github.com/vugu/vugu@v0.3.5/vugufmt/formatter_test.go (about)

     1  package vugufmt
     2  
     3  import (
     4  	"bytes"
     5  	"io/ioutil"
     6  	"os"
     7  	"path/filepath"
     8  	"strings"
     9  	"testing"
    10  
    11  	"github.com/stretchr/testify/assert"
    12  )
    13  
    14  func TestOptsCustom(t *testing.T) {
    15  	jsFormat := func(f *Formatter) {
    16  		f.ScriptFormatters["js"] = func(input []byte) ([]byte, *FmtError) {
    17  			return nil, nil
    18  		}
    19  	}
    20  	formatter := NewFormatter(jsFormat)
    21  	assert.NotNil(t, formatter.ScriptFormatters["js"])
    22  }
    23  
    24  func TestOptsGoFmt(t *testing.T) {
    25  	gofmt := UseGoFmt(false)
    26  	formatter := NewFormatter(gofmt)
    27  	assert.NotNil(t, formatter.ScriptFormatters["application/x-go"])
    28  }
    29  
    30  func TestOptsGoFmtSimple(t *testing.T) {
    31  	gofmt := UseGoFmt(true)
    32  	formatter := NewFormatter(gofmt)
    33  	assert.NotNil(t, formatter.ScriptFormatters["application/x-go"])
    34  }
    35  
    36  func TestOptsGoImports(t *testing.T) {
    37  	goimports := UseGoImports
    38  	formatter := NewFormatter(goimports)
    39  	assert.NotNil(t, goimports, formatter.ScriptFormatters["application/x-go"])
    40  }
    41  
    42  func TestVuguFmtNoError(t *testing.T) {
    43  	formatter := NewFormatter(UseGoFmt(false))
    44  	fmtr := func(f string) {
    45  		// Need to un-relativize the paths
    46  		absPath, err := filepath.Abs(f)
    47  
    48  		if filepath.Ext(absPath) != ".vugu" {
    49  			return
    50  		}
    51  
    52  		assert.NoError(t, err, f)
    53  		// get a handle on the file
    54  		testFile, err := ioutil.ReadFile(absPath)
    55  		testFileString := string(testFile)
    56  		assert.NoError(t, err, f)
    57  		// run gofmt on it
    58  		var buf bytes.Buffer
    59  		err = formatter.FormatHTML(absPath, strings.NewReader(testFileString), &buf)
    60  		assert.Nil(t, err, f)
    61  		prettyVersion := buf.String()
    62  
    63  		// make sure nothing changed!
    64  		assert.NotNil(t, buf.String(), f)
    65  		assert.Equal(t, testFileString, prettyVersion, f)
    66  
    67  		//ioutil.WriteFile(absPath+".html", []byte(prettyVersion), 0644)
    68  	}
    69  
    70  	err := filepath.Walk("./testdata/ok/", func(path string, info os.FileInfo, err error) error {
    71  		fmtr(path)
    72  		return nil
    73  	})
    74  
    75  	assert.NoError(t, err)
    76  }
    77  
    78  func TestUncompilableGo(t *testing.T) {
    79  	formatter := NewFormatter(UseGoFmt(false))
    80  	fmtr := func(f string) {
    81  		// Need to un-relativize the paths
    82  		absPath, err := filepath.Abs(f)
    83  
    84  		if filepath.Ext(absPath) != ".vugu" {
    85  			return
    86  		}
    87  
    88  		assert.NoError(t, err, f)
    89  		// get a handle on the file
    90  		testFile, err := ioutil.ReadFile(absPath)
    91  		assert.NoError(t, err, f)
    92  		testFileString := string(testFile)
    93  		// run gofmt on it
    94  		var buf bytes.Buffer
    95  		err = formatter.FormatHTML("oknow", strings.NewReader(testFileString), &buf)
    96  		ferr, ok := err.(*FmtError)
    97  		assert.True(t, ok)
    98  		assert.NotNil(t, ferr, f)
    99  		// confirm the offset is correct!
   100  		assert.Equal(t, 46, ferr.Line, f)
   101  		assert.Equal(t, 22, ferr.Column, f)
   102  	}
   103  
   104  	fmtr("./testdata/bad/badgo.vugu")
   105  
   106  }
   107  
   108  func TestEscaping(t *testing.T) {
   109  	// I'd like the > to not be escaped into >
   110  	testCode := "<div vg-if='len(data.bpi.BPI) > 0'></div>"
   111  	formatter := NewFormatter(UseGoFmt(false))
   112  	// run gofmt on it
   113  	var buf bytes.Buffer
   114  	assert.Nil(t, formatter.FormatHTML("", strings.NewReader(testCode), &buf), testCode)
   115  	prettyVersion := buf.String()
   116  	assert.Equal(t, testCode, prettyVersion)
   117  }
   118  
   119  func TestBadHTML(t *testing.T) {
   120  	testCode := "<html><head></head><body><oh no></body></html>"
   121  	formatter := NewFormatter(UseGoFmt(false))
   122  	// run gofmt on it
   123  	var buf bytes.Buffer
   124  	err := formatter.FormatHTML("", strings.NewReader(testCode), &buf)
   125  	assert.Error(t, err, testCode)
   126  	prettyVersion := buf.String()
   127  	assert.NotEqual(t, testCode, prettyVersion)
   128  }