diff_test.go

Documentation: edge-infra.dev/third_party/gopherage/pkg/cov

     1  /*
     2  Copyright 2018 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package cov_test
    18  
    19  import (
    20  	"golang.org/x/tools/cover"
    21  
    22  	"edge-infra.dev/third_party/gopherage/pkg/cov"
    23  
    24  	"reflect"
    25  	"testing"
    26  )
    27  
    28  func TestDiffProfilesBasicDiff(t *testing.T) {
    29  	a := []*cover.Profile{
    30  		{
    31  			FileName: "a.go",
    32  			Mode:     "count",
    33  			Blocks: []cover.ProfileBlock{
    34  				{StartLine: 1, StartCol: 14, EndLine: 5, EndCol: 13, NumStmt: 4, Count: 3},
    35  				{StartLine: 7, StartCol: 4, EndLine: 12, EndCol: 4, NumStmt: 3, Count: 2},
    36  			},
    37  		},
    38  	}
    39  	b := []*cover.Profile{
    40  		{
    41  			FileName: "a.go",
    42  			Mode:     "count",
    43  			Blocks: []cover.ProfileBlock{
    44  				{StartLine: 1, StartCol: 14, EndLine: 5, EndCol: 13, NumStmt: 4, Count: 7},
    45  				{StartLine: 7, StartCol: 4, EndLine: 12, EndCol: 4, NumStmt: 3, Count: 2},
    46  			},
    47  		},
    48  	}
    49  
    50  	result, err := cov.DiffProfiles(a, b)
    51  	if err != nil {
    52  		t.Fatalf("DiffProfiles failed: %v", err)
    53  	}
    54  
    55  	expected := []*cover.Profile{
    56  		{
    57  			FileName: "a.go",
    58  			Mode:     "count",
    59  			Blocks: []cover.ProfileBlock{
    60  				{StartLine: 1, StartCol: 14, EndLine: 5, EndCol: 13, NumStmt: 4, Count: 4},
    61  				{StartLine: 7, StartCol: 4, EndLine: 12, EndCol: 4, NumStmt: 3, Count: 0},
    62  			},
    63  		},
    64  	}
    65  
    66  	if !reflect.DeepEqual(result, expected) {
    67  		t.Fatal("diffed profile incorrect")
    68  	}
    69  }
    70  
    71  func TestDiffProfilesWrongFileName(t *testing.T) {
    72  	a := []*cover.Profile{
    73  		{
    74  			FileName: "a.go",
    75  			Mode:     "count",
    76  			Blocks: []cover.ProfileBlock{
    77  				{StartLine: 1, StartCol: 14, EndLine: 5, EndCol: 13, NumStmt: 4, Count: 3},
    78  				{StartLine: 7, StartCol: 4, EndLine: 12, EndCol: 4, NumStmt: 3, Count: 2},
    79  			},
    80  		},
    81  	}
    82  	b := []*cover.Profile{
    83  		{
    84  			FileName: "b.go",
    85  			Mode:     "count",
    86  			Blocks: []cover.ProfileBlock{
    87  				{StartLine: 1, StartCol: 14, EndLine: 5, EndCol: 13, NumStmt: 4, Count: 7},
    88  				{StartLine: 7, StartCol: 4, EndLine: 12, EndCol: 4, NumStmt: 3, Count: 2},
    89  			},
    90  		},
    91  	}
    92  	if _, err := cov.DiffProfiles(a, b); err == nil {
    93  		t.Fatal("expected DiffProfiles to fail when diffing mismatched files")
    94  	}
    95  }
    96  
    97  func TestDiffProfilesWrongFileCount(t *testing.T) {
    98  	a := []*cover.Profile{
    99  		{
   100  			FileName: "a.go",
   101  			Mode:     "count",
   102  			Blocks: []cover.ProfileBlock{
   103  				{StartLine: 1, StartCol: 14, EndLine: 5, EndCol: 13, NumStmt: 4, Count: 3},
   104  				{StartLine: 7, StartCol: 4, EndLine: 12, EndCol: 4, NumStmt: 3, Count: 2},
   105  			},
   106  		},
   107  		{
   108  			FileName: "b.go",
   109  			Mode:     "count",
   110  			Blocks: []cover.ProfileBlock{
   111  				{StartLine: 1, StartCol: 14, EndLine: 5, EndCol: 13, NumStmt: 4, Count: 3},
   112  				{StartLine: 7, StartCol: 4, EndLine: 12, EndCol: 4, NumStmt: 3, Count: 2},
   113  			},
   114  		},
   115  	}
   116  	b := []*cover.Profile{
   117  		{
   118  			FileName: "a.go",
   119  			Mode:     "count",
   120  			Blocks: []cover.ProfileBlock{
   121  				{StartLine: 1, StartCol: 14, EndLine: 5, EndCol: 13, NumStmt: 4, Count: 7},
   122  				{StartLine: 7, StartCol: 4, EndLine: 12, EndCol: 4, NumStmt: 3, Count: 2},
   123  			},
   124  		},
   125  	}
   126  	if _, err := cov.DiffProfiles(a, b); err == nil {
   127  		t.Fatal("expected DiffProfiles to fail when diffing mismatched profiles")
   128  	}
   129  }
   130
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