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selector_test.go
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selector_test.go
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package selector_test
import (
"fmt"
"net/http"
"testing"
"github.com/PuerkitoBio/goquery"
"github.com/steinfletcher/apitest"
selector "github.com/steinfletcher/apitest-css-selector"
)
func TestTextExists(t *testing.T) {
apitest.New().
HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write([]byte(`<html>
<head>
<title>My document</title>
</head>
<body>
<h1>Header</h1>
<p>Some text to match on</p>
</body>
</html>`,
))
w.WriteHeader(http.StatusOK)
}).
Get("/").
Expect(t).
Status(http.StatusOK).
Assert(selector.TextExists("Some text to match on")).
End()
}
func TestWithDataTestID(t *testing.T) {
apitest.New().
HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write([]byte(`<html>
<head>
<title>My document</title>
</head>
<body>
<h1>Header</h1>
<div data-test-id="some-test-id">
<div>some content</div>
</div>
</body>
</html>`,
))
w.WriteHeader(http.StatusOK)
}).
Get("/").
Expect(t).
Status(http.StatusOK).
Assert(selector.ContainsTextValue(selector.DataTestID("some-test-id"), "some content")).
End()
}
func TestSelector_FirstTextValue(t *testing.T) {
tests := map[string]struct {
selector string
responseBody string
expected string
}{
"first text value": {
selector: "h1",
responseBody: `<html>
<head>
<title>My document</title>
</head>
<body>
<h1>Header</h1>
</body>
</html>`,
expected: "Header",
},
"first text value with class": {
selector: ".myClass",
responseBody: `<div class="myClass">content</div>`,
expected: "content",
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
apitest.New().
HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write([]byte(test.responseBody))
w.WriteHeader(http.StatusOK)
}).
Get("/").
Expect(t).
Status(http.StatusOK).
Assert(selector.FirstTextValue(test.selector, test.expected)).
End()
})
}
}
func TestSelector_FirstTextValue_NoMatch(t *testing.T) {
verifier := &mockVerifier{
EqualMock: func(t *testing.T, expected, actual interface{}, msgAndArgs ...interface{}) bool {
expectedError := "did not find expected value for selector '.myClass'"
if actual.(error).Error() != expectedError {
t.Fatalf("actual was unexpected: %v", actual)
}
return true
},
}
apitest.New().
Verifier(verifier).
HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write([]byte(`<div class="myClass">content</div>`))
w.WriteHeader(http.StatusOK)
}).
Get("/").
Expect(t).
Assert(selector.FirstTextValue(".myClass", "notContent")).
End()
}
func TestSelector_NthTextValue(t *testing.T) {
tests := map[string]struct {
selector string
responseBody string
expected string
n int
}{
"second text value": {
selector: ".myClass",
responseBody: `<div>
<div class="myClass">first</div>
<div class="myClass">second</div>
</div>`, expected: "first",
n: 0,
},
"last text value": {
selector: ".myClass",
responseBody: `<div>
<div class="myClass">first</div>
<div class="myClass">second</div>
</div>`, expected: "second",
n: 1,
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
apitest.New().
HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write([]byte(test.responseBody))
w.WriteHeader(http.StatusOK)
}).
Get("/").
Expect(t).
Status(http.StatusOK).
Assert(selector.NthTextValue(test.n, test.selector, test.expected)).
End()
})
}
}
func TestSelector_TextValueContains(t *testing.T) {
tests := map[string]struct {
selector string
responseBody string
expected string
}{
"text value contains": {
selector: ".myClass",
responseBody: `<div>
<div class="myClass">first</div>
<div class="myClass">something second</div>
</div>`,
expected: "second",
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
apitest.New().
HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write([]byte(test.responseBody))
w.WriteHeader(http.StatusOK)
}).
Get("/").
Expect(t).
Status(http.StatusOK).
Assert(selector.ContainsTextValue(test.selector, test.expected)).
End()
})
}
}
func TestSelector_Exists_NoMatch(t *testing.T) {
verifier := &mockVerifier{
EqualMock: func(t *testing.T, expected, actual interface{}, msgAndArgs ...interface{}) bool {
expectedError := "expected found='true' for selector '.myClass'"
if actual.(error).Error() != expectedError {
t.Fatal()
}
return true
},
}
apitest.New().
Verifier(verifier).
HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write([]byte(`<div class="someClass">content</div>`))
w.WriteHeader(http.StatusOK)
}).
Get("/").
Expect(t).
Assert(selector.Exists(".myClass")).
End()
}
func TestSelector_Exists(t *testing.T) {
tests := map[string]struct {
exists bool
selector []string
responseBody string
}{
"exists": {
exists: true,
selector: []string{`div[data-test-id^="product-"]`},
},
"multiple exists": {
exists: true,
selector: []string{`div[data-test-id^="product-"]`, `.otherClass`},
},
"not exists": {
exists: false,
selector: []string{`div[data-test-id^="product-4"]`},
},
"multiple not exists": {
exists: false,
selector: []string{`div[data-test-id^="product-4"]`, `.notExistClass`},
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
sel := selector.NotExists(test.selector...)
if test.exists {
sel = selector.Exists(test.selector...)
}
apitest.New().
HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write([]byte(`<div>
<div class="myClass">first</div>
<div class="otherClass">something second</div>
<div data-test-id="product-5">first</div>
</div>`))
w.WriteHeader(http.StatusOK)
}).
Get("/").
Expect(t).
Assert(sel).
End()
})
}
}
func TestSelector_Selection(t *testing.T) {
tests := map[string]struct {
selector string
selectionFunc func(*goquery.Selection) error
responseBody string
expectedText string
}{
"with selection": {
selector: `div[data-test-id^="product-"]`,
responseBody: `<div>
<div class="otherClass">something second</div>
<div data-test-id="product-5">
<div class="myClass">expectedText</div>
</div>
</div>`,
expectedText: "expectedText",
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
apitest.New().
HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write([]byte(test.responseBody))
w.WriteHeader(http.StatusOK)
}).
Get("/").
Expect(t).
Status(http.StatusOK).
Assert(selector.Selection(test.selector, func(selection *goquery.Selection) error {
if test.expectedText != selection.Find(".myClass").Text() {
return fmt.Errorf("text did not match")
}
return nil
})).
End()
})
}
}
func TestSelector_Selection_NotMatch(t *testing.T) {
verifier := &mockVerifier{
EqualMock: func(t *testing.T, expected, actual interface{}, msgAndArgs ...interface{}) bool {
expectedError := "text did not match"
if actual.(error).Error() != expectedError {
t.Fatalf("actual was unexpected: %v", actual)
}
return true
},
}
tests := map[string]struct {
selector string
selectionFunc func(*goquery.Selection) error
responseBody string
expectedText string
}{
"with selection": {
selector: `div[data-test-id^="product-"]`,
responseBody: `<div>
<div class="otherClass">something second</div>
<div data-test-id="product-5">
<div class="myClass">notExpectedText</div>
</div>
</div>`,
expectedText: "expectedText",
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
apitest.New().
Verifier(verifier).
HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write([]byte(test.responseBody))
w.WriteHeader(http.StatusOK)
}).
Get("/").
Expect(t).
Assert(selector.Selection(test.selector, func(selection *goquery.Selection) error {
if test.expectedText != selection.Find(".myClass").Text() {
return fmt.Errorf("text did not match")
}
return nil
})).
End()
})
}
}
func TestSelector_MultipleExists_NoMatch(t *testing.T) {
verifier := &mockVerifier{
EqualMock: func(t *testing.T, expected, actual interface{}, msgAndArgs ...interface{}) bool {
expectedError := "expected found='true' for selector '.myClass'"
if actual.(error).Error() != expectedError {
t.Fatalf("actual was unexpected: %v", actual)
}
return true
},
}
apitest.New().
Verifier(verifier).
HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write([]byte(`<div class="someClass">content</div>`))
w.WriteHeader(http.StatusOK)
}).
Get("/").
Expect(t).
Assert(selector.Exists(".someClass", ".myClass")).
End()
}
type mockVerifier struct {
EqualInvoked bool
EqualMock func(t *testing.T, expected, actual interface{}, msgAndArgs ...interface{}) bool
JSONEqInvoked bool
JSONEqMock func(t *testing.T, expected string, actual string, msgAndArgs ...interface{}) bool
FailInvoked bool
FailMock func(t *testing.T, failureMessage string, msgAndArgs ...interface{}) bool
}
func (m *mockVerifier) Equal(t *testing.T, expected, actual interface{}, msgAndArgs ...interface{}) bool {
m.EqualInvoked = true
return m.EqualMock(t, expected, actual, msgAndArgs)
}
func (m *mockVerifier) JSONEq(t *testing.T, expected string, actual string, msgAndArgs ...interface{}) bool {
m.JSONEqInvoked = true
return m.JSONEqMock(t, expected, actual, msgAndArgs)
}
func (m *mockVerifier) Fail(t *testing.T, failureMessage string, msgAndArgs ...interface{}) bool {
m.FailInvoked = true
return m.FailMock(t, failureMessage, msgAndArgs)
}