github.com/hasnat/dolt/go@v0.0.0-20210628190320-9eb5d843fbb7/libraries/doltcore/row/row_test.go (about)

     1  // Copyright 2019 Dolthub, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package row
    16  
    17  import (
    18  	"testing"
    19  
    20  	"github.com/stretchr/testify/assert"
    21  	"github.com/stretchr/testify/require"
    22  
    23  	"github.com/dolthub/dolt/go/libraries/doltcore/schema"
    24  	"github.com/dolthub/dolt/go/store/types"
    25  )
    26  
    27  func TestGetFieldByName(t *testing.T) {
    28  	r, err := newTestRow()
    29  	require.NoError(t, err)
    30  
    31  	val, ok := GetFieldByName(lnColName, r, sch)
    32  
    33  	if !ok {
    34  		t.Error("Expected to find value")
    35  	} else if !val.Equals(lnVal) {
    36  		t.Error("Unexpected value")
    37  	}
    38  
    39  	val, ok = GetFieldByName(reservedColName, r, sch)
    40  
    41  	if ok {
    42  		t.Error("should not find missing key")
    43  	} else if val != nil {
    44  		t.Error("missing key should return null value")
    45  	}
    46  }
    47  
    48  func TestGetFieldByNameWithDefault(t *testing.T) {
    49  	r, err := newTestRow()
    50  	require.NoError(t, err)
    51  	defVal := types.String("default")
    52  
    53  	val := GetFieldByNameWithDefault(lnColName, defVal, r, sch)
    54  
    55  	if !val.Equals(lnVal) {
    56  		t.Error("expected:", lnVal, "actual", val)
    57  	}
    58  
    59  	val = GetFieldByNameWithDefault(reservedColName, defVal, r, sch)
    60  
    61  	if !val.Equals(defVal) {
    62  		t.Error("expected:", defVal, "actual", val)
    63  	}
    64  }
    65  
    66  func TestIsValid(t *testing.T) {
    67  	r, err := newTestRow()
    68  	require.NoError(t, err)
    69  
    70  	isv, err := IsValid(r, sch)
    71  	require.NoError(t, err)
    72  	assert.True(t, isv)
    73  	invCol, err := GetInvalidCol(r, sch)
    74  	require.NoError(t, err)
    75  	assert.Nil(t, invCol)
    76  	column, colConstraint, err := GetInvalidConstraint(r, sch)
    77  	require.NoError(t, err)
    78  	assert.Nil(t, column)
    79  	assert.Nil(t, colConstraint)
    80  
    81  	updatedRow, err := r.SetColVal(lnColTag, nil, sch)
    82  	require.NoError(t, err)
    83  
    84  	isv, err = IsValid(updatedRow, sch)
    85  	require.NoError(t, err)
    86  	assert.False(t, isv)
    87  
    88  	col, err := GetInvalidCol(updatedRow, sch)
    89  	require.NoError(t, err)
    90  	assert.NotNil(t, col)
    91  	assert.Equal(t, col.Tag, uint64(lnColTag))
    92  
    93  	col, cnst, err := GetInvalidConstraint(updatedRow, sch)
    94  	require.NoError(t, err)
    95  	assert.NotNil(t, col)
    96  	assert.Equal(t, col.Tag, uint64(lnColTag))
    97  	assert.Equal(t, cnst, schema.NotNullConstraint{})
    98  
    99  	// Test getting a bad column without the constraint failure
   100  	t.Run("invalid type", func(t *testing.T) {
   101  		nonPkCols := []schema.Column{
   102  			{Name: addrColName, Tag: addrColTag, Kind: types.BoolKind, IsPartOfPK: false, Constraints: nil},
   103  		}
   104  		nonKeyColColl := schema.NewColCollection(nonPkCols...)
   105  		newSch, err := schema.SchemaFromPKAndNonPKCols(testKeyColColl, nonKeyColColl)
   106  		require.NoError(t, err)
   107  
   108  		isv, err := IsValid(r, newSch)
   109  		require.NoError(t, err)
   110  		assert.False(t, isv)
   111  
   112  		col, err = GetInvalidCol(r, newSch)
   113  		require.NoError(t, err)
   114  		require.NotNil(t, col)
   115  		assert.Equal(t, col.Tag, uint64(addrColTag))
   116  
   117  		col, cnst, err = GetInvalidConstraint(r, newSch)
   118  		require.NoError(t, err)
   119  		assert.Nil(t, cnst)
   120  		assert.Equal(t, col.Tag, uint64(addrColTag))
   121  	})
   122  }
   123  
   124  func TestAreEqual(t *testing.T) {
   125  	r, err := newTestRow()
   126  	require.NoError(t, err)
   127  
   128  	updatedRow, err := r.SetColVal(lnColTag, types.String("new"), sch)
   129  	require.NoError(t, err)
   130  
   131  	assert.True(t, AreEqual(r, r, sch))
   132  	assert.False(t, AreEqual(r, updatedRow, sch))
   133  }