equality_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
    18  
    19  import (
    20  	"testing"
    21  
    22  	"golang.org/x/tools/cover"
    23  )
    24  
    25  func TestBlocksEqualValid(t *testing.T) {
    26  	a := cover.ProfileBlock{
    27  		StartLine: 1,
    28  		StartCol:  2,
    29  		EndLine:   3,
    30  		EndCol:    4,
    31  		NumStmt:   5,
    32  		Count:     6,
    33  	}
    34  	b := cover.ProfileBlock{
    35  		StartLine: 1,
    36  		StartCol:  2,
    37  		EndLine:   3,
    38  		EndCol:    4,
    39  		NumStmt:   5,
    40  		Count:     7,
    41  	}
    42  	if !blocksEqual(a, b) {
    43  		t.Error("equivalent blocks treated as mismatching")
    44  	}
    45  }
    46  
    47  func TestBlocksEqualBadStartLine(t *testing.T) {
    48  	a := cover.ProfileBlock{
    49  		StartLine: 1,
    50  		StartCol:  2,
    51  		EndLine:   3,
    52  		EndCol:    4,
    53  		NumStmt:   5,
    54  		Count:     6,
    55  	}
    56  	b := cover.ProfileBlock{
    57  		StartLine: 8,
    58  		StartCol:  2,
    59  		EndLine:   3,
    60  		EndCol:    4,
    61  		NumStmt:   5,
    62  		Count:     7,
    63  	}
    64  	if blocksEqual(a, b) {
    65  		t.Error("mismatching StartLine considered equivalent")
    66  	}
    67  }
    68  
    69  func TestBlocksEqualBadStartCol(t *testing.T) {
    70  	a := cover.ProfileBlock{
    71  		StartLine: 1,
    72  		StartCol:  2,
    73  		EndLine:   3,
    74  		EndCol:    4,
    75  		NumStmt:   5,
    76  		Count:     6,
    77  	}
    78  	b := cover.ProfileBlock{
    79  		StartLine: 1,
    80  		StartCol:  8,
    81  		EndLine:   3,
    82  		EndCol:    4,
    83  		NumStmt:   5,
    84  		Count:     7,
    85  	}
    86  	if blocksEqual(a, b) {
    87  		t.Error("mismatching StartCol considered equivalent")
    88  	}
    89  }
    90  
    91  func TestBlocksEqualBadEndLine(t *testing.T) {
    92  	a := cover.ProfileBlock{
    93  		StartLine: 1,
    94  		StartCol:  2,
    95  		EndLine:   3,
    96  		EndCol:    4,
    97  		NumStmt:   5,
    98  		Count:     6,
    99  	}
   100  	b := cover.ProfileBlock{
   101  		StartLine: 1,
   102  		StartCol:  2,
   103  		EndLine:   8,
   104  		EndCol:    4,
   105  		NumStmt:   5,
   106  		Count:     7,
   107  	}
   108  	if blocksEqual(a, b) {
   109  		t.Error("mismatching EndLine considered equivalent")
   110  	}
   111  }
   112  
   113  func TestBlocksEqualBadEndCol(t *testing.T) {
   114  	a := cover.ProfileBlock{
   115  		StartLine: 1,
   116  		StartCol:  2,
   117  		EndLine:   3,
   118  		EndCol:    4,
   119  		NumStmt:   5,
   120  		Count:     6,
   121  	}
   122  	b := cover.ProfileBlock{
   123  		StartLine: 1,
   124  		StartCol:  2,
   125  		EndLine:   3,
   126  		EndCol:    8,
   127  		NumStmt:   5,
   128  		Count:     7,
   129  	}
   130  	if blocksEqual(a, b) {
   131  		t.Error("mismatching EndCol considered equivalent")
   132  	}
   133  }
   134  
   135  func TestBlocksEqualBadNumStmt(t *testing.T) {
   136  	a := cover.ProfileBlock{
   137  		StartLine: 1,
   138  		StartCol:  2,
   139  		EndLine:   3,
   140  		EndCol:    4,
   141  		NumStmt:   5,
   142  		Count:     6,
   143  	}
   144  	b := cover.ProfileBlock{
   145  		StartLine: 1,
   146  		StartCol:  2,
   147  		EndLine:   3,
   148  		EndCol:    4,
   149  		NumStmt:   8,
   150  		Count:     7,
   151  	}
   152  	if blocksEqual(a, b) {
   153  		t.Error("mismatching NumStmt considered equivalent")
   154  	}
   155  }
   156  
   157  func TestEnsureProfilesMatch(t *testing.T) {
   158  	a := &cover.Profile{
   159  		FileName: "a.go",
   160  		Mode:     "count",
   161  		Blocks: []cover.ProfileBlock{
   162  			{StartLine: 1, StartCol: 14, EndLine: 5, EndCol: 13, NumStmt: 4, Count: 3},
   163  			{StartLine: 7, StartCol: 4, EndLine: 12, EndCol: 4, NumStmt: 3, Count: 2},
   164  		},
   165  	}
   166  	b := &cover.Profile{
   167  		FileName: "a.go",
   168  		Mode:     "count",
   169  		Blocks: []cover.ProfileBlock{
   170  			{StartLine: 1, StartCol: 14, EndLine: 5, EndCol: 13, NumStmt: 4, Count: 7},
   171  			{StartLine: 7, StartCol: 4, EndLine: 12, EndCol: 4, NumStmt: 3, Count: 2},
   172  		},
   173  	}
   174  
   175  	if err := ensureProfilesMatch(a, b); err != nil {
   176  		t.Errorf("unexpected error comparing matching profiles: %v", err)
   177  	}
   178  }
   179  
   180  func TestEnsureProfilesMatchBadName(t *testing.T) {
   181  	a := &cover.Profile{
   182  		FileName: "a.go",
   183  		Mode:     "count",
   184  		Blocks: []cover.ProfileBlock{
   185  			{StartLine: 1, StartCol: 14, EndLine: 5, EndCol: 13, NumStmt: 4, Count: 3},
   186  			{StartLine: 7, StartCol: 4, EndLine: 12, EndCol: 4, NumStmt: 3, Count: 2},
   187  		},
   188  	}
   189  	b := &cover.Profile{
   190  		FileName: "b.go",
   191  		Mode:     "count",
   192  		Blocks: []cover.ProfileBlock{
   193  			{StartLine: 1, StartCol: 14, EndLine: 5, EndCol: 13, NumStmt: 4, Count: 7},
   194  			{StartLine: 7, StartCol: 4, EndLine: 12, EndCol: 4, NumStmt: 3, Count: 2},
   195  		},
   196  	}
   197  
   198  	if ensureProfilesMatch(a, b) == nil {
   199  		t.Errorf("expected profiles with mismatching FileName to not match")
   200  	}
   201  }
   202  
   203  func TestEnsureProfilesMatchBadMode(t *testing.T) {
   204  	a := &cover.Profile{
   205  		FileName: "a.go",
   206  		Mode:     "count",
   207  		Blocks: []cover.ProfileBlock{
   208  			{StartLine: 1, StartCol: 14, EndLine: 5, EndCol: 13, NumStmt: 4, Count: 3},
   209  			{StartLine: 7, StartCol: 4, EndLine: 12, EndCol: 4, NumStmt: 3, Count: 2},
   210  		},
   211  	}
   212  	b := &cover.Profile{
   213  		FileName: "a.go",
   214  		Mode:     "set",
   215  		Blocks: []cover.ProfileBlock{
   216  			{StartLine: 1, StartCol: 14, EndLine: 5, EndCol: 13, NumStmt: 4, Count: 7},
   217  			{StartLine: 7, StartCol: 4, EndLine: 12, EndCol: 4, NumStmt: 3, Count: 2},
   218  		},
   219  	}
   220  
   221  	if ensureProfilesMatch(a, b) == nil {
   222  		t.Errorf("expected profiles with mismatching Mode to not match")
   223  	}
   224  }
   225  
   226  func TestEnsureProfilesMatchBadBlockCount(t *testing.T) {
   227  	a := &cover.Profile{
   228  		FileName: "a.go",
   229  		Mode:     "count",
   230  		Blocks: []cover.ProfileBlock{
   231  			{StartLine: 1, StartCol: 14, EndLine: 5, EndCol: 13, NumStmt: 4, Count: 3},
   232  			{StartLine: 7, StartCol: 4, EndLine: 12, EndCol: 4, NumStmt: 3, Count: 2},
   233  		},
   234  	}
   235  	b := &cover.Profile{
   236  		FileName: "b.go",
   237  		Mode:     "count",
   238  		Blocks: []cover.ProfileBlock{
   239  			{StartLine: 1, StartCol: 14, EndLine: 5, EndCol: 13, NumStmt: 4, Count: 7},
   240  		},
   241  	}
   242  
   243  	if ensureProfilesMatch(a, b) == nil {
   244  		t.Errorf("expected profiles with mismatching block count to not match")
   245  	}
   246  }
   247  
   248  func TestEnsureProfilesMatchBadBlock(t *testing.T) {
   249  	a := &cover.Profile{
   250  		FileName: "a.go",
   251  		Mode:     "count",
   252  		Blocks: []cover.ProfileBlock{
   253  			{StartLine: 1, StartCol: 14, EndLine: 5, EndCol: 13, NumStmt: 4, Count: 3},
   254  			{StartLine: 7, StartCol: 4, EndLine: 12, EndCol: 4, NumStmt: 3, Count: 2},
   255  		},
   256  	}
   257  	b := &cover.Profile{
   258  		FileName: "b.go",
   259  		Mode:     "count",
   260  		Blocks: []cover.ProfileBlock{
   261  			{StartLine: 2, StartCol: 14, EndLine: 5, EndCol: 13, NumStmt: 4, Count: 7},
   262  			{StartLine: 7, StartCol: 4, EndLine: 12, EndCol: 4, NumStmt: 3, Count: 2},
   263  		},
   264  	}
   265  
   266  	if ensureProfilesMatch(a, b) == nil {
   267  		t.Errorf("expected profiles with mismatching block content to not match")
   268  	}
   269  }
   270
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