot find all matching values: ouch")
assert.Length(vs, 0)
}
// TestStringSetsDoAll tests the iteration over set values.
func TestStringSetsDoAll(t *testing.T) {
assert := audit.NewTestingAssertion(t, true)
set := collections.NewStringSet("foo", "bar", "42", "true", "yadda", "12345")
sl := 0
err := set.DoAll(func(v string) error {
sl += len(v)
return nil
})
assert.Nil(err)
assert.Equal(sl, 22)
err = set.DoAll(func(v string) error {
return errors.New("ouch")
})
assert.ErrorMatch(err, ".* cannot perform function on all values: ouch")
}
// EOF
|
