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field-type.test.js
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field-type.test.js
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var Sealious = require("sealious");
module.exports = {
test_init: function() {
new Sealious.ChipTypes.FieldType({
name: "test_field_type"
});
new Sealious.ChipTypes.FieldType({
name: "rejecting_father",
is_proper_value: function(accept, reject) {
reject("Rejected by the father");
},
encode: function() {
return "from_father"
},
decode: function() {
return "from_father"
},
get_description: function() {
return "from_father"
}
})
new Sealious.ChipTypes.FieldType({
name: "accepting_son",
extends: "rejecting_father",
is_proper_value: function(accept) {
accept();
},
encode: function() {
return "from_son";
},
decode: function() {
return "from_son";
},
get_description: function() {
return "from_son"
}
})
new Sealious.ChipTypes.FieldType({
name: "hesitant_daughter",
extends: "rejecting_father"
})
},
test_start: function() {
describe("FieldType", function() {
var test_field_type = Sealious.ChipManager.get_chip("field_type", "test_field_type");
var but_it_didnt = new Error("But it didn't");
describe("default methods", function() {
describe("when not overwritten", function() {
it("should use default .is_proper_value", function(done) {
var return_value = test_field_type.is_proper_value("any_value")
.then(function() {
done();
}).catch(function(error) {
done(new Error("But it rejected."));
})
})
it("should use default .is_proper_declaration", function(done) {
var return_value = test_field_type.is_proper_declaration({});
if (typeof return_value != "boolean" || return_value != true) {
done(but_it_didnt);
} else {
done();
}
});
it("should use default .encode", function(done) {
var what_its_been_fed = "dogfood";
test_field_type.encode(new Sealious.Context(), {}, what_its_been_fed)
.then(function(encoded) {
if (encoded == what_its_been_fed) {
done();
} else {
done(new Error("But it returnet something else"));
}
}).catch(function(error) {
console.error(error);
done(new Error("but it threw an error"));
})
});
it("should use default .decode", function(done) {
var what_its_been_fed = "dogfood";
test_field_type.decode(what_its_been_fed)
.then(function(decoded) {
if (decoded == what_its_been_fed) {
done();
} else {
done(new Error("But it returnet something else"));
}
}).catch(function(error) {
console.error(error);
done(new Error("but it threw an error"));
})
});
it("should use default .get_description", function(done) {
test_field_type.get_description()
.then(function(description) {
if (description.summary == "test_field_type") {
done();
} else {
done(new Error("But it didn't"));
}
});
})
})
describe("when overwritten", function() {
var rejecting_father = Sealious.ChipManager.get_chip("field_type", "rejecting_father");
it("should use the custom .is_proper_value method", function(done) {
rejecting_father.is_proper_value("any_value")
.then(function() {
done(new Error("But it didn't (should have been rejected in this case, but wasn't)"));
}).catch(function() {
done();
});
});
it("should use the custom .encode method", function(done) {
rejecting_father.encode(new Sealious.Context(), {}, "anything")
.then(function(encoded_value) {
if (encoded_value == "from_father") {
done();
} else {
done(new Error("But it didn't"));
}
})
});
it("should use the custom .decode method", function(done) {
rejecting_father.decode("anything")
.then(function(decoded_value) {
if (decoded_value == "from_father") {
done();
} else {
done(new Error("But it didn't"));
}
})
});
it("should use the custom .get_description method", function(done) {
rejecting_father.get_description()
.then(function(description) {
if (description.summary == "from_father") {
done();
} else {
done(new Error("But it didn't"));
}
});
});
})
})
describe("inheritance", function() {
var accepting_son = Sealious.ChipManager.get_chip("field_type", "accepting_son");
var hesitant_daughter = Sealious.ChipManager.get_chip("field_type", "hesitant_daughter");
it("should inherit is_proper_value", function(done) {
accepting_son.is_proper_value(new Sealious.Context(), {}, "any")
.then(function() {
done(new Error("accepting_son accepted the value, which should have been rejected by his rejecting_father"));
}).catch(function(error) {
if (error.message == "Rejected by the father") {
done();
} else {
done(new Error("But it didn't - it returned `" + error + "but should have returned \"Rejected by the father\""));
}
})
});
it("should use parent's is_proper_value when not having its own", function(done) {
hesitant_daughter.is_proper_value(new Sealious.Context(), {}, "any")
.then(function() {
done(new Error("But it accepted value, which should have been rejected by rejecting_father"));
}).catch(function(error) {
if (error.message == "Rejected by the father") {
done();
} else {
done(new Error("But it didn't"));
}
});
});
it("should use child's .encode method when a child has it's own encode method", function(done) {
accepting_son.encode(new Sealious.Context(), {}, "anything")
.then(function(encoded_value) {
if (encoded_value == "from_son") {
done();
} else {
done(new Error("But it didn't"));
}
});
});
it("should use parent's .encode method when a child does not have it's own", function(done) {
hesitant_daughter.encode(new Sealious.Context(), {}, "anything")
.then(function(encoded_value) {
if (encoded_value == "from_father") {
done();
} else {
done(new Error("But it didn't"));
}
})
});
it("should use child's .decode method when a child has it's own decode method", function(done) {
accepting_son.decode("anything")
.then(function(decoded_value) {
if (decoded_value == "from_son") {
done();
} else {
done(new Error("But it didn't"));
}
});
});
it("should use parent's .decode method when a child does not have it's own", function(done) {
hesitant_daughter.decode("anything")
.then(function(decoded_value) {
if (decoded_value == "from_father") {
done();
} else {
done(new Error("But it didn't"));
}
})
});
it("should use child's .get_description method when a child has it's own .get_description method", function(done) {
accepting_son.get_description()
.then(function(description) {
if (description.summary == "from_son") {
done();
} else {
done(new Error("But it didn't"));
}
});
});
it("should use parent's .get_description method when a child does not have it's own", function(done) {
hesitant_daughter.get_description()
.then(function(description) {
if (description.summary == "from_father") {
done();
} else {
done(new Error("But it didn't"));
}
})
});
});
});
}
}

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