refactored environment tests
This commit is contained in:
Ilya Puchka
@@ -5,7 +5,13 @@ import PathKit
|
||||
|
||||
func testEnvironment() {
|
||||
describe("Environment") {
|
||||
let environment = Environment(loader: ExampleLoader())
|
||||
var environment: Environment!
|
||||
var template: Template!
|
||||
|
||||
$0.before {
|
||||
environment = Environment(loader: ExampleLoader())
|
||||
template = nil
|
||||
}
|
||||
|
||||
$0.it("can load a template from a name") {
|
||||
let template = try environment.loadTemplate(name: "example.html")
|
||||
@@ -39,250 +45,264 @@ func testEnvironment() {
|
||||
return TemplateSyntaxError(reason: description, token: token, template: template, parentError: nil)
|
||||
}
|
||||
|
||||
func expectError(reason: String, token: String) throws {
|
||||
let expectedError = expectedSyntaxError(token: token, template: template, description: reason)
|
||||
|
||||
let error = try expect(environment.render(template: template, context: ["names": ["Bob", "Alice"], "name": "Bob"]))
|
||||
.toThrow(expectedError)
|
||||
try expect(environment.errorReporter.renderError(error)) == environment.errorReporter.renderError(expectedError)
|
||||
}
|
||||
|
||||
$0.context("given syntax error") {
|
||||
|
||||
$0.it("reports syntax error on invalid for tag syntax") {
|
||||
let template: Template = "Hello {% for name in %}{{ name }}, {% endfor %}!"
|
||||
let error = expectedSyntaxError(token: "for name in", template: template, description: "'for' statements should use the following syntax 'for x in y where condition'.")
|
||||
try expect(try environment.renderTemplate(string: template.templateString, context:["names": ["Bob", "Alice"]])).toThrow(error)
|
||||
template = "Hello {% for name in %}{{ name }}, {% endfor %}!"
|
||||
try expectError(reason: "'for' statements should use the following syntax 'for x in y where condition'.", token: "for name in")
|
||||
}
|
||||
|
||||
$0.it("reports syntax error on missing endfor") {
|
||||
let template: Template = "{% for name in names %}{{ name }}"
|
||||
let error = expectedSyntaxError(token: "for name in names", template: template, description: "`endfor` was not found.")
|
||||
try expect(try environment.renderTemplate(string: template.templateString, context: ["names": ["Bob", "Alice"]])).toThrow(error)
|
||||
template = "{% for name in names %}{{ name }}"
|
||||
try expectError(reason: "`endfor` was not found.", token: "for name in names")
|
||||
}
|
||||
|
||||
$0.it("reports syntax error on unknown tag") {
|
||||
let template: Template = "{% for name in names %}{{ name }}{% end %}"
|
||||
let error = expectedSyntaxError(token: "end", template: template, description: "Unknown template tag 'end'")
|
||||
try expect(try environment.renderTemplate(string: template.templateString, context: ["names": ["Bob", "Alice"]])).toThrow(error)
|
||||
template = "{% for name in names %}{{ name }}{% end %}"
|
||||
try expectError(reason: "Unknown template tag 'end'", token: "end")
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
$0.context("given unknown filter") {
|
||||
func expectedFilterError(token: String, template: Template) -> TemplateSyntaxError {
|
||||
return expectedSyntaxError(token: token, template: template, description: "Unknown filter 'unknown'")
|
||||
}
|
||||
|
||||
$0.it("reports syntax error in for tag") {
|
||||
let template: Template = "{% for name in names|unknown %}{{ name }}{% endfor %}"
|
||||
let error = expectedFilterError(token: "names|unknown", template: template)
|
||||
try expect(try environment.renderTemplate(string: template.templateString, context: ["names": ["Bob", "Alice"]])).toThrow(error)
|
||||
template = "{% for name in names|unknown %}{{ name }}{% endfor %}"
|
||||
try expectError(reason: "Unknown filter 'unknown'", token: "names|unknown")
|
||||
}
|
||||
|
||||
$0.it("reports syntax error in for-where tag") {
|
||||
let template: Template = "{% for name in names where name|unknown %}{{ name }}{% endfor %}"
|
||||
let error = expectedFilterError(token: "name|unknown", template: template)
|
||||
try expect(try environment.renderTemplate(string: template.templateString, context: ["names": ["Bob", "Alice"]])).toThrow(error)
|
||||
template = "{% for name in names where name|unknown %}{{ name }}{% endfor %}"
|
||||
try expectError(reason: "Unknown filter 'unknown'", token: "name|unknown")
|
||||
}
|
||||
|
||||
$0.it("reports syntax error in if tag") {
|
||||
let template: Template = "{% if name|unknown %}{{ name }}{% endif %}"
|
||||
let error = expectedFilterError(token: "name|unknown", template: template)
|
||||
try expect(try environment.renderTemplate(string: template.templateString, context: ["name": "Bob"])).toThrow(error)
|
||||
template = "{% if name|unknown %}{{ name }}{% endif %}"
|
||||
try expectError(reason: "Unknown filter 'unknown'", token: "name|unknown")
|
||||
}
|
||||
|
||||
$0.it("reports syntax error in elif tag") {
|
||||
let template: Template = "{% if name %}{{ name }}{% elif name|unknown %}{% endif %}"
|
||||
let error = expectedFilterError(token: "name|unknown", template: template)
|
||||
try expect(try environment.renderTemplate(string: template.templateString, context: ["name": "Bob"])).toThrow(error)
|
||||
template = "{% if name %}{{ name }}{% elif name|unknown %}{% endif %}"
|
||||
try expectError(reason: "Unknown filter 'unknown'", token: "name|unknown")
|
||||
}
|
||||
|
||||
$0.it("reports syntax error in ifnot tag") {
|
||||
let template: Template = "{% ifnot name|unknown %}{{ name }}{% endif %}"
|
||||
let error = expectedFilterError(token: "name|unknown", template: template)
|
||||
try expect(try environment.renderTemplate(string: template.templateString, context: ["name": "Bob"])).toThrow(error)
|
||||
template = "{% ifnot name|unknown %}{{ name }}{% endif %}"
|
||||
try expectError(reason: "Unknown filter 'unknown'", token: "name|unknown")
|
||||
}
|
||||
|
||||
$0.it("reports syntax error in filter tag") {
|
||||
let template: Template = "{% filter unknown %}Text{% endfilter %}"
|
||||
let error = expectedFilterError(token: "filter unknown", template: template)
|
||||
try expect(try environment.renderTemplate(string: template.templateString, context: [:])).toThrow(error)
|
||||
template = "{% filter unknown %}Text{% endfilter %}"
|
||||
try expectError(reason: "Unknown filter 'unknown'", token: "filter unknown")
|
||||
}
|
||||
|
||||
$0.it("reports syntax error in variable tag") {
|
||||
let template: Template = "{{ name|unknown }}"
|
||||
let error = expectedFilterError(token: "name|unknown", template: template)
|
||||
try expect(try environment.renderTemplate(string: template.templateString, context: ["name": "Bob"])).toThrow(error)
|
||||
template = "{{ name|unknown }}"
|
||||
try expectError(reason: "Unknown filter 'unknown'", token: "name|unknown")
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
$0.context("given rendering error") {
|
||||
$0.it("reports rendering error in variable filter") {
|
||||
let template: Template = "{{ name|throw }}"
|
||||
|
||||
var environment = environment
|
||||
$0.it("reports rendering error in variable filter") {
|
||||
let filterExtension = Extension()
|
||||
filterExtension.registerFilter("throw") { (value: Any?) in
|
||||
throw TemplateSyntaxError("Filter rendering error")
|
||||
throw TemplateSyntaxError("filter error")
|
||||
}
|
||||
environment.extensions += [filterExtension]
|
||||
|
||||
let error = expectedSyntaxError(token: "name|throw", template: template, description: "Filter rendering error")
|
||||
try expect(try environment.renderTemplate(string: template.templateString, context: ["name": "Bob"])).toThrow(error)
|
||||
template = Template(templateString: "{{ name|throw }}", environment: environment)
|
||||
try expectError(reason: "filter error", token: "name|throw")
|
||||
}
|
||||
|
||||
$0.it("reports rendering error in filter tag") {
|
||||
let template: Template = "{% filter throw %}Test{% endfilter %}"
|
||||
|
||||
var environment = environment
|
||||
let filterExtension = Extension()
|
||||
filterExtension.registerFilter("throw") { (value: Any?) in
|
||||
throw TemplateSyntaxError("Filter rendering error")
|
||||
throw TemplateSyntaxError("filter error")
|
||||
}
|
||||
environment.extensions += [filterExtension]
|
||||
|
||||
let error = expectedSyntaxError(token: "filter throw", template: template, description: "Filter rendering error")
|
||||
try expect(try environment.renderTemplate(string: template.templateString, context: [:])).toThrow(error)
|
||||
template = Template(templateString: "{% filter throw %}Test{% endfilter %}", environment: environment)
|
||||
try expectError(reason: "filter error", token: "filter throw")
|
||||
}
|
||||
|
||||
$0.it("reports rendering error in simple tag") {
|
||||
let template: Template = "{% simpletag %}"
|
||||
|
||||
var environment = environment
|
||||
let tagExtension = Extension()
|
||||
tagExtension.registerSimpleTag("simpletag") { context in
|
||||
throw TemplateSyntaxError("simpletag error")
|
||||
}
|
||||
environment.extensions += [tagExtension]
|
||||
|
||||
let error = expectedSyntaxError(token: "simpletag", template: template, description: "simpletag error")
|
||||
try expect(try environment.renderTemplate(string: template.templateString, context: [:])).toThrow(error)
|
||||
template = Template(templateString: "{% simpletag %}", environment: environment)
|
||||
try expectError(reason: "simpletag error", token: "simpletag")
|
||||
}
|
||||
|
||||
$0.it("reporsts passing argument to simple filter") {
|
||||
let template: Template = "{{ name|uppercase:5 }}"
|
||||
|
||||
let error = expectedSyntaxError(token: "name|uppercase:5", template: template, description: "cannot invoke filter with an argument")
|
||||
try expect(try environment.renderTemplate(string: template.templateString, context: ["name": "kyle"])).toThrow(error)
|
||||
template = "{{ name|uppercase:5 }}"
|
||||
try expectError(reason: "cannot invoke filter with an argument", token: "name|uppercase:5")
|
||||
}
|
||||
|
||||
$0.it("reports rendering error in custom tag") {
|
||||
let template: Template = "{% customtag %}"
|
||||
|
||||
var environment = environment
|
||||
let tagExtension = Extension()
|
||||
tagExtension.registerTag("customtag") { parser, token in
|
||||
return ErrorNode(token: token)
|
||||
}
|
||||
environment.extensions += [tagExtension]
|
||||
|
||||
let error = expectedSyntaxError(token: "customtag", template: template, description: "Custom Error")
|
||||
try expect(try environment.renderTemplate(string: template.templateString, context: [:])).toThrow(error)
|
||||
template = Template(templateString: "{% customtag %}", environment: environment)
|
||||
try expectError(reason: "Custom Error", token: "customtag")
|
||||
}
|
||||
|
||||
$0.it("reports rendering error in for body") {
|
||||
let template: Template = "{% for item in array %}{% customtag %}{% endfor %}"
|
||||
|
||||
var environment = environment
|
||||
let tagExtension = Extension()
|
||||
tagExtension.registerTag("customtag") { parser, token in
|
||||
return ErrorNode(token: token)
|
||||
}
|
||||
environment.extensions += [tagExtension]
|
||||
|
||||
let error = expectedSyntaxError(token: "customtag", template: template, description: "Custom Error")
|
||||
try expect(try environment.renderTemplate(string: template.templateString, context: ["array": ["a"]])).toThrow(error)
|
||||
template = Template(templateString: "{% for name in names %}{% customtag %}{% endfor %}", environment: environment)
|
||||
try expectError(reason: "Custom Error", token: "customtag")
|
||||
}
|
||||
|
||||
$0.it("reports rendering error in block") {
|
||||
let template: Template = "{% block some %}{% customtag %}{% endblock %}"
|
||||
|
||||
var environment = environment
|
||||
let tagExtension = Extension()
|
||||
tagExtension.registerTag("customtag") { parser, token in
|
||||
return ErrorNode(token: token)
|
||||
}
|
||||
environment.extensions += [tagExtension]
|
||||
|
||||
let error = expectedSyntaxError(token: "customtag", template: template, description: "Custom Error")
|
||||
try expect(try environment.renderTemplate(string: template.templateString, context: ["array": ["a"]])).toThrow(error)
|
||||
template = Template(templateString: "{% block some %}{% customtag %}{% endblock %}", environment: environment)
|
||||
try expectError(reason: "Custom Error", token: "customtag")
|
||||
}
|
||||
}
|
||||
|
||||
$0.context("given related templates") {
|
||||
$0.context("given included template") {
|
||||
let path = Path(#file) + ".." + "fixtures"
|
||||
let loader = FileSystemLoader(paths: [path])
|
||||
let environment = Environment(loader: loader)
|
||||
var environment = Environment(loader: loader)
|
||||
var template: Template!
|
||||
var includedTemplate: Template!
|
||||
|
||||
$0.before {
|
||||
environment = Environment(loader: loader)
|
||||
template = nil
|
||||
includedTemplate = nil
|
||||
}
|
||||
|
||||
func expectError(reason: String, token: String, includedToken: String) throws {
|
||||
var expectedError = expectedSyntaxError(token: token, template: template, description: reason)
|
||||
expectedError.parentError = expectedSyntaxError(token: includedToken, template: includedTemplate, description: reason)
|
||||
|
||||
let error = try expect(environment.render(template: template, context: ["target": "World"]))
|
||||
.toThrow(expectedError)
|
||||
try expect(environment.errorReporter.renderError(error)) == environment.errorReporter.renderError(expectedError)
|
||||
}
|
||||
|
||||
$0.it("reports syntax error in included template") {
|
||||
let template: Template = "{% include \"invalid-include.html\" %}"
|
||||
let includedTemplate = try environment.loadTemplate(name: "invalid-include.html")
|
||||
template = Template(templateString: "{% include \"invalid-include.html\" %}", environment: environment)
|
||||
includedTemplate = try environment.loadTemplate(name: "invalid-include.html")
|
||||
|
||||
let parentError = expectedSyntaxError(token: "target|unknown", template: includedTemplate, description: "Unknown filter 'unknown'")
|
||||
var error = expectedSyntaxError(token: "include \"invalid-include.html\"", template: template, description: "Unknown filter 'unknown'")
|
||||
error.parentError = parentError
|
||||
|
||||
try expect(environment.renderTemplate(string: template.templateString, context: ["target": "World"])).toThrow(error)
|
||||
try expectError(reason: "Unknown filter 'unknown'",
|
||||
token: "include \"invalid-include.html\"",
|
||||
includedToken: "target|unknown")
|
||||
}
|
||||
|
||||
$0.it("reports runtime error in included template") {
|
||||
var environment = environment
|
||||
let filterExtension = Extension()
|
||||
filterExtension.registerFilter("unknown", filter: { (_: Any?) in
|
||||
throw TemplateSyntaxError("filter error")
|
||||
})
|
||||
environment.extensions += [filterExtension]
|
||||
|
||||
let template: Template = "{% include \"invalid-include.html\" %}"
|
||||
let includedTemplate = try environment.loadTemplate(name: "invalid-include.html")
|
||||
template = Template(templateString: "{% include \"invalid-include.html\" %}", environment: environment)
|
||||
includedTemplate = try environment.loadTemplate(name: "invalid-include.html")
|
||||
|
||||
let parentError = expectedSyntaxError(token: "target|unknown", template: includedTemplate, description: "filter error")
|
||||
var error = expectedSyntaxError(token: "include \"invalid-include.html\"", template: template, description: "filter error")
|
||||
error.parentError = parentError
|
||||
try expectError(reason: "filter error",
|
||||
token: "include \"invalid-include.html\"",
|
||||
includedToken: "target|unknown")
|
||||
}
|
||||
|
||||
try expect(environment.renderTemplate(string: template.templateString, context: ["target": "World"])).toThrow(error)
|
||||
}
|
||||
|
||||
$0.context("given base and child templates") {
|
||||
let path = Path(#file) + ".." + "fixtures"
|
||||
let loader = FileSystemLoader(paths: [path])
|
||||
var environment: Environment!
|
||||
var childTemplate: Template!
|
||||
var baseTemplate: Template!
|
||||
|
||||
$0.before {
|
||||
environment = Environment(loader: loader)
|
||||
childTemplate = nil
|
||||
baseTemplate = nil
|
||||
}
|
||||
|
||||
func expectError(reason: String, childToken: String, baseToken: String?) throws {
|
||||
var expectedError = expectedSyntaxError(token: childToken, template: childTemplate, description: reason)
|
||||
if let baseToken = baseToken {
|
||||
expectedError.parentError = expectedSyntaxError(token: baseToken, template: baseTemplate, description: reason)
|
||||
}
|
||||
|
||||
let error = try expect(environment.render(template: childTemplate, context: ["target": "World"]))
|
||||
.toThrow(expectedError)
|
||||
try expect(environment.errorReporter.renderError(error)) == environment.errorReporter.renderError(expectedError)
|
||||
}
|
||||
|
||||
$0.it("reports syntax error in base template") {
|
||||
let template = try environment.loadTemplate(name: "invalid-child-super.html")
|
||||
let baseTemplate = try environment.loadTemplate(name: "invalid-base.html")
|
||||
childTemplate = try environment.loadTemplate(name: "invalid-child-super.html")
|
||||
baseTemplate = try environment.loadTemplate(name: "invalid-base.html")
|
||||
|
||||
let parentError = expectedSyntaxError(token: "target|unknown", template: baseTemplate, description: "Unknown filter 'unknown'")
|
||||
var error = expectedSyntaxError(token: "extends \"invalid-base.html\"", template: template, description: "Unknown filter 'unknown'")
|
||||
error.parentError = parentError
|
||||
|
||||
try expect(environment.render(template: template, context: ["target": "World"])).toThrow(error)
|
||||
try expectError(reason: "Unknown filter 'unknown'",
|
||||
childToken: "extends \"invalid-base.html\"",
|
||||
baseToken: "target|unknown")
|
||||
}
|
||||
|
||||
$0.it("reports runtime error in base template") {
|
||||
var environment = environment
|
||||
let filterExtension = Extension()
|
||||
filterExtension.registerFilter("unknown", filter: { (_: Any?) in
|
||||
throw TemplateSyntaxError("filter error")
|
||||
})
|
||||
environment.extensions += [filterExtension]
|
||||
|
||||
let template = try environment.loadTemplate(name: "invalid-child-super.html")
|
||||
let baseTemplate = try environment.loadTemplate(name: "invalid-base.html")
|
||||
childTemplate = try environment.loadTemplate(name: "invalid-child-super.html")
|
||||
baseTemplate = try environment.loadTemplate(name: "invalid-base.html")
|
||||
|
||||
let parentError = expectedSyntaxError(token: "target|unknown", template: baseTemplate, description: "filter error")
|
||||
var error = expectedSyntaxError(token: "block.super", template: template, description: "filter error")
|
||||
error.parentError = parentError
|
||||
|
||||
try expect(environment.render(template: template, context: ["target": "World"])).toThrow(error)
|
||||
try expectError(reason: "filter error",
|
||||
childToken: "block.super",
|
||||
baseToken: "target|unknown")
|
||||
}
|
||||
|
||||
$0.it("reports syntax error in child template") {
|
||||
let template = Template.init(templateString: "{% extends \"base.html\" %}\n" +
|
||||
childTemplate = Template(templateString: "{% extends \"base.html\" %}\n" +
|
||||
"{% block body %}Child {{ target|unknown }}{% endblock %}", environment: environment, name: nil)
|
||||
let error = expectedSyntaxError(token: "target|unknown", template: template, description: "Unknown filter 'unknown'")
|
||||
|
||||
try expect(environment.render(template: template, context: ["target": "World"])).toThrow(error)
|
||||
try expectError(reason: "Unknown filter 'unknown'",
|
||||
childToken: "target|unknown",
|
||||
baseToken: nil)
|
||||
}
|
||||
|
||||
$0.it("reports runtime error in child template") {
|
||||
var environment = environment
|
||||
let filterExtension = Extension()
|
||||
filterExtension.registerFilter("unknown", filter: { (_: Any?) in
|
||||
throw TemplateSyntaxError("filter error")
|
||||
})
|
||||
environment.extensions += [filterExtension]
|
||||
|
||||
let template = Template.init(templateString: "{% extends \"base.html\" %}\n" +
|
||||
childTemplate = Template(templateString: "{% extends \"base.html\" %}\n" +
|
||||
"{% block body %}Child {{ target|unknown }}{% endblock %}", environment: environment, name: nil)
|
||||
let error = expectedSyntaxError(token: "target|unknown", template: template, description: "filter error")
|
||||
|
||||
try expect(environment.render(template: template, context: ["target": "World"])).toThrow(error)
|
||||
try expectError(reason: "filter error",
|
||||
childToken: "target|unknown",
|
||||
baseToken: nil)
|
||||
}
|
||||
|
||||
}
|
||||
@@ -290,6 +310,31 @@ func testEnvironment() {
|
||||
}
|
||||
}
|
||||
|
||||
private extension Expectation {
|
||||
@discardableResult
|
||||
func toThrow<T: Error & Equatable>(_ error: T) throws -> T {
|
||||
var thrownError: Error? = nil
|
||||
|
||||
do {
|
||||
_ = try expression()
|
||||
} catch {
|
||||
thrownError = error
|
||||
}
|
||||
|
||||
if let thrownError = thrownError {
|
||||
if let thrownError = thrownError as? T {
|
||||
if error != thrownError {
|
||||
throw failure("\(thrownError) is not \(error)")
|
||||
}
|
||||
return thrownError
|
||||
} else {
|
||||
throw failure("\(thrownError) is not \(error)")
|
||||
}
|
||||
} else {
|
||||
throw failure("expression did not throw an error")
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fileprivate class ExampleLoader: Loader {
|
||||
func loadTemplate(name: String, environment: Environment) throws -> Template {
|
||||
|
||||
Reference in New Issue
Block a user