gitlab.com/greut/eclint@v0.5.2-0.20240402114752-14681fe6e0bf/files_test.go (about)

     1  package eclint_test
     2  
     3  import (
     4  	"context"
     5  	"fmt"
     6  	"os"
     7  	"testing"
     8  
     9  	"gitlab.com/greut/eclint"
    10  )
    11  
    12  const (
    13  	// testdataSimple contains a sample editorconfig directory with
    14  	// some errors.
    15  	testdataSimple = "testdata/simple"
    16  )
    17  
    18  func TestListFiles(t *testing.T) {
    19  	d := testdataSimple
    20  
    21  	fs := 0
    22  	fsChan, errChan := eclint.ListFilesContext(context.TODO(), d)
    23  
    24  outer:
    25  	for {
    26  		select {
    27  		case err, ok := <-errChan:
    28  			if ok && err != nil {
    29  				t.Fatal(err)
    30  			}
    31  
    32  		case _, ok := <-fsChan:
    33  			if !ok {
    34  				break outer
    35  			}
    36  			fs++
    37  		}
    38  	}
    39  
    40  	if fs != 5 {
    41  		t.Errorf("%s should have five files, got %d", d, fs)
    42  	}
    43  }
    44  
    45  func TestListFilesNoArgs(t *testing.T) {
    46  	skipNoGit(t)
    47  
    48  	d := testdataSimple
    49  
    50  	cwd, err := os.Getwd()
    51  	if err != nil {
    52  		t.Fatal(err)
    53  	}
    54  
    55  	defer func() {
    56  		if err := os.Chdir(cwd); err != nil {
    57  			t.Fatal(err)
    58  		}
    59  	}()
    60  
    61  	err = os.Chdir(d)
    62  	if err != nil {
    63  		t.Fatal(err)
    64  	}
    65  
    66  	fs := 0
    67  	fsChan, errChan := eclint.ListFilesContext(context.TODO())
    68  outer:
    69  	for {
    70  		select {
    71  		case err, ok := <-errChan:
    72  			if ok && err != nil {
    73  				t.Fatal(err)
    74  			}
    75  		case _, ok := <-fsChan:
    76  			if !ok {
    77  				break outer
    78  			}
    79  			fs++
    80  		}
    81  	}
    82  
    83  	if fs != 3 {
    84  		t.Errorf("%s should have three files, got %d", d, fs)
    85  	}
    86  }
    87  
    88  func TestListFilesNoGit(t *testing.T) {
    89  	d := fmt.Sprintf("/tmp/eclint/%d", os.Getpid())
    90  
    91  	err := os.MkdirAll(d, 0o700)
    92  	if err != nil {
    93  		t.Fatal(err)
    94  	}
    95  
    96  	cwd, err := os.Getwd()
    97  	if err != nil {
    98  		t.Fatal(err)
    99  	}
   100  
   101  	defer func() {
   102  		if err := os.Chdir(cwd); err != nil {
   103  			t.Fatal(err)
   104  		}
   105  	}()
   106  
   107  	err = os.Chdir(d)
   108  	if err != nil {
   109  		t.Fatal(err)
   110  	}
   111  
   112  	_, errChan := eclint.ListFilesContext(context.TODO())
   113  
   114  	err, ok := <-errChan
   115  	if !ok || err == nil {
   116  		t.Errorf("an error was expected, got nothing")
   117  	}
   118  
   119  	fs := 0
   120  	fsChan, errChan := eclint.ListFilesContext(context.TODO(), ".")
   121  
   122  outer:
   123  	for {
   124  		select {
   125  		case err, ok := <-errChan:
   126  			if ok && err != nil {
   127  				t.Fatal(err)
   128  			}
   129  		case _, ok := <-fsChan:
   130  			if !ok {
   131  				break outer
   132  			}
   133  			fs++
   134  		}
   135  	}
   136  
   137  	if fs != 1 {
   138  		t.Errorf("%s should have one file, got %d", d, fs)
   139  	}
   140  }
   141  
   142  func TestWalk(t *testing.T) {
   143  	d := testdataSimple
   144  
   145  	fs := 0
   146  	fsChan, errChan := eclint.WalkContext(context.TODO(), d)
   147  
   148  outer:
   149  	for {
   150  		select {
   151  		case err, ok := <-errChan:
   152  			if ok && err != nil {
   153  				t.Fatal(err)
   154  			}
   155  		case _, ok := <-fsChan:
   156  			if !ok {
   157  				break outer
   158  			}
   159  			fs++
   160  		}
   161  	}
   162  
   163  	if fs != 5 {
   164  		t.Errorf("%s should have five files, got %d", d, fs)
   165  	}
   166  }
   167  
   168  func TestGitLsFiles(t *testing.T) {
   169  	skipNoGit(t)
   170  
   171  	d := testdataSimple
   172  
   173  	fs := 0
   174  	fsChan, errChan := eclint.GitLsFilesContext(context.TODO(), d)
   175  
   176  outer:
   177  	for {
   178  		select {
   179  		case err, ok := <-errChan:
   180  			if ok && err != nil {
   181  				t.Fatal(err)
   182  			}
   183  		case _, ok := <-fsChan:
   184  			if !ok {
   185  				break outer
   186  			}
   187  			fs++
   188  		}
   189  	}
   190  
   191  	if fs != 3 {
   192  		t.Errorf("%s should have three files, got %d", d, fs)
   193  	}
   194  }
   195  
   196  func TestGitLsFilesFailure(t *testing.T) {
   197  	skipNoGit(t)
   198  
   199  	d := fmt.Sprintf("/tmp/eclint/%d", os.Getpid())
   200  
   201  	err := os.MkdirAll(d, 0o700)
   202  	if err != nil {
   203  		t.Fatal(err)
   204  	}
   205  
   206  	_, errChan := eclint.GitLsFilesContext(context.TODO(), d)
   207  
   208  	if err := <-errChan; err == nil {
   209  		t.Error("an error was expected")
   210  	}
   211  }
   212  
   213  func skipNoGit(t *testing.T) {
   214  	t.Helper()
   215  
   216  	if _, err := os.Stat(".git"); os.IsNotExist(err) {
   217  		t.Skip("skipping test requiring .git to be present")
   218  	}
   219  }