warkanum
495a21b67b
Implements tests/_plans and previously deferred packages; updates plan README with new coverage numbers.
49 lines
1.2 KiB
Go
49 lines
1.2 KiB
Go
package template
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import (
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"errors"
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"strings"
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"testing"
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)
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func TestTemplateError(t *testing.T) {
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cause := errors.New("boom")
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tests := []struct {
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name string
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err *TemplateError
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phase string
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}{
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{"load", NewTemplateLoadError("cannot read", cause), "load"},
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{"parse", NewTemplateParseError("bad syntax", cause), "parse"},
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{"execute", NewTemplateExecuteError("failed render", cause), "execute"},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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if tt.err.Phase != tt.phase {
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t.Errorf("phase = %q", tt.err.Phase)
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}
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msg := tt.err.Error()
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if !strings.Contains(msg, "template "+tt.phase+" error") || !strings.Contains(msg, "boom") {
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t.Errorf("message = %q", msg)
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}
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if !errors.Is(tt.err, cause) {
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t.Error("errors.Is must reach cause")
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}
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var te *TemplateError
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if !errors.As(error(tt.err), &te) || te != tt.err {
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t.Error("errors.As failed")
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}
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})
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}
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}
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func TestTemplateErrorWithoutCause(t *testing.T) {
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e := NewTemplateParseError("only message", nil)
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if got := e.Error(); got != "template parse error: only message" {
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t.Errorf("got %q", got)
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}
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if e.Unwrap() != nil {
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t.Error("Unwrap must be nil")
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}
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}
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