github.com/roboticscm/goman@v0.0.0-20210203095141-87c07b4a0a55/src/mime/type_test.go (about)

     1  // Copyright 2010 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package mime
     6  
     7  import (
     8  	"testing"
     9  )
    10  
    11  var typeTests = initMimeForTests()
    12  
    13  func TestTypeByExtension(t *testing.T) {
    14  	for ext, want := range typeTests {
    15  		val := TypeByExtension(ext)
    16  		if val != want {
    17  			t.Errorf("TypeByExtension(%q) = %q, want %q", ext, val, want)
    18  		}
    19  	}
    20  }
    21  
    22  func TestTypeByExtensionCase(t *testing.T) {
    23  	const custom = "test/test; charset=iso-8859-1"
    24  	const caps = "test/test; WAS=ALLCAPS"
    25  	if err := AddExtensionType(".TEST", caps); err != nil {
    26  		t.Fatalf("error %s for AddExtension(%s)", err, custom)
    27  	}
    28  	if err := AddExtensionType(".tesT", custom); err != nil {
    29  		t.Fatalf("error %s for AddExtension(%s)", err, custom)
    30  	}
    31  
    32  	// case-sensitive lookup
    33  	if got := TypeByExtension(".tesT"); got != custom {
    34  		t.Fatalf("for .tesT, got %q; want %q", got, custom)
    35  	}
    36  	if got := TypeByExtension(".TEST"); got != caps {
    37  		t.Fatalf("for .TEST, got %q; want %s", got, caps)
    38  	}
    39  
    40  	// case-insensitive
    41  	if got := TypeByExtension(".TesT"); got != custom {
    42  		t.Fatalf("for .TesT, got %q; want %q", got, custom)
    43  	}
    44  }
    45  
    46  func TestLookupMallocs(t *testing.T) {
    47  	n := testing.AllocsPerRun(10000, func() {
    48  		TypeByExtension(".html")
    49  		TypeByExtension(".HtML")
    50  	})
    51  	if n > 0 {
    52  		t.Errorf("allocs = %v; want 0", n)
    53  	}
    54  }