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51 lines
1.3 KiB
51 lines
1.3 KiB
// Copyright 2015 The Prometheus Authors |
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// Licensed under the Apache License, Version 2.0 (the "License"); |
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// you may not use this file except in compliance with the License. |
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// You may obtain a copy of the License at |
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// |
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// http://www.apache.org/licenses/LICENSE-2.0 |
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// |
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// Unless required by applicable law or agreed to in writing, software |
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// distributed under the License is distributed on an "AS IS" BASIS, |
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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// See the License for the specific language governing permissions and |
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// limitations under the License. |
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package promql |
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import ( |
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"testing" |
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) |
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func TestExprString(t *testing.T) { |
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// A list of valid expressions that are expected to be |
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// returned as out when calling String(). If out is empty the output |
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// is expected to equal the input. |
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inputs := []struct { |
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in, out string |
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}{ |
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{ |
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in: `sum(task:errors:rate10s{job="s"}) BY (code)`, |
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}, |
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{ |
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in: `sum(task:errors:rate10s{job="s"}) BY (code) KEEP_COMMON`, |
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}, |
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{ |
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in: `up > BOOL 0`, |
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}, |
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} |
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for _, test := range inputs { |
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expr, err := ParseExpr(test.in) |
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if err != nil { |
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t.Fatalf("parsing error for %q: %s", test.in, err) |
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} |
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exp := test.in |
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if test.out != "" { |
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exp = test.out |
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} |
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if expr.String() != exp { |
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t.Fatalf("expected %q to be returned as:\n%s\ngot:\n%s\n", test.in, exp, expr.String()) |
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} |
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} |
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}
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